CN112076316B - 一种双抗体组合物及在制备covid-19治疗药物中的应用 - Google Patents
一种双抗体组合物及在制备covid-19治疗药物中的应用 Download PDFInfo
- Publication number
- CN112076316B CN112076316B CN202010998661.3A CN202010998661A CN112076316B CN 112076316 B CN112076316 B CN 112076316B CN 202010998661 A CN202010998661 A CN 202010998661A CN 112076316 B CN112076316 B CN 112076316B
- Authority
- CN
- China
- Prior art keywords
- protein
- antibody
- cov
- sars
- ser
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 38
- 208000025721 COVID-19 Diseases 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title description 5
- 229940126585 therapeutic drug Drugs 0.000 title description 5
- 102100031673 Corneodesmosin Human genes 0.000 claims abstract description 79
- 101710139375 Corneodesmosin Proteins 0.000 claims abstract description 79
- 230000027455 binding Effects 0.000 claims abstract description 73
- 241001678559 COVID-19 virus Species 0.000 claims abstract description 66
- 108020003175 receptors Proteins 0.000 claims abstract description 47
- 102000005962 receptors Human genes 0.000 claims abstract description 47
- 238000000034 method Methods 0.000 claims abstract description 18
- 239000003814 drug Substances 0.000 claims abstract description 8
- 238000011282 treatment Methods 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000011321 prophylaxis Methods 0.000 claims description 2
- 125000003275 alpha amino acid group Chemical group 0.000 claims 14
- 230000003472 neutralizing effect Effects 0.000 abstract description 24
- 230000002195 synergetic effect Effects 0.000 abstract description 16
- 241000711573 Coronaviridae Species 0.000 abstract description 15
- 108090000623 proteins and genes Proteins 0.000 abstract description 8
- 102000004169 proteins and genes Human genes 0.000 abstract description 7
- 150000001413 amino acids Chemical group 0.000 description 29
- 210000004027 cell Anatomy 0.000 description 25
- 241000700605 Viruses Species 0.000 description 22
- 241000282414 Homo sapiens Species 0.000 description 15
- 230000000694 effects Effects 0.000 description 12
- 201000003176 Severe Acute Respiratory Syndrome Diseases 0.000 description 11
- 238000004458 analytical method Methods 0.000 description 11
- 102100035765 Angiotensin-converting enzyme 2 Human genes 0.000 description 9
- 108090000975 Angiotensin-converting enzyme 2 Proteins 0.000 description 9
- 239000000427 antigen Substances 0.000 description 9
- 108091007433 antigens Proteins 0.000 description 9
- 102000036639 antigens Human genes 0.000 description 9
- 238000003556 assay Methods 0.000 description 8
- 238000010790 dilution Methods 0.000 description 8
- 239000012895 dilution Substances 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 8
- 241001112090 Pseudovirus Species 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 230000005764 inhibitory process Effects 0.000 description 7
- 238000006386 neutralization reaction Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 6
- 238000011534 incubation Methods 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- 239000006144 Dulbecco’s modified Eagle's medium Substances 0.000 description 5
- 101001028244 Onchocerca volvulus Fatty-acid and retinol-binding protein 1 Proteins 0.000 description 5
- 229940096437 Protein S Drugs 0.000 description 5
- 239000000872 buffer Substances 0.000 description 5
- 238000004113 cell culture Methods 0.000 description 5
- 230000001413 cellular effect Effects 0.000 description 5
- 238000011161 development Methods 0.000 description 5
- 208000015181 infectious disease Diseases 0.000 description 5
- 230000009545 invasion Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000002609 medium Substances 0.000 description 5
- 241000315672 SARS coronavirus Species 0.000 description 4
- 108091005634 SARS-CoV-2 receptor-binding domains Proteins 0.000 description 4
- 101710198474 Spike protein Proteins 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 4
- 230000002860 competitive effect Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 108091033319 polynucleotide Proteins 0.000 description 4
- 102000040430 polynucleotide Human genes 0.000 description 4
- 239000002157 polynucleotide Substances 0.000 description 4
- 238000002415 sodium dodecyl sulfate polyacrylamide gel electrophoresis Methods 0.000 description 4
- MNQMTYSEKZHIDF-GCJQMDKQSA-N Asp-Thr-Ala Chemical compound [H]N[C@@H](CC(O)=O)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](C)C(O)=O MNQMTYSEKZHIDF-GCJQMDKQSA-N 0.000 description 3
- 108091006146 Channels Proteins 0.000 description 3
- 102000029301 Protein S Human genes 0.000 description 3
- UIGMAMGZOJVTDN-WHFBIAKZSA-N Ser-Gly-Ser Chemical compound OC[C@H](N)C(=O)NCC(=O)N[C@@H](CO)C(O)=O UIGMAMGZOJVTDN-WHFBIAKZSA-N 0.000 description 3
- HNDMFDBQXYZSRM-IHRRRGAJSA-N Ser-Val-Phe Chemical compound [H]N[C@@H](CO)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CC1=CC=CC=C1)C(O)=O HNDMFDBQXYZSRM-IHRRRGAJSA-N 0.000 description 3
- OWFGFHQMSBTKLX-UFYCRDLUSA-N Val-Tyr-Tyr Chemical compound CC(C)[C@@H](C(=O)N[C@@H](CC1=CC=C(C=C1)O)C(=O)N[C@@H](CC2=CC=C(C=C2)O)C(=O)O)N OWFGFHQMSBTKLX-UFYCRDLUSA-N 0.000 description 3
- 239000007853 buffer solution Substances 0.000 description 3
- 238000010494 dissociation reaction Methods 0.000 description 3
- 230000005593 dissociations Effects 0.000 description 3
- 231100000673 dose–response relationship Toxicity 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
- 238000001962 electrophoresis Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 108010089804 glycyl-threonine Proteins 0.000 description 3
- 108010050848 glycylleucine Proteins 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 230000009870 specific binding Effects 0.000 description 3
- 238000002560 therapeutic procedure Methods 0.000 description 3
- YBJHBAHKTGYVGT-ZKWXMUAHSA-N (+)-Biotin Chemical compound N1C(=O)N[C@@H]2[C@H](CCCCC(=O)O)SC[C@@H]21 YBJHBAHKTGYVGT-ZKWXMUAHSA-N 0.000 description 2
- ARHJJAAWNWOACN-FXQIFTODSA-N Ala-Ser-Val Chemical compound [H]N[C@@H](C)C(=O)N[C@@H](CO)C(=O)N[C@@H](C(C)C)C(O)=O ARHJJAAWNWOACN-FXQIFTODSA-N 0.000 description 2
- 102100030988 Angiotensin-converting enzyme Human genes 0.000 description 2
- 101710185050 Angiotensin-converting enzyme Proteins 0.000 description 2
- 208000035473 Communicable disease Diseases 0.000 description 2
- OHLLDUNVMPPUMD-DCAQKATOSA-N Cys-Leu-Val Chemical compound CC(C)C[C@@H](C(=O)N[C@@H](C(C)C)C(=O)O)NC(=O)[C@H](CS)N OHLLDUNVMPPUMD-DCAQKATOSA-N 0.000 description 2
- OYTPNWYZORARHL-XHNCKOQMSA-N Gln-Ala-Pro Chemical compound C[C@@H](C(=O)N1CCC[C@@H]1C(=O)O)NC(=O)[C@H](CCC(=O)N)N OYTPNWYZORARHL-XHNCKOQMSA-N 0.000 description 2
- YQPFCZVKMUVZIN-AUTRQRHGSA-N Glu-Val-Gln Chemical compound [H]N[C@@H](CCC(O)=O)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CCC(N)=O)C(O)=O YQPFCZVKMUVZIN-AUTRQRHGSA-N 0.000 description 2
- ZYRXTRTUCAVNBQ-GVXVVHGQSA-N Glu-Val-Lys Chemical compound CC(C)[C@@H](C(=O)N[C@@H](CCCCN)C(=O)O)NC(=O)[C@H](CCC(=O)O)N ZYRXTRTUCAVNBQ-GVXVVHGQSA-N 0.000 description 2
- BYYNJRSNDARRBX-YFKPBYRVSA-N Gly-Gln-Gly Chemical compound NCC(=O)N[C@@H](CCC(N)=O)C(=O)NCC(O)=O BYYNJRSNDARRBX-YFKPBYRVSA-N 0.000 description 2
- UQJNXZSSGQIPIQ-FBCQKBJTSA-N Gly-Gly-Thr Chemical compound C[C@@H](O)[C@@H](C(O)=O)NC(=O)CNC(=O)CN UQJNXZSSGQIPIQ-FBCQKBJTSA-N 0.000 description 2
- PDUHNKAFQXQNLH-ZETCQYMHSA-N Gly-Lys-Gly Chemical compound NCCCC[C@H](NC(=O)CN)C(=O)NCC(O)=O PDUHNKAFQXQNLH-ZETCQYMHSA-N 0.000 description 2
- SYOJVRNQCXYEOV-XVKPBYJWSA-N Gly-Val-Glu Chemical compound [H]NCC(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CCC(O)=O)C(O)=O SYOJVRNQCXYEOV-XVKPBYJWSA-N 0.000 description 2
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 description 2
- PMGDADKJMCOXHX-UHFFFAOYSA-N L-Arginyl-L-glutamin-acetat Natural products NC(=N)NCCCC(N)C(=O)NC(CCC(N)=O)C(O)=O PMGDADKJMCOXHX-UHFFFAOYSA-N 0.000 description 2
- 241000880493 Leptailurus serval Species 0.000 description 2
- FEHQLKKBVJHSEC-SZMVWBNQSA-N Leu-Glu-Trp Chemical compound C1=CC=C2C(C[C@H](NC(=O)[C@H](CCC(O)=O)NC(=O)[C@@H](N)CC(C)C)C(O)=O)=CNC2=C1 FEHQLKKBVJHSEC-SZMVWBNQSA-N 0.000 description 2
- BRTVHXHCUSXYRI-CIUDSAMLSA-N Leu-Ser-Ser Chemical compound CC(C)C[C@H](N)C(=O)N[C@@H](CO)C(=O)N[C@@H](CO)C(O)=O BRTVHXHCUSXYRI-CIUDSAMLSA-N 0.000 description 2
- VUBIPAHVHMZHCM-KKUMJFAQSA-N Leu-Tyr-Ser Chemical compound CC(C)C[C@H](N)C(=O)N[C@H](C(=O)N[C@@H](CO)C(O)=O)CC1=CC=C(O)C=C1 VUBIPAHVHMZHCM-KKUMJFAQSA-N 0.000 description 2
- AIMGJYMCTAABEN-GVXVVHGQSA-N Leu-Val-Glu Chemical compound [H]N[C@@H](CC(C)C)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CCC(O)=O)C(O)=O AIMGJYMCTAABEN-GVXVVHGQSA-N 0.000 description 2
- OIQSIMFSVLLWBX-VOAKCMCISA-N Lys-Leu-Thr Chemical compound [H]N[C@@H](CCCCN)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H]([C@@H](C)O)C(O)=O OIQSIMFSVLLWBX-VOAKCMCISA-N 0.000 description 2
- QLFAPXUXEBAWEK-NHCYSSNCSA-N Lys-Val-Asp Chemical compound [H]N[C@@H](CCCCN)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CC(O)=O)C(O)=O QLFAPXUXEBAWEK-NHCYSSNCSA-N 0.000 description 2
- GILLQRYAWOMHED-DCAQKATOSA-N Lys-Val-Ser Chemical compound OC[C@@H](C(O)=O)NC(=O)[C@H](C(C)C)NC(=O)[C@@H](N)CCCCN GILLQRYAWOMHED-DCAQKATOSA-N 0.000 description 2
- CGBYDGAJHSOGFQ-LPEHRKFASA-N Pro-Ala-Pro Chemical compound C[C@@H](C(=O)N1CCC[C@@H]1C(=O)O)NC(=O)[C@@H]2CCCN2 CGBYDGAJHSOGFQ-LPEHRKFASA-N 0.000 description 2
- JMVQDLDPDBXAAX-YUMQZZPRSA-N Pro-Gly-Gln Chemical compound NC(=O)CC[C@@H](C(O)=O)NC(=O)CNC(=O)[C@@H]1CCCN1 JMVQDLDPDBXAAX-YUMQZZPRSA-N 0.000 description 2
- YDTUEBLEAVANFH-RCWTZXSCSA-N Pro-Val-Thr Chemical compound C[C@@H](O)[C@@H](C(O)=O)NC(=O)[C@H](C(C)C)NC(=O)[C@@H]1CCCN1 YDTUEBLEAVANFH-RCWTZXSCSA-N 0.000 description 2
- 208000037847 SARS-CoV-2-infection Diseases 0.000 description 2
- QEDMOZUJTGEIBF-FXQIFTODSA-N Ser-Arg-Asp Chemical compound [H]N[C@@H](CO)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC(O)=O)C(O)=O QEDMOZUJTGEIBF-FXQIFTODSA-N 0.000 description 2
- XXXAXOWMBOKTRN-XPUUQOCRSA-N Ser-Gly-Val Chemical compound [H]N[C@@H](CO)C(=O)NCC(=O)N[C@@H](C(C)C)C(O)=O XXXAXOWMBOKTRN-XPUUQOCRSA-N 0.000 description 2
- MUJQWSAWLLRJCE-KATARQTJSA-N Ser-Leu-Thr Chemical compound [H]N[C@@H](CO)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H]([C@@H](C)O)C(O)=O MUJQWSAWLLRJCE-KATARQTJSA-N 0.000 description 2
- BMKNXTJLHFIAAH-CIUDSAMLSA-N Ser-Ser-Leu Chemical compound [H]N[C@@H](CO)C(=O)N[C@@H](CO)C(=O)N[C@@H](CC(C)C)C(O)=O BMKNXTJLHFIAAH-CIUDSAMLSA-N 0.000 description 2
- 101710137302 Surface antigen S Proteins 0.000 description 2
- LECUEEHKUFYOOV-ZJDVBMNYSA-N Thr-Thr-Val Chemical compound CC(C)[C@@H](C(O)=O)NC(=O)[C@H]([C@@H](C)O)NC(=O)[C@@H](N)[C@@H](C)O LECUEEHKUFYOOV-ZJDVBMNYSA-N 0.000 description 2
- MNYNCKZAEIAONY-XGEHTFHBSA-N Thr-Val-Ser Chemical compound C[C@@H](O)[C@H](N)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CO)C(O)=O MNYNCKZAEIAONY-XGEHTFHBSA-N 0.000 description 2
- MBLJBGZWLHTJBH-SZMVWBNQSA-N Trp-Val-Arg Chemical compound C1=CC=C2C(C[C@H](N)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CCCN=C(N)N)C(O)=O)=CNC2=C1 MBLJBGZWLHTJBH-SZMVWBNQSA-N 0.000 description 2
- 108010003533 Viral Envelope Proteins Proteins 0.000 description 2
- 108010008685 alanyl-glutamyl-aspartic acid Proteins 0.000 description 2
- 108010069020 alanyl-prolyl-glycine Proteins 0.000 description 2
- 108010008355 arginyl-glutamine Proteins 0.000 description 2
- 108010047857 aspartylglycine Proteins 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000009137 competitive binding Effects 0.000 description 2
- 239000012228 culture supernatant Substances 0.000 description 2
- UQLDLKMNUJERMK-UHFFFAOYSA-L di(octadecanoyloxy)lead Chemical compound [Pb+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O UQLDLKMNUJERMK-UHFFFAOYSA-L 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000013210 evaluation model Methods 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 108010063718 gamma-glutamylaspartic acid Proteins 0.000 description 2
- 210000001035 gastrointestinal tract Anatomy 0.000 description 2
- XKUKSGPZAADMRA-UHFFFAOYSA-N glycyl-glycyl-glycine Natural products NCC(=O)NCC(=O)NCC(O)=O XKUKSGPZAADMRA-UHFFFAOYSA-N 0.000 description 2
- 230000031700 light absorption Effects 0.000 description 2
- 239000006210 lotion Substances 0.000 description 2
- 108010017391 lysylvaline Proteins 0.000 description 2
- 230000010807 negative regulation of binding Effects 0.000 description 2
- 230000036963 noncompetitive effect Effects 0.000 description 2
- 108010051242 phenylalanylserine Proteins 0.000 description 2
- 108010077112 prolyl-proline Proteins 0.000 description 2
- 108010031719 prolyl-serine Proteins 0.000 description 2
- 108010070643 prolylglutamic acid Proteins 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000000241 respiratory effect Effects 0.000 description 2
- 108010008595 sarcoma-associated antigen S1 Proteins 0.000 description 2
- 238000013207 serial dilution Methods 0.000 description 2
- 108010026333 seryl-proline Proteins 0.000 description 2
- 239000012192 staining solution Substances 0.000 description 2
- 238000007619 statistical method Methods 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 238000002198 surface plasmon resonance spectroscopy Methods 0.000 description 2
- 230000004083 survival effect Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000008685 targeting Effects 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 229960005486 vaccine Drugs 0.000 description 2
- 230000009385 viral infection Effects 0.000 description 2
- QZDDFQLIQRYMBV-UHFFFAOYSA-N 2-[3-nitro-2-(2-nitrophenyl)-4-oxochromen-8-yl]acetic acid Chemical compound OC(=O)CC1=CC=CC(C(C=2[N+]([O-])=O)=O)=C1OC=2C1=CC=CC=C1[N+]([O-])=O QZDDFQLIQRYMBV-UHFFFAOYSA-N 0.000 description 1
- JKMHFZQWWAIEOD-UHFFFAOYSA-N 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonic acid Chemical compound OCC[NH+]1CCN(CCS([O-])(=O)=O)CC1 JKMHFZQWWAIEOD-UHFFFAOYSA-N 0.000 description 1
- CXRCVCURMBFFOL-FXQIFTODSA-N Ala-Ala-Pro Chemical compound C[C@H](N)C(=O)N[C@@H](C)C(=O)N1CCC[C@H]1C(O)=O CXRCVCURMBFFOL-FXQIFTODSA-N 0.000 description 1
- YYSWCHMLFJLLBJ-ZLUOBGJFSA-N Ala-Ala-Ser Chemical compound C[C@H](N)C(=O)N[C@@H](C)C(=O)N[C@@H](CO)C(O)=O YYSWCHMLFJLLBJ-ZLUOBGJFSA-N 0.000 description 1
- BUDNAJYVCUHLSV-ZLUOBGJFSA-N Ala-Asp-Ser Chemical compound C[C@H](N)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CO)C(O)=O BUDNAJYVCUHLSV-ZLUOBGJFSA-N 0.000 description 1
- KUDREHRZRIVKHS-UWJYBYFXSA-N Ala-Asp-Tyr Chemical compound [H]N[C@@H](C)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CC1=CC=C(O)C=C1)C(O)=O KUDREHRZRIVKHS-UWJYBYFXSA-N 0.000 description 1
- AWAXZRDKUHOPBO-GUBZILKMSA-N Ala-Gln-Lys Chemical compound C[C@H](N)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCCCN)C(O)=O AWAXZRDKUHOPBO-GUBZILKMSA-N 0.000 description 1
- OBVSBEYOMDWLRJ-BFHQHQDPSA-N Ala-Gly-Thr Chemical compound C[C@@H](O)[C@@H](C(O)=O)NC(=O)CNC(=O)[C@H](C)N OBVSBEYOMDWLRJ-BFHQHQDPSA-N 0.000 description 1
- MNZHHDPWDWQJCQ-YUMQZZPRSA-N Ala-Leu-Gly Chemical compound C[C@H](N)C(=O)N[C@@H](CC(C)C)C(=O)NCC(O)=O MNZHHDPWDWQJCQ-YUMQZZPRSA-N 0.000 description 1
- DPNZTBKGAUAZQU-DLOVCJGASA-N Ala-Leu-His Chemical compound C[C@@H](C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC1=CN=CN1)C(=O)O)N DPNZTBKGAUAZQU-DLOVCJGASA-N 0.000 description 1
- MEFILNJXAVSUTO-JXUBOQSCSA-N Ala-Leu-Thr Chemical compound C[C@H](N)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H]([C@@H](C)O)C(O)=O MEFILNJXAVSUTO-JXUBOQSCSA-N 0.000 description 1
- SDZRIBWEVVRDQI-CIUDSAMLSA-N Ala-Lys-Asp Chemical compound [H]N[C@@H](C)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(O)=O)C(O)=O SDZRIBWEVVRDQI-CIUDSAMLSA-N 0.000 description 1
- OINVDEKBKBCPLX-JXUBOQSCSA-N Ala-Lys-Thr Chemical compound [H]N[C@@H](C)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H]([C@@H](C)O)C(O)=O OINVDEKBKBCPLX-JXUBOQSCSA-N 0.000 description 1
- MDNAVFBZPROEHO-UHFFFAOYSA-N Ala-Lys-Val Natural products CC(C)C(C(O)=O)NC(=O)C(NC(=O)C(C)N)CCCCN MDNAVFBZPROEHO-UHFFFAOYSA-N 0.000 description 1
- AWNAEZICPNGAJK-FXQIFTODSA-N Ala-Met-Ser Chemical compound [H]N[C@@H](C)C(=O)N[C@@H](CCSC)C(=O)N[C@@H](CO)C(O)=O AWNAEZICPNGAJK-FXQIFTODSA-N 0.000 description 1
- BTRULDJUUVGRNE-DCAQKATOSA-N Ala-Pro-Lys Chemical compound C[C@H](N)C(=O)N1CCC[C@H]1C(=O)N[C@@H](CCCCN)C(O)=O BTRULDJUUVGRNE-DCAQKATOSA-N 0.000 description 1
- NCQMBSJGJMYKCK-ZLUOBGJFSA-N Ala-Ser-Ser Chemical compound [H]N[C@@H](C)C(=O)N[C@@H](CO)C(=O)N[C@@H](CO)C(O)=O NCQMBSJGJMYKCK-ZLUOBGJFSA-N 0.000 description 1
- WQKAQKZRDIZYNV-VZFHVOOUSA-N Ala-Ser-Thr Chemical compound [H]N[C@@H](C)C(=O)N[C@@H](CO)C(=O)N[C@@H]([C@@H](C)O)C(O)=O WQKAQKZRDIZYNV-VZFHVOOUSA-N 0.000 description 1
- KTXKIYXZQFWJKB-VZFHVOOUSA-N Ala-Thr-Ser Chemical compound [H]N[C@@H](C)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CO)C(O)=O KTXKIYXZQFWJKB-VZFHVOOUSA-N 0.000 description 1
- 102100022749 Aminopeptidase N Human genes 0.000 description 1
- 108090000915 Aminopeptidases Proteins 0.000 description 1
- 102000004400 Aminopeptidases Human genes 0.000 description 1
- VKKYFICVTYKFIO-CIUDSAMLSA-N Arg-Ala-Glu Chemical compound OC(=O)CC[C@@H](C(O)=O)NC(=O)[C@H](C)NC(=O)[C@@H](N)CCCN=C(N)N VKKYFICVTYKFIO-CIUDSAMLSA-N 0.000 description 1
- ISJWBVIYRBAXEB-CIUDSAMLSA-N Arg-Ser-Glu Chemical compound [H]N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCC(O)=O)C(O)=O ISJWBVIYRBAXEB-CIUDSAMLSA-N 0.000 description 1
- ZJBUILVYSXQNSW-YTWAJWBKSA-N Arg-Thr-Pro Chemical compound C[C@H]([C@@H](C(=O)N1CCC[C@@H]1C(=O)O)NC(=O)[C@H](CCCN=C(N)N)N)O ZJBUILVYSXQNSW-YTWAJWBKSA-N 0.000 description 1
- XRNXPIGJPQHCPC-RCWTZXSCSA-N Arg-Thr-Val Chemical compound CC(C)[C@H](NC(=O)[C@@H](NC(=O)[C@@H](N)CCCNC(N)=N)[C@@H](C)O)C(O)=O XRNXPIGJPQHCPC-RCWTZXSCSA-N 0.000 description 1
- XYOVHPDDWCEUDY-CIUDSAMLSA-N Asn-Ala-Leu Chemical compound [H]N[C@@H](CC(N)=O)C(=O)N[C@@H](C)C(=O)N[C@@H](CC(C)C)C(O)=O XYOVHPDDWCEUDY-CIUDSAMLSA-N 0.000 description 1
- GXMSVVBIAMWMKO-BQBZGAKWSA-N Asn-Arg-Gly Chemical compound NC(=O)C[C@H](N)C(=O)N[C@H](C(=O)NCC(O)=O)CCCN=C(N)N GXMSVVBIAMWMKO-BQBZGAKWSA-N 0.000 description 1
- HUZGPXBILPMCHM-IHRRRGAJSA-N Asn-Arg-Phe Chemical compound [H]N[C@@H](CC(N)=O)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC1=CC=CC=C1)C(O)=O HUZGPXBILPMCHM-IHRRRGAJSA-N 0.000 description 1
- SRUUBQBAVNQZGJ-LAEOZQHASA-N Asn-Gln-Val Chemical compound CC(C)[C@@H](C(=O)O)NC(=O)[C@H](CCC(=O)N)NC(=O)[C@H](CC(=O)N)N SRUUBQBAVNQZGJ-LAEOZQHASA-N 0.000 description 1
- WQLJRNRLHWJIRW-KKUMJFAQSA-N Asn-His-Tyr Chemical compound C1=CC(=CC=C1C[C@@H](C(=O)O)NC(=O)[C@H](CC2=CN=CN2)NC(=O)[C@H](CC(=O)N)N)O WQLJRNRLHWJIRW-KKUMJFAQSA-N 0.000 description 1
- HPBNLFLSSQDFQW-WHFBIAKZSA-N Asn-Ser-Gly Chemical compound NC(=O)C[C@H](N)C(=O)N[C@@H](CO)C(=O)NCC(O)=O HPBNLFLSSQDFQW-WHFBIAKZSA-N 0.000 description 1
- MKJBPDLENBUHQU-CIUDSAMLSA-N Asn-Ser-Leu Chemical compound [H]N[C@@H](CC(N)=O)C(=O)N[C@@H](CO)C(=O)N[C@@H](CC(C)C)C(O)=O MKJBPDLENBUHQU-CIUDSAMLSA-N 0.000 description 1
- UGXYFDQFLVCDFC-CIUDSAMLSA-N Asn-Ser-Lys Chemical compound NCCCC[C@@H](C(O)=O)NC(=O)[C@H](CO)NC(=O)[C@@H](N)CC(N)=O UGXYFDQFLVCDFC-CIUDSAMLSA-N 0.000 description 1
- HNXWVVHIGTZTBO-LKXGYXEUSA-N Asn-Ser-Thr Chemical compound C[C@@H](O)[C@@H](C(O)=O)NC(=O)[C@H](CO)NC(=O)[C@@H](N)CC(N)=O HNXWVVHIGTZTBO-LKXGYXEUSA-N 0.000 description 1
- WLVLIYYBPPONRJ-GCJQMDKQSA-N Asn-Thr-Ala Chemical compound [H]N[C@@H](CC(N)=O)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](C)C(O)=O WLVLIYYBPPONRJ-GCJQMDKQSA-N 0.000 description 1
- JBDLMLZNDRLDIX-HJGDQZAQSA-N Asn-Thr-Leu Chemical compound [H]N[C@@H](CC(N)=O)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CC(C)C)C(O)=O JBDLMLZNDRLDIX-HJGDQZAQSA-N 0.000 description 1
- QNNBHTFDFFFHGC-KKUMJFAQSA-N Asn-Tyr-Lys Chemical compound C1=CC(=CC=C1C[C@@H](C(=O)N[C@@H](CCCCN)C(=O)O)NC(=O)[C@H](CC(=O)N)N)O QNNBHTFDFFFHGC-KKUMJFAQSA-N 0.000 description 1
- MJIJBEYEHBKTIM-BYULHYEWSA-N Asn-Val-Asn Chemical compound CC(C)[C@@H](C(=O)N[C@@H](CC(=O)N)C(=O)O)NC(=O)[C@H](CC(=O)N)N MJIJBEYEHBKTIM-BYULHYEWSA-N 0.000 description 1
- MRQQMVZUHXUPEV-IHRRRGAJSA-N Asp-Arg-Phe Chemical compound [H]N[C@@H](CC(O)=O)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC1=CC=CC=C1)C(O)=O MRQQMVZUHXUPEV-IHRRRGAJSA-N 0.000 description 1
- VAWNQIGQPUOPQW-ACZMJKKPSA-N Asp-Glu-Ala Chemical compound [H]N[C@@H](CC(O)=O)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](C)C(O)=O VAWNQIGQPUOPQW-ACZMJKKPSA-N 0.000 description 1
- JUWZKMBALYLZCK-WHFBIAKZSA-N Asp-Gly-Asn Chemical compound OC(=O)C[C@H](N)C(=O)NCC(=O)N[C@@H](CC(N)=O)C(O)=O JUWZKMBALYLZCK-WHFBIAKZSA-N 0.000 description 1
- VIRHEUMYXXLCBF-WDSKDSINSA-N Asp-Gly-Glu Chemical compound [H]N[C@@H](CC(O)=O)C(=O)NCC(=O)N[C@@H](CCC(O)=O)C(O)=O VIRHEUMYXXLCBF-WDSKDSINSA-N 0.000 description 1
- AHWRSSLYSGLBGD-CIUDSAMLSA-N Asp-Pro-Glu Chemical compound OC(=O)C[C@H](N)C(=O)N1CCC[C@H]1C(=O)N[C@@H](CCC(O)=O)C(O)=O AHWRSSLYSGLBGD-CIUDSAMLSA-N 0.000 description 1
- CUQDCPXNZPDYFQ-ZLUOBGJFSA-N Asp-Ser-Asp Chemical compound [H]N[C@@H](CC(O)=O)C(=O)N[C@@H](CO)C(=O)N[C@@H](CC(O)=O)C(O)=O CUQDCPXNZPDYFQ-ZLUOBGJFSA-N 0.000 description 1
- MGSVBZIBCCKGCY-ZLUOBGJFSA-N Asp-Ser-Ser Chemical compound [H]N[C@@H](CC(O)=O)C(=O)N[C@@H](CO)C(=O)N[C@@H](CO)C(O)=O MGSVBZIBCCKGCY-ZLUOBGJFSA-N 0.000 description 1
- JSNWZMFSLIWAHS-HJGDQZAQSA-N Asp-Thr-Leu Chemical compound C[C@H]([C@@H](C(=O)N[C@@H](CC(C)C)C(=O)O)NC(=O)[C@H](CC(=O)O)N)O JSNWZMFSLIWAHS-HJGDQZAQSA-N 0.000 description 1
- AWPWHMVCSISSQK-QWRGUYRKSA-N Asp-Tyr-Gly Chemical compound [H]N[C@@H](CC(O)=O)C(=O)N[C@@H](CC1=CC=C(O)C=C1)C(=O)NCC(O)=O AWPWHMVCSISSQK-QWRGUYRKSA-N 0.000 description 1
- ALMIMUZAWTUNIO-BZSNNMDCSA-N Asp-Tyr-Tyr Chemical compound [H]N[C@@H](CC(O)=O)C(=O)N[C@@H](CC1=CC=C(O)C=C1)C(=O)N[C@@H](CC1=CC=C(O)C=C1)C(O)=O ALMIMUZAWTUNIO-BZSNNMDCSA-N 0.000 description 1
- BYLPQJAWXJWUCJ-YDHLFZDLSA-N Asp-Tyr-Val Chemical compound [H]N[C@@H](CC(O)=O)C(=O)N[C@@H](CC1=CC=C(O)C=C1)C(=O)N[C@@H](C(C)C)C(O)=O BYLPQJAWXJWUCJ-YDHLFZDLSA-N 0.000 description 1
- XWKPSMRPIKKDDU-RCOVLWMOSA-N Asp-Val-Gly Chemical compound [H]N[C@@H](CC(O)=O)C(=O)N[C@@H](C(C)C)C(=O)NCC(O)=O XWKPSMRPIKKDDU-RCOVLWMOSA-N 0.000 description 1
- GYNUXDMCDILYIQ-QRTARXTBSA-N Asp-Val-Trp Chemical compound CC(C)[C@@H](C(=O)N[C@@H](CC1=CNC2=CC=CC=C21)C(=O)O)NC(=O)[C@H](CC(=O)O)N GYNUXDMCDILYIQ-QRTARXTBSA-N 0.000 description 1
- 108010049990 CD13 Antigens Proteins 0.000 description 1
- 108010001857 Cell Surface Receptors Proteins 0.000 description 1
- 102000000844 Cell Surface Receptors Human genes 0.000 description 1
- 108010061994 Coronavirus Spike Glycoprotein Proteins 0.000 description 1
- GEEXORWTBTUOHC-FXQIFTODSA-N Cys-Arg-Ser Chemical compound C(C[C@@H](C(=O)N[C@@H](CO)C(=O)O)NC(=O)[C@H](CS)N)CN=C(N)N GEEXORWTBTUOHC-FXQIFTODSA-N 0.000 description 1
- YMBAVNPKBWHDAW-CIUDSAMLSA-N Cys-Asp-Lys Chemical compound C(CCN)C[C@@H](C(=O)O)NC(=O)[C@H](CC(=O)O)NC(=O)[C@H](CS)N YMBAVNPKBWHDAW-CIUDSAMLSA-N 0.000 description 1
- ATPDEYTYWVMINF-ZLUOBGJFSA-N Cys-Cys-Ser Chemical compound [H]N[C@@H](CS)C(=O)N[C@@H](CS)C(=O)N[C@@H](CO)C(O)=O ATPDEYTYWVMINF-ZLUOBGJFSA-N 0.000 description 1
- SFRQEQGPRTVDPO-NRPADANISA-N Cys-Gln-Val Chemical compound [H]N[C@@H](CS)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](C(C)C)C(O)=O SFRQEQGPRTVDPO-NRPADANISA-N 0.000 description 1
- VIRYODQIWJNWNU-NRPADANISA-N Cys-Glu-Val Chemical compound CC(C)[C@@H](C(=O)O)NC(=O)[C@H](CCC(=O)O)NC(=O)[C@H](CS)N VIRYODQIWJNWNU-NRPADANISA-N 0.000 description 1
- KSMSFCBQBQPFAD-GUBZILKMSA-N Cys-Pro-Pro Chemical compound SC[C@H](N)C(=O)N1CCC[C@H]1C(=O)N1[C@H](C(O)=O)CCC1 KSMSFCBQBQPFAD-GUBZILKMSA-N 0.000 description 1
- NDNZRWUDUMTITL-FXQIFTODSA-N Cys-Ser-Val Chemical compound [H]N[C@@H](CS)C(=O)N[C@@H](CO)C(=O)N[C@@H](C(C)C)C(O)=O NDNZRWUDUMTITL-FXQIFTODSA-N 0.000 description 1
- MWVDDZUTWXFYHL-XKBZYTNZSA-N Cys-Thr-Gln Chemical compound C[C@H]([C@@H](C(=O)N[C@@H](CCC(=O)N)C(=O)O)NC(=O)[C@H](CS)N)O MWVDDZUTWXFYHL-XKBZYTNZSA-N 0.000 description 1
- 238000002965 ELISA Methods 0.000 description 1
- 238000012286 ELISA Assay Methods 0.000 description 1
- 201000011001 Ebola Hemorrhagic Fever Diseases 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- WUAYFMZULZDSLB-ACZMJKKPSA-N Gln-Ala-Asn Chemical compound NC(=O)C[C@@H](C(O)=O)NC(=O)[C@H](C)NC(=O)[C@@H](N)CCC(N)=O WUAYFMZULZDSLB-ACZMJKKPSA-N 0.000 description 1
- RZSLYUUFFVHFRQ-FXQIFTODSA-N Gln-Ala-Glu Chemical compound [H]N[C@@H](CCC(N)=O)C(=O)N[C@@H](C)C(=O)N[C@@H](CCC(O)=O)C(O)=O RZSLYUUFFVHFRQ-FXQIFTODSA-N 0.000 description 1
- NKCZYEDZTKOFBG-GUBZILKMSA-N Gln-Gln-Arg Chemical compound [H]N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCCNC(N)=N)C(O)=O NKCZYEDZTKOFBG-GUBZILKMSA-N 0.000 description 1
- NVEASDQHBRZPSU-BQBZGAKWSA-N Gln-Gln-Gly Chemical compound [H]N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCC(N)=O)C(=O)NCC(O)=O NVEASDQHBRZPSU-BQBZGAKWSA-N 0.000 description 1
- GPISLLFQNHELLK-DCAQKATOSA-N Gln-Gln-His Chemical compound C1=C(NC=N1)C[C@@H](C(=O)O)NC(=O)[C@H](CCC(=O)N)NC(=O)[C@H](CCC(=O)N)N GPISLLFQNHELLK-DCAQKATOSA-N 0.000 description 1
- IKFZXRLDMYWNBU-YUMQZZPRSA-N Gln-Gly-Arg Chemical compound NC(=O)CC[C@H](N)C(=O)NCC(=O)N[C@H](C(O)=O)CCCN=C(N)N IKFZXRLDMYWNBU-YUMQZZPRSA-N 0.000 description 1
- IULKWYSYZSURJK-AVGNSLFASA-N Gln-Leu-Lys Chemical compound NC(=O)CC[C@H](N)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCCN)C(O)=O IULKWYSYZSURJK-AVGNSLFASA-N 0.000 description 1
- ZEEPYMXTJWIMSN-GUBZILKMSA-N Gln-Lys-Ser Chemical compound NCCCC[C@@H](C(=O)N[C@@H](CO)C(O)=O)NC(=O)[C@@H](N)CCC(N)=O ZEEPYMXTJWIMSN-GUBZILKMSA-N 0.000 description 1
- FNAJNWPDTIXYJN-CIUDSAMLSA-N Gln-Pro-Ala Chemical compound OC(=O)[C@H](C)NC(=O)[C@@H]1CCCN1C(=O)[C@@H](N)CCC(N)=O FNAJNWPDTIXYJN-CIUDSAMLSA-N 0.000 description 1
- XUMFMAVDHQDATI-DCAQKATOSA-N Gln-Pro-Arg Chemical compound NC(=O)CC[C@H](N)C(=O)N1CCC[C@H]1C(=O)N[C@@H](CCCN=C(N)N)C(O)=O XUMFMAVDHQDATI-DCAQKATOSA-N 0.000 description 1
- HMIXCETWRYDVMO-GUBZILKMSA-N Gln-Pro-Glu Chemical compound [H]N[C@@H](CCC(N)=O)C(=O)N1CCC[C@H]1C(=O)N[C@@H](CCC(O)=O)C(O)=O HMIXCETWRYDVMO-GUBZILKMSA-N 0.000 description 1
- FQCILXROGNOZON-YUMQZZPRSA-N Gln-Pro-Gly Chemical compound NC(=O)CC[C@H](N)C(=O)N1CCC[C@H]1C(=O)NCC(O)=O FQCILXROGNOZON-YUMQZZPRSA-N 0.000 description 1
- KUBFPYIMAGXGBT-ACZMJKKPSA-N Gln-Ser-Ala Chemical compound [H]N[C@@H](CCC(N)=O)C(=O)N[C@@H](CO)C(=O)N[C@@H](C)C(O)=O KUBFPYIMAGXGBT-ACZMJKKPSA-N 0.000 description 1
- OKARHJKJTKFQBM-ACZMJKKPSA-N Gln-Ser-Asn Chemical compound C(CC(=O)N)[C@@H](C(=O)N[C@@H](CO)C(=O)N[C@@H](CC(=O)N)C(=O)O)N OKARHJKJTKFQBM-ACZMJKKPSA-N 0.000 description 1
- LKDIBBOKUAASNP-FXQIFTODSA-N Glu-Ala-Glu Chemical compound OC(=O)CC[C@H](N)C(=O)N[C@@H](C)C(=O)N[C@@H](CCC(O)=O)C(O)=O LKDIBBOKUAASNP-FXQIFTODSA-N 0.000 description 1
- JJKKWYQVHRUSDG-GUBZILKMSA-N Glu-Ala-Lys Chemical compound [H]N[C@@H](CCC(O)=O)C(=O)N[C@@H](C)C(=O)N[C@@H](CCCCN)C(O)=O JJKKWYQVHRUSDG-GUBZILKMSA-N 0.000 description 1
- CKOFNWCLWRYUHK-XHNCKOQMSA-N Glu-Asp-Pro Chemical compound C1C[C@@H](N(C1)C(=O)[C@H](CC(=O)O)NC(=O)[C@H](CCC(=O)O)N)C(=O)O CKOFNWCLWRYUHK-XHNCKOQMSA-N 0.000 description 1
- CLROYXHHUZELFX-FXQIFTODSA-N Glu-Gln-Asp Chemical compound [H]N[C@@H](CCC(O)=O)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CC(O)=O)C(O)=O CLROYXHHUZELFX-FXQIFTODSA-N 0.000 description 1
- MIQCYAJSDGNCNK-BPUTZDHNSA-N Glu-Gln-Trp Chemical compound [H]N[C@@H](CCC(O)=O)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CC1=CNC2=C1C=CC=C2)C(O)=O MIQCYAJSDGNCNK-BPUTZDHNSA-N 0.000 description 1
- HUFCEIHAFNVSNR-IHRRRGAJSA-N Glu-Gln-Tyr Chemical compound OC(=O)CC[C@H](N)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@H](C(O)=O)CC1=CC=C(O)C=C1 HUFCEIHAFNVSNR-IHRRRGAJSA-N 0.000 description 1
- MUSGDMDGNGXULI-DCAQKATOSA-N Glu-Glu-Leu Chemical compound CC(C)C[C@@H](C(O)=O)NC(=O)[C@H](CCC(O)=O)NC(=O)[C@@H](N)CCC(O)=O MUSGDMDGNGXULI-DCAQKATOSA-N 0.000 description 1
- RAUDKMVXNOWDLS-WDSKDSINSA-N Glu-Gly-Ser Chemical compound OC(=O)CC[C@H](N)C(=O)NCC(=O)N[C@@H](CO)C(O)=O RAUDKMVXNOWDLS-WDSKDSINSA-N 0.000 description 1
- INGJLBQKTRJLFO-UKJIMTQDSA-N Glu-Ile-Val Chemical compound CC(C)[C@@H](C(O)=O)NC(=O)[C@H]([C@@H](C)CC)NC(=O)[C@@H](N)CCC(O)=O INGJLBQKTRJLFO-UKJIMTQDSA-N 0.000 description 1
- MWMJCGBSIORNCD-AVGNSLFASA-N Glu-Leu-Leu Chemical compound [H]N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC(C)C)C(O)=O MWMJCGBSIORNCD-AVGNSLFASA-N 0.000 description 1
- QDMVXRNLOPTPIE-WDCWCFNPSA-N Glu-Lys-Thr Chemical compound [H]N[C@@H](CCC(O)=O)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H]([C@@H](C)O)C(O)=O QDMVXRNLOPTPIE-WDCWCFNPSA-N 0.000 description 1
- AAJHGGDRKHYSDH-GUBZILKMSA-N Glu-Pro-Gln Chemical compound C1C[C@H](N(C1)C(=O)[C@H](CCC(=O)O)N)C(=O)N[C@@H](CCC(=O)N)C(=O)O AAJHGGDRKHYSDH-GUBZILKMSA-N 0.000 description 1
- BPCLDCNZBUYGOD-BPUTZDHNSA-N Glu-Trp-Glu Chemical compound C1=CC=C2C(C[C@H](NC(=O)[C@H](CCC(O)=O)N)C(=O)N[C@@H](CCC(O)=O)C(O)=O)=CNC2=C1 BPCLDCNZBUYGOD-BPUTZDHNSA-N 0.000 description 1
- WGYHAAXZWPEBDQ-IFFSRLJSSA-N Glu-Val-Thr Chemical compound [H]N[C@@H](CCC(O)=O)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H]([C@@H](C)O)C(O)=O WGYHAAXZWPEBDQ-IFFSRLJSSA-N 0.000 description 1
- UGVQELHRNUDMAA-BYPYZUCNSA-N Gly-Ala-Gly Chemical compound [NH3+]CC(=O)N[C@@H](C)C(=O)NCC([O-])=O UGVQELHRNUDMAA-BYPYZUCNSA-N 0.000 description 1
- JRDYDYXZKFNNRQ-XPUUQOCRSA-N Gly-Ala-Val Chemical compound CC(C)[C@@H](C(O)=O)NC(=O)[C@H](C)NC(=O)CN JRDYDYXZKFNNRQ-XPUUQOCRSA-N 0.000 description 1
- PABFFPWEJMEVEC-JGVFFNPUSA-N Gly-Gln-Pro Chemical compound C1C[C@@H](N(C1)C(=O)[C@H](CCC(=O)N)NC(=O)CN)C(=O)O PABFFPWEJMEVEC-JGVFFNPUSA-N 0.000 description 1
- KAJAOGBVWCYGHZ-JTQLQIEISA-N Gly-Gly-Phe Chemical compound [NH3+]CC(=O)NCC(=O)N[C@H](C([O-])=O)CC1=CC=CC=C1 KAJAOGBVWCYGHZ-JTQLQIEISA-N 0.000 description 1
- BUEFQXUHTUZXHR-LURJTMIESA-N Gly-Gly-Pro zwitterion Chemical compound NCC(=O)NCC(=O)N1CCC[C@H]1C(O)=O BUEFQXUHTUZXHR-LURJTMIESA-N 0.000 description 1
- YWAQATDNEKZFFK-BYPYZUCNSA-N Gly-Gly-Ser Chemical compound NCC(=O)NCC(=O)N[C@@H](CO)C(O)=O YWAQATDNEKZFFK-BYPYZUCNSA-N 0.000 description 1
- NNCSJUBVFBDDLC-YUMQZZPRSA-N Gly-Leu-Ser Chemical compound NCC(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CO)C(O)=O NNCSJUBVFBDDLC-YUMQZZPRSA-N 0.000 description 1
- MIIVFRCYJABHTQ-ONGXEEELSA-N Gly-Leu-Val Chemical compound [H]NCC(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](C(C)C)C(O)=O MIIVFRCYJABHTQ-ONGXEEELSA-N 0.000 description 1
- GMTXWRIDLGTVFC-IUCAKERBSA-N Gly-Lys-Glu Chemical compound [H]NCC(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(O)=O GMTXWRIDLGTVFC-IUCAKERBSA-N 0.000 description 1
- IEGFSKKANYKBDU-QWHCGFSZSA-N Gly-Phe-Pro Chemical compound C1C[C@@H](N(C1)C(=O)[C@H](CC2=CC=CC=C2)NC(=O)CN)C(=O)O IEGFSKKANYKBDU-QWHCGFSZSA-N 0.000 description 1
- JSLVAHYTAJJEQH-QWRGUYRKSA-N Gly-Ser-Phe Chemical compound NCC(=O)N[C@@H](CO)C(=O)N[C@H](C(O)=O)CC1=CC=CC=C1 JSLVAHYTAJJEQH-QWRGUYRKSA-N 0.000 description 1
- LCRDMSSAKLTKBU-ZDLURKLDSA-N Gly-Ser-Thr Chemical compound C[C@@H](O)[C@@H](C(O)=O)NC(=O)[C@H](CO)NC(=O)CN LCRDMSSAKLTKBU-ZDLURKLDSA-N 0.000 description 1
- CQMFNTVQVLQRLT-JHEQGTHGSA-N Gly-Thr-Gln Chemical compound [H]NCC(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CCC(N)=O)C(O)=O CQMFNTVQVLQRLT-JHEQGTHGSA-N 0.000 description 1
- XHVONGZZVUUORG-WEDXCCLWSA-N Gly-Thr-Lys Chemical compound NCC(=O)N[C@@H]([C@H](O)C)C(=O)N[C@H](C(O)=O)CCCCN XHVONGZZVUUORG-WEDXCCLWSA-N 0.000 description 1
- GBYYQVBXFVDJPJ-WLTAIBSBSA-N Gly-Tyr-Thr Chemical compound C[C@H]([C@@H](C(=O)O)NC(=O)[C@H](CC1=CC=C(C=C1)O)NC(=O)CN)O GBYYQVBXFVDJPJ-WLTAIBSBSA-N 0.000 description 1
- FULZDMOZUZKGQU-ONGXEEELSA-N Gly-Val-His Chemical compound CC(C)[C@@H](C(=O)N[C@@H](CC1=CN=CN1)C(=O)O)NC(=O)CN FULZDMOZUZKGQU-ONGXEEELSA-N 0.000 description 1
- 239000004471 Glycine Substances 0.000 description 1
- 239000007995 HEPES buffer Substances 0.000 description 1
- FYVHHKMHFPMBBG-GUBZILKMSA-N His-Gln-Asp Chemical compound C1=C(NC=N1)C[C@@H](C(=O)N[C@@H](CCC(=O)N)C(=O)N[C@@H](CC(=O)O)C(=O)O)N FYVHHKMHFPMBBG-GUBZILKMSA-N 0.000 description 1
- TTYKEFZRLKQTHH-MELADBBJSA-N His-Lys-Pro Chemical compound C1C[C@@H](N(C1)C(=O)[C@H](CCCCN)NC(=O)[C@H](CC2=CN=CN2)N)C(=O)O TTYKEFZRLKQTHH-MELADBBJSA-N 0.000 description 1
- 101000773743 Homo sapiens Angiotensin-converting enzyme Proteins 0.000 description 1
- 101000929928 Homo sapiens Angiotensin-converting enzyme 2 Proteins 0.000 description 1
- 206010020751 Hypersensitivity Diseases 0.000 description 1
- MKWSZEHGHSLNPF-NAKRPEOUSA-N Ile-Ala-Val Chemical compound CC[C@H](C)[C@@H](C(=O)N[C@@H](C)C(=O)N[C@@H](C(C)C)C(=O)O)N MKWSZEHGHSLNPF-NAKRPEOUSA-N 0.000 description 1
- DFJJAVZIHDFOGQ-MNXVOIDGSA-N Ile-Glu-Lys Chemical compound CC[C@H](C)[C@@H](C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CCCCN)C(=O)O)N DFJJAVZIHDFOGQ-MNXVOIDGSA-N 0.000 description 1
- QQFSKBMCAKWHLG-UHFFFAOYSA-N Ile-Phe-Pro-Pro Chemical compound C1CCC(C(=O)N2C(CCC2)C(O)=O)N1C(=O)C(NC(=O)C(N)C(C)CC)CC1=CC=CC=C1 QQFSKBMCAKWHLG-UHFFFAOYSA-N 0.000 description 1
- FBGXMKUWQFPHFB-JBDRJPRFSA-N Ile-Ser-Cys Chemical compound CC[C@H](C)[C@@H](C(=O)N[C@@H](CO)C(=O)N[C@@H](CS)C(=O)O)N FBGXMKUWQFPHFB-JBDRJPRFSA-N 0.000 description 1
- ZLFNNVATRMCAKN-ZKWXMUAHSA-N Ile-Ser-Gly Chemical compound CC[C@H](C)[C@@H](C(=O)N[C@@H](CO)C(=O)NCC(=O)O)N ZLFNNVATRMCAKN-ZKWXMUAHSA-N 0.000 description 1
- KFKWRHQBZQICHA-STQMWFEESA-N L-leucyl-L-phenylalanine Natural products CC(C)C[C@H](N)C(=O)N[C@H](C(O)=O)CC1=CC=CC=C1 KFKWRHQBZQICHA-STQMWFEESA-N 0.000 description 1
- DBVWMYGBVFCRBE-CIUDSAMLSA-N Leu-Asn-Asn Chemical compound [H]N[C@@H](CC(C)C)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CC(N)=O)C(O)=O DBVWMYGBVFCRBE-CIUDSAMLSA-N 0.000 description 1
- KAFOIVJDVSZUMD-UHFFFAOYSA-N Leu-Gln-Gln Natural products CC(C)CC(N)C(=O)NC(CCC(N)=O)C(=O)NC(CCC(N)=O)C(O)=O KAFOIVJDVSZUMD-UHFFFAOYSA-N 0.000 description 1
- OXRLYTYUXAQTHP-YUMQZZPRSA-N Leu-Gly-Ala Chemical compound [H]N[C@@H](CC(C)C)C(=O)NCC(=O)N[C@@H](C)C(O)=O OXRLYTYUXAQTHP-YUMQZZPRSA-N 0.000 description 1
- MPSBSKHOWJQHBS-IHRRRGAJSA-N Leu-His-Met Chemical compound CC(C)C[C@@H](C(=O)N[C@@H](CC1=CN=CN1)C(=O)N[C@@H](CCSC)C(=O)O)N MPSBSKHOWJQHBS-IHRRRGAJSA-N 0.000 description 1
- HRTRLSRYZZKPCO-BJDJZHNGSA-N Leu-Ile-Ser Chemical compound [H]N[C@@H](CC(C)C)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(O)=O HRTRLSRYZZKPCO-BJDJZHNGSA-N 0.000 description 1
- NRFGTHFONZYFNY-MGHWNKPDSA-N Leu-Ile-Tyr Chemical compound CC(C)C[C@H](N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@H](C(O)=O)CC1=CC=C(O)C=C1 NRFGTHFONZYFNY-MGHWNKPDSA-N 0.000 description 1
- UHNQRAFSEBGZFZ-YESZJQIVSA-N Leu-Phe-Pro Chemical compound CC(C)C[C@@H](C(=O)N[C@@H](CC1=CC=CC=C1)C(=O)N2CCC[C@@H]2C(=O)O)N UHNQRAFSEBGZFZ-YESZJQIVSA-N 0.000 description 1
- DPURXCQCHSQPAN-AVGNSLFASA-N Leu-Pro-Pro Chemical compound CC(C)C[C@H](N)C(=O)N1CCC[C@H]1C(=O)N1[C@H](C(O)=O)CCC1 DPURXCQCHSQPAN-AVGNSLFASA-N 0.000 description 1
- KIZIOFNVSOSKJI-CIUDSAMLSA-N Leu-Ser-Cys Chemical compound CC(C)C[C@@H](C(=O)N[C@@H](CO)C(=O)N[C@@H](CS)C(=O)O)N KIZIOFNVSOSKJI-CIUDSAMLSA-N 0.000 description 1
- XOWMDXHFSBCAKQ-SRVKXCTJSA-N Leu-Ser-Leu Chemical compound CC(C)C[C@H](N)C(=O)N[C@@H](CO)C(=O)N[C@H](C(O)=O)CC(C)C XOWMDXHFSBCAKQ-SRVKXCTJSA-N 0.000 description 1
- AMSSKPUHBUQBOQ-SRVKXCTJSA-N Leu-Ser-Lys Chemical compound CC(C)C[C@@H](C(=O)N[C@@H](CO)C(=O)N[C@@H](CCCCN)C(=O)O)N AMSSKPUHBUQBOQ-SRVKXCTJSA-N 0.000 description 1
- SBANPBVRHYIMRR-UHFFFAOYSA-N Leu-Ser-Pro Natural products CC(C)CC(N)C(=O)NC(CO)C(=O)N1CCCC1C(O)=O SBANPBVRHYIMRR-UHFFFAOYSA-N 0.000 description 1
- LFSQWRSVPNKJGP-WDCWCFNPSA-N Leu-Thr-Glu Chemical compound CC(C)C[C@H](N)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@H](C(O)=O)CCC(O)=O LFSQWRSVPNKJGP-WDCWCFNPSA-N 0.000 description 1
- DAYQSYGBCUKVKT-VOAKCMCISA-N Leu-Thr-Lys Chemical compound CC(C)C[C@H](N)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CCCCN)C(O)=O DAYQSYGBCUKVKT-VOAKCMCISA-N 0.000 description 1
- KLSUAWUZBMAZCL-RHYQMDGZSA-N Leu-Thr-Pro Chemical compound CC(C)C[C@H](N)C(=O)N[C@@H]([C@@H](C)O)C(=O)N1CCC[C@H]1C(O)=O KLSUAWUZBMAZCL-RHYQMDGZSA-N 0.000 description 1
- AIQWYVFNBNNOLU-RHYQMDGZSA-N Leu-Thr-Val Chemical compound [H]N[C@@H](CC(C)C)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](C(C)C)C(O)=O AIQWYVFNBNNOLU-RHYQMDGZSA-N 0.000 description 1
- TUIOUEWKFFVNLH-DCAQKATOSA-N Leu-Val-Cys Chemical compound CC(C)C[C@H](N)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CS)C(O)=O TUIOUEWKFFVNLH-DCAQKATOSA-N 0.000 description 1
- LMDVGHQPPPLYAR-IHRRRGAJSA-N Leu-Val-His Chemical compound N[C@@H](CC(C)C)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CC1=CNC=N1)C(=O)O LMDVGHQPPPLYAR-IHRRRGAJSA-N 0.000 description 1
- 108060001084 Luciferase Proteins 0.000 description 1
- 239000005089 Luciferase Substances 0.000 description 1
- FZIJIFCXUCZHOL-CIUDSAMLSA-N Lys-Ala-Ala Chemical compound OC(=O)[C@H](C)NC(=O)[C@H](C)NC(=O)[C@@H](N)CCCCN FZIJIFCXUCZHOL-CIUDSAMLSA-N 0.000 description 1
- KCXUCYYZNZFGLL-SRVKXCTJSA-N Lys-Ala-Leu Chemical compound [H]N[C@@H](CCCCN)C(=O)N[C@@H](C)C(=O)N[C@@H](CC(C)C)C(O)=O KCXUCYYZNZFGLL-SRVKXCTJSA-N 0.000 description 1
- WSXTWLJHTLRFLW-SRVKXCTJSA-N Lys-Ala-Lys Chemical compound NCCCC[C@H](N)C(=O)N[C@@H](C)C(=O)N[C@@H](CCCCN)C(O)=O WSXTWLJHTLRFLW-SRVKXCTJSA-N 0.000 description 1
- KNKHAVVBVXKOGX-JXUBOQSCSA-N Lys-Ala-Thr Chemical compound [H]N[C@@H](CCCCN)C(=O)N[C@@H](C)C(=O)N[C@@H]([C@@H](C)O)C(O)=O KNKHAVVBVXKOGX-JXUBOQSCSA-N 0.000 description 1
- FUKDBQGFSJUXGX-RWMBFGLXSA-N Lys-Arg-Pro Chemical compound C1C[C@@H](N(C1)C(=O)[C@H](CCCN=C(N)N)NC(=O)[C@H](CCCCN)N)C(=O)O FUKDBQGFSJUXGX-RWMBFGLXSA-N 0.000 description 1
- NTBFKPBULZGXQL-KKUMJFAQSA-N Lys-Asp-Tyr Chemical compound NCCCC[C@H](N)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@H](C(O)=O)CC1=CC=C(O)C=C1 NTBFKPBULZGXQL-KKUMJFAQSA-N 0.000 description 1
- GQZMPWBZQALKJO-UWVGGRQHSA-N Lys-Gly-Arg Chemical compound [H]N[C@@H](CCCCN)C(=O)NCC(=O)N[C@@H](CCCNC(N)=N)C(O)=O GQZMPWBZQALKJO-UWVGGRQHSA-N 0.000 description 1
- RFQATBGBLDAKGI-VHSXEESVSA-N Lys-Gly-Pro Chemical compound C1C[C@@H](N(C1)C(=O)CNC(=O)[C@H](CCCCN)N)C(=O)O RFQATBGBLDAKGI-VHSXEESVSA-N 0.000 description 1
- FGMHXLULNHTPID-KKUMJFAQSA-N Lys-His-Lys Chemical compound NCCCC[C@H](N)C(=O)N[C@H](C(=O)N[C@@H](CCCCN)C(O)=O)CC1=CN=CN1 FGMHXLULNHTPID-KKUMJFAQSA-N 0.000 description 1
- PRSBSVAVOQOAMI-BJDJZHNGSA-N Lys-Ile-Ser Chemical compound OC[C@@H](C(O)=O)NC(=O)[C@H]([C@@H](C)CC)NC(=O)[C@@H](N)CCCCN PRSBSVAVOQOAMI-BJDJZHNGSA-N 0.000 description 1
- WLXGMVVHTIUPHE-ULQDDVLXSA-N Lys-Phe-Val Chemical compound [H]N[C@@H](CCCCN)C(=O)N[C@@H](CC1=CC=CC=C1)C(=O)N[C@@H](C(C)C)C(O)=O WLXGMVVHTIUPHE-ULQDDVLXSA-N 0.000 description 1
- PDIDTSZKKFEDMB-UWVGGRQHSA-N Lys-Pro-Gly Chemical compound [H]N[C@@H](CCCCN)C(=O)N1CCC[C@H]1C(=O)NCC(O)=O PDIDTSZKKFEDMB-UWVGGRQHSA-N 0.000 description 1
- LUTDBHBIHHREDC-IHRRRGAJSA-N Lys-Pro-Lys Chemical compound NCCCC[C@H](N)C(=O)N1CCC[C@H]1C(=O)N[C@@H](CCCCN)C(O)=O LUTDBHBIHHREDC-IHRRRGAJSA-N 0.000 description 1
- SBQDRNOLGSYHQA-YUMQZZPRSA-N Lys-Ser-Gly Chemical compound [H]N[C@@H](CCCCN)C(=O)N[C@@H](CO)C(=O)NCC(O)=O SBQDRNOLGSYHQA-YUMQZZPRSA-N 0.000 description 1
- SQXZLVXQXWILKW-KKUMJFAQSA-N Lys-Ser-Phe Chemical compound [H]N[C@@H](CCCCN)C(=O)N[C@@H](CO)C(=O)N[C@@H](CC1=CC=CC=C1)C(O)=O SQXZLVXQXWILKW-KKUMJFAQSA-N 0.000 description 1
- SUZVLFWOCKHWET-CQDKDKBSSA-N Lys-Tyr-Ala Chemical compound [H]N[C@@H](CCCCN)C(=O)N[C@@H](CC1=CC=C(O)C=C1)C(=O)N[C@@H](C)C(O)=O SUZVLFWOCKHWET-CQDKDKBSSA-N 0.000 description 1
- UGCIQUYEJIEHKX-GVXVVHGQSA-N Lys-Val-Glu Chemical compound [H]N[C@@H](CCCCN)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CCC(O)=O)C(O)=O UGCIQUYEJIEHKX-GVXVVHGQSA-N 0.000 description 1
- SJDQOYTYNGZZJX-SRVKXCTJSA-N Met-Glu-Leu Chemical compound CSCC[C@H](N)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC(C)C)C(O)=O SJDQOYTYNGZZJX-SRVKXCTJSA-N 0.000 description 1
- RKIIYGUHIQJCBW-SRVKXCTJSA-N Met-His-Glu Chemical compound [H]N[C@@H](CCSC)C(=O)N[C@@H](CC1=CNC=N1)C(=O)N[C@@H](CCC(O)=O)C(O)=O RKIIYGUHIQJCBW-SRVKXCTJSA-N 0.000 description 1
- FWAHLGXNBLWIKB-NAKRPEOUSA-N Met-Ile-Ser Chemical compound OC[C@@H](C(O)=O)NC(=O)[C@H]([C@@H](C)CC)NC(=O)[C@@H](N)CCSC FWAHLGXNBLWIKB-NAKRPEOUSA-N 0.000 description 1
- AFVOKRHYSSFPHC-STECZYCISA-N Met-Ile-Tyr Chemical compound CSCC[C@H](N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@H](C(O)=O)CC1=CC=C(O)C=C1 AFVOKRHYSSFPHC-STECZYCISA-N 0.000 description 1
- SPSSJSICDYYTQN-HJGDQZAQSA-N Met-Thr-Gln Chemical compound CSCC[C@H](N)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@H](C(O)=O)CCC(N)=O SPSSJSICDYYTQN-HJGDQZAQSA-N 0.000 description 1
- 241000127282 Middle East respiratory syndrome-related coronavirus Species 0.000 description 1
- 241000699670 Mus sp. Species 0.000 description 1
- WUGMRIBZSVSJNP-UHFFFAOYSA-N N-L-alanyl-L-tryptophan Natural products C1=CC=C2C(CC(NC(=O)C(N)C)C(O)=O)=CNC2=C1 WUGMRIBZSVSJNP-UHFFFAOYSA-N 0.000 description 1
- YBAFDPFAUTYYRW-UHFFFAOYSA-N N-L-alpha-glutamyl-L-leucine Natural products CC(C)CC(C(O)=O)NC(=O)C(N)CCC(O)=O YBAFDPFAUTYYRW-UHFFFAOYSA-N 0.000 description 1
- SITLTJHOQZFJGG-UHFFFAOYSA-N N-L-alpha-glutamyl-L-valine Natural products CC(C)C(C(O)=O)NC(=O)C(N)CCC(O)=O SITLTJHOQZFJGG-UHFFFAOYSA-N 0.000 description 1
- 108010079364 N-glycylalanine Proteins 0.000 description 1
- 125000001429 N-terminal alpha-amino-acid group Chemical group 0.000 description 1
- 241001494479 Pecora Species 0.000 description 1
- 102000035195 Peptidases Human genes 0.000 description 1
- 108091005804 Peptidases Proteins 0.000 description 1
- JOXIIFVCSATTDH-IHPCNDPISA-N Phe-Asn-Trp Chemical compound C1=CC=C(C=C1)C[C@@H](C(=O)N[C@@H](CC(=O)N)C(=O)N[C@@H](CC2=CNC3=CC=CC=C32)C(=O)O)N JOXIIFVCSATTDH-IHPCNDPISA-N 0.000 description 1
- IUVYJBMTHARMIP-PCBIJLKTSA-N Phe-Asp-Ile Chemical compound [H]N[C@@H](CC1=CC=CC=C1)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H]([C@@H](C)CC)C(O)=O IUVYJBMTHARMIP-PCBIJLKTSA-N 0.000 description 1
- CUMXHKAOHNWRFQ-BZSNNMDCSA-N Phe-Asp-Tyr Chemical compound C([C@H](N)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CC=1C=CC(O)=CC=1)C(O)=O)C1=CC=CC=C1 CUMXHKAOHNWRFQ-BZSNNMDCSA-N 0.000 description 1
- YYKZDTVQHTUKDW-RYUDHWBXSA-N Phe-Gly-Gln Chemical compound C1=CC=C(C=C1)C[C@@H](C(=O)NCC(=O)N[C@@H](CCC(=O)N)C(=O)O)N YYKZDTVQHTUKDW-RYUDHWBXSA-N 0.000 description 1
- QARPMYDMYVLFMW-KKUMJFAQSA-N Phe-Pro-Glu Chemical compound C([C@H](N)C(=O)N1[C@@H](CCC1)C(=O)N[C@@H](CCC(O)=O)C(O)=O)C1=CC=CC=C1 QARPMYDMYVLFMW-KKUMJFAQSA-N 0.000 description 1
- MCIXMYKSPQUMJG-SRVKXCTJSA-N Phe-Ser-Ser Chemical compound [H]N[C@@H](CC1=CC=CC=C1)C(=O)N[C@@H](CO)C(=O)N[C@@H](CO)C(O)=O MCIXMYKSPQUMJG-SRVKXCTJSA-N 0.000 description 1
- FGWUALWGCZJQDJ-URLPEUOOSA-N Phe-Thr-Ile Chemical compound [H]N[C@@H](CC1=CC=CC=C1)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H]([C@@H](C)CC)C(O)=O FGWUALWGCZJQDJ-URLPEUOOSA-N 0.000 description 1
- SJRQWEDYTKYHHL-SLFFLAALSA-N Phe-Tyr-Pro Chemical compound C1C[C@@H](N(C1)C(=O)[C@H](CC2=CC=C(C=C2)O)NC(=O)[C@H](CC3=CC=CC=C3)N)C(=O)O SJRQWEDYTKYHHL-SLFFLAALSA-N 0.000 description 1
- IHCXPSYCHXFXKT-DCAQKATOSA-N Pro-Arg-Glu Chemical compound [H]N1CCC[C@H]1C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CCC(O)=O)C(O)=O IHCXPSYCHXFXKT-DCAQKATOSA-N 0.000 description 1
- VCYJKOLZYPYGJV-AVGNSLFASA-N Pro-Arg-Leu Chemical compound [H]N1CCC[C@H]1C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC(C)C)C(O)=O VCYJKOLZYPYGJV-AVGNSLFASA-N 0.000 description 1
- KPDRZQUWJKTMBP-DCAQKATOSA-N Pro-Asp-Leu Chemical compound CC(C)C[C@@H](C(=O)O)NC(=O)[C@H](CC(=O)O)NC(=O)[C@@H]1CCCN1 KPDRZQUWJKTMBP-DCAQKATOSA-N 0.000 description 1
- UIMCLYYSUCIUJM-UWVGGRQHSA-N Pro-Gly-Lys Chemical compound NCCCC[C@@H](C(O)=O)NC(=O)CNC(=O)[C@@H]1CCCN1 UIMCLYYSUCIUJM-UWVGGRQHSA-N 0.000 description 1
- FMLRRBDLBJLJIK-DCAQKATOSA-N Pro-Leu-Ala Chemical compound OC(=O)[C@H](C)NC(=O)[C@H](CC(C)C)NC(=O)[C@@H]1CCCN1 FMLRRBDLBJLJIK-DCAQKATOSA-N 0.000 description 1
- MHHQQZIFLWFZGR-DCAQKATOSA-N Pro-Lys-Ser Chemical compound [H]N1CCC[C@H]1C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CO)C(O)=O MHHQQZIFLWFZGR-DCAQKATOSA-N 0.000 description 1
- FDMKYQQYJKYCLV-GUBZILKMSA-N Pro-Pro-Ser Chemical compound OC[C@@H](C(O)=O)NC(=O)[C@@H]1CCCN1C(=O)[C@H]1NCCC1 FDMKYQQYJKYCLV-GUBZILKMSA-N 0.000 description 1
- GMJDSFYVTAMIBF-FXQIFTODSA-N Pro-Ser-Asp Chemical compound [H]N1CCC[C@H]1C(=O)N[C@@H](CO)C(=O)N[C@@H](CC(O)=O)C(O)=O GMJDSFYVTAMIBF-FXQIFTODSA-N 0.000 description 1
- SXJOPONICMGFCR-DCAQKATOSA-N Pro-Ser-Lys Chemical compound C1C[C@H](NC1)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCCCN)C(=O)O SXJOPONICMGFCR-DCAQKATOSA-N 0.000 description 1
- MKGIILKDUGDRRO-FXQIFTODSA-N Pro-Ser-Ser Chemical compound OC[C@@H](C(O)=O)NC(=O)[C@H](CO)NC(=O)[C@@H]1CCCN1 MKGIILKDUGDRRO-FXQIFTODSA-N 0.000 description 1
- PRKWBYCXBBSLSK-GUBZILKMSA-N Pro-Ser-Val Chemical compound [H]N1CCC[C@H]1C(=O)N[C@@H](CO)C(=O)N[C@@H](C(C)C)C(O)=O PRKWBYCXBBSLSK-GUBZILKMSA-N 0.000 description 1
- QKWYXRPICJEQAJ-KJEVXHAQSA-N Pro-Tyr-Thr Chemical compound C[C@H]([C@@H](C(=O)O)NC(=O)[C@H](CC1=CC=C(C=C1)O)NC(=O)[C@@H]2CCCN2)O QKWYXRPICJEQAJ-KJEVXHAQSA-N 0.000 description 1
- KHRLUIPIMIQFGT-AVGNSLFASA-N Pro-Val-Leu Chemical compound [H]N1CCC[C@H]1C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CC(C)C)C(O)=O KHRLUIPIMIQFGT-AVGNSLFASA-N 0.000 description 1
- 239000004365 Protease Substances 0.000 description 1
- 108010076504 Protein Sorting Signals Proteins 0.000 description 1
- WTWGOQRNRFHFQD-JBDRJPRFSA-N Ser-Ala-Ile Chemical compound [H]N[C@@H](CO)C(=O)N[C@@H](C)C(=O)N[C@@H]([C@@H](C)CC)C(O)=O WTWGOQRNRFHFQD-JBDRJPRFSA-N 0.000 description 1
- HZWAHWQZPSXNCB-BPUTZDHNSA-N Ser-Arg-Trp Chemical compound [H]N[C@@H](CO)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC1=CNC2=C1C=CC=C2)C(O)=O HZWAHWQZPSXNCB-BPUTZDHNSA-N 0.000 description 1
- HBOABDXGTMMDSE-GUBZILKMSA-N Ser-Arg-Val Chemical compound [H]N[C@@H](CO)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](C(C)C)C(O)=O HBOABDXGTMMDSE-GUBZILKMSA-N 0.000 description 1
- OBXVZEAMXFSGPU-FXQIFTODSA-N Ser-Asn-Arg Chemical compound C(C[C@@H](C(=O)O)NC(=O)[C@H](CC(=O)N)NC(=O)[C@H](CO)N)CN=C(N)N OBXVZEAMXFSGPU-FXQIFTODSA-N 0.000 description 1
- VAUMZJHYZQXZBQ-WHFBIAKZSA-N Ser-Asn-Gly Chemical compound OC[C@H](N)C(=O)N[C@@H](CC(N)=O)C(=O)NCC(O)=O VAUMZJHYZQXZBQ-WHFBIAKZSA-N 0.000 description 1
- UGJRQLURDVGULT-LKXGYXEUSA-N Ser-Asn-Thr Chemical compound [H]N[C@@H](CO)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H]([C@@H](C)O)C(O)=O UGJRQLURDVGULT-LKXGYXEUSA-N 0.000 description 1
- FTVRVZNYIYWJGB-ACZMJKKPSA-N Ser-Asp-Glu Chemical compound [H]N[C@@H](CO)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CCC(O)=O)C(O)=O FTVRVZNYIYWJGB-ACZMJKKPSA-N 0.000 description 1
- ZOHGLPQGEHSLPD-FXQIFTODSA-N Ser-Gln-Glu Chemical compound [H]N[C@@H](CO)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCC(O)=O)C(O)=O ZOHGLPQGEHSLPD-FXQIFTODSA-N 0.000 description 1
- FMDHKPRACUXATF-ACZMJKKPSA-N Ser-Gln-Ser Chemical compound OC[C@H](N)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CO)C(O)=O FMDHKPRACUXATF-ACZMJKKPSA-N 0.000 description 1
- UQFYNFTYDHUIMI-WHFBIAKZSA-N Ser-Gly-Ala Chemical compound OC(=O)[C@H](C)NC(=O)CNC(=O)[C@@H](N)CO UQFYNFTYDHUIMI-WHFBIAKZSA-N 0.000 description 1
- BPMRXBZYPGYPJN-WHFBIAKZSA-N Ser-Gly-Asn Chemical compound [H]N[C@@H](CO)C(=O)NCC(=O)N[C@@H](CC(N)=O)C(O)=O BPMRXBZYPGYPJN-WHFBIAKZSA-N 0.000 description 1
- YMTLKLXDFCSCNX-BYPYZUCNSA-N Ser-Gly-Gly Chemical compound OC[C@H](N)C(=O)NCC(=O)NCC(O)=O YMTLKLXDFCSCNX-BYPYZUCNSA-N 0.000 description 1
- SFTZWNJFZYOLBD-ZDLURKLDSA-N Ser-Gly-Thr Chemical compound C[C@@H](O)[C@@H](C(O)=O)NC(=O)CNC(=O)[C@@H](N)CO SFTZWNJFZYOLBD-ZDLURKLDSA-N 0.000 description 1
- CLKKNZQUQMZDGD-SRVKXCTJSA-N Ser-His-Lys Chemical compound NCCCC[C@@H](C(O)=O)NC(=O)[C@@H](NC(=O)[C@@H](N)CO)CC1=CN=CN1 CLKKNZQUQMZDGD-SRVKXCTJSA-N 0.000 description 1
- UIPXCLNLUUAMJU-JBDRJPRFSA-N Ser-Ile-Ser Chemical compound [H]N[C@@H](CO)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(O)=O UIPXCLNLUUAMJU-JBDRJPRFSA-N 0.000 description 1
- ZOPISOXXPQNOCO-SVSWQMSJSA-N Ser-Ile-Thr Chemical compound CC[C@H](C)[C@@H](C(=O)N[C@@H]([C@@H](C)O)C(=O)O)NC(=O)[C@H](CO)N ZOPISOXXPQNOCO-SVSWQMSJSA-N 0.000 description 1
- QYSFWUIXDFJUDW-DCAQKATOSA-N Ser-Leu-Arg Chemical compound [H]N[C@@H](CO)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCNC(N)=N)C(O)=O QYSFWUIXDFJUDW-DCAQKATOSA-N 0.000 description 1
- PPNPDKGQRFSCAC-CIUDSAMLSA-N Ser-Lys-Asp Chemical compound NCCCC[C@H](NC(=O)[C@@H](N)CO)C(=O)N[C@@H](CC(O)=O)C(O)=O PPNPDKGQRFSCAC-CIUDSAMLSA-N 0.000 description 1
- FOOZNBRFRWGBNU-DCAQKATOSA-N Ser-Met-His Chemical compound CSCC[C@@H](C(=O)N[C@@H](CC1=CN=CN1)C(=O)O)NC(=O)[C@H](CO)N FOOZNBRFRWGBNU-DCAQKATOSA-N 0.000 description 1
- RHAPJNVNWDBFQI-BQBZGAKWSA-N Ser-Pro-Gly Chemical compound OC[C@H](N)C(=O)N1CCC[C@H]1C(=O)NCC(O)=O RHAPJNVNWDBFQI-BQBZGAKWSA-N 0.000 description 1
- FKYWFUYPVKLJLP-DCAQKATOSA-N Ser-Pro-Leu Chemical compound CC(C)C[C@@H](C(O)=O)NC(=O)[C@@H]1CCCN1C(=O)[C@@H](N)CO FKYWFUYPVKLJLP-DCAQKATOSA-N 0.000 description 1
- PPCZVWHJWJFTFN-ZLUOBGJFSA-N Ser-Ser-Asp Chemical compound [H]N[C@@H](CO)C(=O)N[C@@H](CO)C(=O)N[C@@H](CC(O)=O)C(O)=O PPCZVWHJWJFTFN-ZLUOBGJFSA-N 0.000 description 1
- SRSPTFBENMJHMR-WHFBIAKZSA-N Ser-Ser-Gly Chemical compound OC[C@H](N)C(=O)N[C@@H](CO)C(=O)NCC(O)=O SRSPTFBENMJHMR-WHFBIAKZSA-N 0.000 description 1
- CUXJENOFJXOSOZ-BIIVOSGPSA-N Ser-Ser-Pro Chemical compound C1C[C@@H](N(C1)C(=O)[C@H](CO)NC(=O)[C@H](CO)N)C(=O)O CUXJENOFJXOSOZ-BIIVOSGPSA-N 0.000 description 1
- NADLKBTYNKUJEP-KATARQTJSA-N Ser-Thr-Leu Chemical compound [H]N[C@@H](CO)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CC(C)C)C(O)=O NADLKBTYNKUJEP-KATARQTJSA-N 0.000 description 1
- SNXUIBACCONSOH-BWBBJGPYSA-N Ser-Thr-Ser Chemical compound OC[C@H](N)C(=O)N[C@@H]([C@H](O)C)C(=O)N[C@@H](CO)C(O)=O SNXUIBACCONSOH-BWBBJGPYSA-N 0.000 description 1
- FVFUOQIYDPAIJR-XIRDDKMYSA-N Ser-Trp-Leu Chemical compound CC(C)C[C@@H](C(=O)O)NC(=O)[C@H](CC1=CNC2=CC=CC=C21)NC(=O)[C@H](CO)N FVFUOQIYDPAIJR-XIRDDKMYSA-N 0.000 description 1
- RTXKJFWHEBTABY-IHPCNDPISA-N Ser-Trp-Tyr Chemical compound C1=CC=C2C(=C1)C(=CN2)C[C@@H](C(=O)N[C@@H](CC3=CC=C(C=C3)O)C(=O)O)NC(=O)[C@H](CO)N RTXKJFWHEBTABY-IHPCNDPISA-N 0.000 description 1
- VVKVHAOOUGNDPJ-SRVKXCTJSA-N Ser-Tyr-Ser Chemical compound [H]N[C@@H](CO)C(=O)N[C@@H](CC1=CC=C(O)C=C1)C(=O)N[C@@H](CO)C(O)=O VVKVHAOOUGNDPJ-SRVKXCTJSA-N 0.000 description 1
- LGIMRDKGABDMBN-DCAQKATOSA-N Ser-Val-Lys Chemical compound CC(C)[C@@H](C(=O)N[C@@H](CCCCN)C(=O)O)NC(=O)[C@H](CO)N LGIMRDKGABDMBN-DCAQKATOSA-N 0.000 description 1
- SIEBDTCABMZCLF-XGEHTFHBSA-N Ser-Val-Thr Chemical compound [H]N[C@@H](CO)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H]([C@@H](C)O)C(O)=O SIEBDTCABMZCLF-XGEHTFHBSA-N 0.000 description 1
- 101000629318 Severe acute respiratory syndrome coronavirus 2 Spike glycoprotein Proteins 0.000 description 1
- 101710172711 Structural protein Proteins 0.000 description 1
- XSLXHSYIVPGEER-KZVJFYERSA-N Thr-Ala-Val Chemical compound [H]N[C@@H]([C@@H](C)O)C(=O)N[C@@H](C)C(=O)N[C@@H](C(C)C)C(O)=O XSLXHSYIVPGEER-KZVJFYERSA-N 0.000 description 1
- KRPKYGOFYUNIGM-XVSYOHENSA-N Thr-Asp-Phe Chemical compound C[C@H]([C@@H](C(=O)N[C@@H](CC(=O)O)C(=O)N[C@@H](CC1=CC=CC=C1)C(=O)O)N)O KRPKYGOFYUNIGM-XVSYOHENSA-N 0.000 description 1
- XXNLGZRRSKPSGF-HTUGSXCWSA-N Thr-Gln-Phe Chemical compound C[C@H]([C@@H](C(=O)N[C@@H](CCC(=O)N)C(=O)N[C@@H](CC1=CC=CC=C1)C(=O)O)N)O XXNLGZRRSKPSGF-HTUGSXCWSA-N 0.000 description 1
- DIPIPFHFLPTCLK-LOKLDPHHSA-N Thr-Gln-Pro Chemical compound C[C@H]([C@@H](C(=O)N[C@@H](CCC(=O)N)C(=O)N1CCC[C@@H]1C(=O)O)N)O DIPIPFHFLPTCLK-LOKLDPHHSA-N 0.000 description 1
- LGNBRHZANHMZHK-NUMRIWBASA-N Thr-Glu-Asp Chemical compound C[C@H]([C@@H](C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CC(=O)O)C(=O)O)N)O LGNBRHZANHMZHK-NUMRIWBASA-N 0.000 description 1
- VOHWDZNIESHTFW-XKBZYTNZSA-N Thr-Glu-Cys Chemical compound C[C@H]([C@@H](C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CS)C(=O)O)N)O VOHWDZNIESHTFW-XKBZYTNZSA-N 0.000 description 1
- DJDSEDOKJTZBAR-ZDLURKLDSA-N Thr-Gly-Ser Chemical compound C[C@@H](O)[C@H](N)C(=O)NCC(=O)N[C@@H](CO)C(O)=O DJDSEDOKJTZBAR-ZDLURKLDSA-N 0.000 description 1
- KBBRNEDOYWMIJP-KYNKHSRBSA-N Thr-Gly-Thr Chemical compound C[C@H]([C@@H](C(=O)NCC(=O)N[C@@H]([C@@H](C)O)C(=O)O)N)O KBBRNEDOYWMIJP-KYNKHSRBSA-N 0.000 description 1
- CYVQBKQYQGEELV-NKIYYHGXSA-N Thr-His-Gln Chemical compound C[C@H]([C@@H](C(=O)N[C@@H](CC1=CN=CN1)C(=O)N[C@@H](CCC(=O)N)C(=O)O)N)O CYVQBKQYQGEELV-NKIYYHGXSA-N 0.000 description 1
- WPSDXXQRIVKBAY-NKIYYHGXSA-N Thr-His-Glu Chemical compound C[C@H]([C@@H](C(=O)N[C@@H](CC1=CN=CN1)C(=O)N[C@@H](CCC(=O)O)C(=O)O)N)O WPSDXXQRIVKBAY-NKIYYHGXSA-N 0.000 description 1
- SXAGUVRFGJSFKC-ZEILLAHLSA-N Thr-His-Thr Chemical compound [H]N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CC1=CNC=N1)C(=O)N[C@@H]([C@@H](C)O)C(O)=O SXAGUVRFGJSFKC-ZEILLAHLSA-N 0.000 description 1
- FQPDRTDDEZXCEC-SVSWQMSJSA-N Thr-Ile-Ser Chemical compound [H]N[C@@H]([C@@H](C)O)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(O)=O FQPDRTDDEZXCEC-SVSWQMSJSA-N 0.000 description 1
- MECLEFZMPPOEAC-VOAKCMCISA-N Thr-Leu-Lys Chemical compound C[C@H]([C@@H](C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCCN)C(=O)O)N)O MECLEFZMPPOEAC-VOAKCMCISA-N 0.000 description 1
- PRNGXSILMXSWQQ-OEAJRASXSA-N Thr-Leu-Phe Chemical compound [H]N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC1=CC=CC=C1)C(O)=O PRNGXSILMXSWQQ-OEAJRASXSA-N 0.000 description 1
- VRUFCJZQDACGLH-UVOCVTCTSA-N Thr-Leu-Thr Chemical compound [H]N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H]([C@@H](C)O)C(O)=O VRUFCJZQDACGLH-UVOCVTCTSA-N 0.000 description 1
- FDQXPJCLVPFKJW-KJEVXHAQSA-N Thr-Met-Tyr Chemical compound C[C@H]([C@@H](C(=O)N[C@@H](CCSC)C(=O)N[C@@H](CC1=CC=C(C=C1)O)C(=O)O)N)O FDQXPJCLVPFKJW-KJEVXHAQSA-N 0.000 description 1
- JMBRNXUOLJFURW-BEAPCOKYSA-N Thr-Phe-Pro Chemical compound C[C@H]([C@@H](C(=O)N[C@@H](CC1=CC=CC=C1)C(=O)N2CCC[C@@H]2C(=O)O)N)O JMBRNXUOLJFURW-BEAPCOKYSA-N 0.000 description 1
- RVMNUBQWPVOUKH-HEIBUPTGSA-N Thr-Ser-Thr Chemical compound [H]N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CO)C(=O)N[C@@H]([C@@H](C)O)C(O)=O RVMNUBQWPVOUKH-HEIBUPTGSA-N 0.000 description 1
- ZESGVALRVJIVLZ-VFCFLDTKSA-N Thr-Thr-Pro Chemical compound C[C@H]([C@@H](C(=O)N[C@@H]([C@@H](C)O)C(=O)N1CCC[C@@H]1C(=O)O)N)O ZESGVALRVJIVLZ-VFCFLDTKSA-N 0.000 description 1
- COYHRQWNJDJCNA-NUJDXYNKSA-N Thr-Thr-Thr Chemical compound C[C@@H](O)[C@H](N)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H]([C@@H](C)O)C(O)=O COYHRQWNJDJCNA-NUJDXYNKSA-N 0.000 description 1
- JAWUQFCGNVEDRN-MEYUZBJRSA-N Thr-Tyr-Leu Chemical compound C[C@H]([C@@H](C(=O)N[C@@H](CC1=CC=C(C=C1)O)C(=O)N[C@@H](CC(C)C)C(=O)O)N)O JAWUQFCGNVEDRN-MEYUZBJRSA-N 0.000 description 1
- CYCGARJWIQWPQM-YJRXYDGGSA-N Thr-Tyr-Ser Chemical compound C[C@@H](O)[C@H]([NH3+])C(=O)N[C@H](C(=O)N[C@@H](CO)C([O-])=O)CC1=CC=C(O)C=C1 CYCGARJWIQWPQM-YJRXYDGGSA-N 0.000 description 1
- YOPQYBJJNSIQGZ-JNPHEJMOSA-N Thr-Tyr-Tyr Chemical compound C([C@H](NC(=O)[C@@H](N)[C@H](O)C)C(=O)N[C@@H](CC=1C=CC(O)=CC=1)C(O)=O)C1=CC=C(O)C=C1 YOPQYBJJNSIQGZ-JNPHEJMOSA-N 0.000 description 1
- OGOYMQWIWHGTGH-KZVJFYERSA-N Thr-Val-Ala Chemical compound C[C@@H](O)[C@H](N)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](C)C(O)=O OGOYMQWIWHGTGH-KZVJFYERSA-N 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- XGFGVFMXDXALEV-XIRDDKMYSA-N Trp-Leu-Asn Chemical compound CC(C)C[C@@H](C(=O)N[C@@H](CC(=O)N)C(=O)O)NC(=O)[C@H](CC1=CNC2=CC=CC=C21)N XGFGVFMXDXALEV-XIRDDKMYSA-N 0.000 description 1
- NLLARHRWSFNEMH-NUTKFTJISA-N Trp-Lys-Ala Chemical compound C[C@@H](C(=O)O)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CC1=CNC2=CC=CC=C21)N NLLARHRWSFNEMH-NUTKFTJISA-N 0.000 description 1
- 102000004142 Trypsin Human genes 0.000 description 1
- 108090000631 Trypsin Proteins 0.000 description 1
- DLZKEQQWXODGGZ-KWQFWETISA-N Tyr-Ala-Gly Chemical compound OC(=O)CNC(=O)[C@H](C)NC(=O)[C@@H](N)CC1=CC=C(O)C=C1 DLZKEQQWXODGGZ-KWQFWETISA-N 0.000 description 1
- QYSBJAUCUKHSLU-JYJNAYRXSA-N Tyr-Arg-Val Chemical compound [H]N[C@@H](CC1=CC=C(O)C=C1)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](C(C)C)C(O)=O QYSBJAUCUKHSLU-JYJNAYRXSA-N 0.000 description 1
- OLWFDNLLBWQWCP-STQMWFEESA-N Tyr-Gly-Met Chemical compound [H]N[C@@H](CC1=CC=C(O)C=C1)C(=O)NCC(=O)N[C@@H](CCSC)C(O)=O OLWFDNLLBWQWCP-STQMWFEESA-N 0.000 description 1
- JJNXZIPLIXIGBX-HJPIBITLSA-N Tyr-Ile-Cys Chemical compound CC[C@H](C)[C@@H](C(=O)N[C@@H](CS)C(=O)O)NC(=O)[C@H](CC1=CC=C(C=C1)O)N JJNXZIPLIXIGBX-HJPIBITLSA-N 0.000 description 1
- NSGZILIDHCIZAM-KKUMJFAQSA-N Tyr-Leu-Ser Chemical compound CC(C)C[C@@H](C(=O)N[C@@H](CO)C(=O)O)NC(=O)[C@H](CC1=CC=C(C=C1)O)N NSGZILIDHCIZAM-KKUMJFAQSA-N 0.000 description 1
- GZUIDWDVMWZSMI-KKUMJFAQSA-N Tyr-Lys-Cys Chemical compound NCCCC[C@@H](C(=O)N[C@@H](CS)C(O)=O)NC(=O)[C@@H](N)CC1=CC=C(O)C=C1 GZUIDWDVMWZSMI-KKUMJFAQSA-N 0.000 description 1
- AUZADXNWQMBZOO-JYJNAYRXSA-N Tyr-Pro-Arg Chemical compound C([C@H](N)C(=O)N1[C@@H](CCC1)C(=O)N[C@@H](CCCN=C(N)N)C(O)=O)C1=CC=C(O)C=C1 AUZADXNWQMBZOO-JYJNAYRXSA-N 0.000 description 1
- SQUMHUZLJDUROQ-YDHLFZDLSA-N Tyr-Val-Asp Chemical compound [H]N[C@@H](CC1=CC=C(O)C=C1)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CC(O)=O)C(O)=O SQUMHUZLJDUROQ-YDHLFZDLSA-N 0.000 description 1
- ZLFHAAGHGQBQQN-AEJSXWLSSA-N Val-Ala-Pro Chemical compound C[C@@H](C(=O)N1CCC[C@@H]1C(=O)O)NC(=O)[C@H](C(C)C)N ZLFHAAGHGQBQQN-AEJSXWLSSA-N 0.000 description 1
- ZLFHAAGHGQBQQN-GUBZILKMSA-N Val-Ala-Pro Natural products CC(C)[C@H](N)C(=O)N[C@@H](C)C(=O)N1CCC[C@H]1C(O)=O ZLFHAAGHGQBQQN-GUBZILKMSA-N 0.000 description 1
- XLDYBRXERHITNH-QSFUFRPTSA-N Val-Asp-Ile Chemical compound CC[C@H](C)[C@@H](C(O)=O)NC(=O)[C@H](CC(O)=O)NC(=O)[C@@H](N)C(C)C XLDYBRXERHITNH-QSFUFRPTSA-N 0.000 description 1
- BMGOFDMKDVVGJG-NHCYSSNCSA-N Val-Asp-Lys Chemical compound CC(C)[C@@H](C(=O)N[C@@H](CC(=O)O)C(=O)N[C@@H](CCCCN)C(=O)O)N BMGOFDMKDVVGJG-NHCYSSNCSA-N 0.000 description 1
- LHADRQBREKTRLR-DCAQKATOSA-N Val-Cys-Leu Chemical compound CC(C)C[C@@H](C(=O)O)NC(=O)[C@H](CS)NC(=O)[C@H](C(C)C)N LHADRQBREKTRLR-DCAQKATOSA-N 0.000 description 1
- OXVPMZVGCAPFIG-BQFCYCMXSA-N Val-Gln-Trp Chemical compound CC(C)[C@@H](C(=O)N[C@@H](CCC(=O)N)C(=O)N[C@@H](CC1=CNC2=CC=CC=C21)C(=O)O)N OXVPMZVGCAPFIG-BQFCYCMXSA-N 0.000 description 1
- KZKMBGXCNLPYKD-YEPSODPASA-N Val-Gly-Thr Chemical compound CC(C)[C@H](N)C(=O)NCC(=O)N[C@@H]([C@@H](C)O)C(O)=O KZKMBGXCNLPYKD-YEPSODPASA-N 0.000 description 1
- OACSGBOREVRSME-NHCYSSNCSA-N Val-His-Asn Chemical compound CC(C)[C@H](N)C(=O)N[C@@H](Cc1cnc[nH]1)C(=O)N[C@@H](CC(N)=O)C(O)=O OACSGBOREVRSME-NHCYSSNCSA-N 0.000 description 1
- HGJRMXOWUWVUOA-GVXVVHGQSA-N Val-Leu-Gln Chemical compound CC(C)C[C@@H](C(=O)N[C@@H](CCC(=O)N)C(=O)O)NC(=O)[C@H](C(C)C)N HGJRMXOWUWVUOA-GVXVVHGQSA-N 0.000 description 1
- RWOGENDAOGMHLX-DCAQKATOSA-N Val-Lys-Ala Chemical compound C[C@@H](C(=O)O)NC(=O)[C@H](CCCCN)NC(=O)[C@H](C(C)C)N RWOGENDAOGMHLX-DCAQKATOSA-N 0.000 description 1
- CKTMJBPRVQWPHU-JSGCOSHPSA-N Val-Phe-Gly Chemical compound CC(C)[C@@H](C(=O)N[C@@H](CC1=CC=CC=C1)C(=O)NCC(=O)O)N CKTMJBPRVQWPHU-JSGCOSHPSA-N 0.000 description 1
- KISFXYYRKKNLOP-IHRRRGAJSA-N Val-Phe-Ser Chemical compound CC(C)[C@@H](C(=O)N[C@@H](CC1=CC=CC=C1)C(=O)N[C@@H](CO)C(=O)O)N KISFXYYRKKNLOP-IHRRRGAJSA-N 0.000 description 1
- SSYBNWFXCFNRFN-GUBZILKMSA-N Val-Pro-Ser Chemical compound CC(C)[C@H](N)C(=O)N1CCC[C@H]1C(=O)N[C@@H](CO)C(O)=O SSYBNWFXCFNRFN-GUBZILKMSA-N 0.000 description 1
- JQTYTBPCSOAZHI-FXQIFTODSA-N Val-Ser-Cys Chemical compound CC(C)[C@@H](C(=O)N[C@@H](CO)C(=O)N[C@@H](CS)C(=O)O)N JQTYTBPCSOAZHI-FXQIFTODSA-N 0.000 description 1
- KRAHMIJVUPUOTQ-DCAQKATOSA-N Val-Ser-His Chemical compound CC(C)[C@@H](C(=O)N[C@@H](CO)C(=O)N[C@@H](CC1=CN=CN1)C(=O)O)N KRAHMIJVUPUOTQ-DCAQKATOSA-N 0.000 description 1
- SDHZOOIGIUEPDY-JYJNAYRXSA-N Val-Ser-Trp Chemical compound C1=CC=C2C(C[C@H](NC(=O)[C@H](CO)NC(=O)[C@@H](N)C(C)C)C(O)=O)=CNC2=C1 SDHZOOIGIUEPDY-JYJNAYRXSA-N 0.000 description 1
- NZYNRRGJJVSSTJ-GUBZILKMSA-N Val-Ser-Val Chemical compound CC(C)[C@H](N)C(=O)N[C@@H](CO)C(=O)N[C@@H](C(C)C)C(O)=O NZYNRRGJJVSSTJ-GUBZILKMSA-N 0.000 description 1
- LCHZBEUVGAVMKS-RHYQMDGZSA-N Val-Thr-Leu Chemical compound CC(C)C[C@H](NC(=O)[C@@H](NC(=O)[C@@H](N)C(C)C)[C@@H](C)O)C(O)=O LCHZBEUVGAVMKS-RHYQMDGZSA-N 0.000 description 1
- USXYVSTVPHELAF-RCWTZXSCSA-N Val-Thr-Met Chemical compound C[C@H]([C@@H](C(=O)N[C@@H](CCSC)C(=O)O)NC(=O)[C@H](C(C)C)N)O USXYVSTVPHELAF-RCWTZXSCSA-N 0.000 description 1
- QPJSIBAOZBVELU-BPNCWPANSA-N Val-Tyr-Ala Chemical compound C[C@@H](C(=O)O)NC(=O)[C@H](CC1=CC=C(C=C1)O)NC(=O)[C@H](C(C)C)N QPJSIBAOZBVELU-BPNCWPANSA-N 0.000 description 1
- BGTDGENDNWGMDQ-KJEVXHAQSA-N Val-Tyr-Thr Chemical compound C[C@H]([C@@H](C(=O)O)NC(=O)[C@H](CC1=CC=C(C=C1)O)NC(=O)[C@H](C(C)C)N)O BGTDGENDNWGMDQ-KJEVXHAQSA-N 0.000 description 1
- ZLNYBMWGPOKSLW-LSJOCFKGSA-N Val-Val-Asp Chemical compound CC(C)[C@H](N)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CC(O)=O)C(O)=O ZLNYBMWGPOKSLW-LSJOCFKGSA-N 0.000 description 1
- JVGDAEKKZKKZFO-RCWTZXSCSA-N Val-Val-Thr Chemical compound C[C@H]([C@@H](C(=O)O)NC(=O)[C@H](C(C)C)NC(=O)[C@H](C(C)C)N)O JVGDAEKKZKKZFO-RCWTZXSCSA-N 0.000 description 1
- 102000018265 Virus Receptors Human genes 0.000 description 1
- 108010066342 Virus Receptors Proteins 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 101150054399 ace2 gene Proteins 0.000 description 1
- 108010081404 acein-2 Proteins 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000001042 affinity chromatography Methods 0.000 description 1
- 108010086434 alanyl-seryl-glycine Proteins 0.000 description 1
- 108010047495 alanylglycine Proteins 0.000 description 1
- 108010011559 alanylphenylalanine Proteins 0.000 description 1
- 108010087924 alanylproline Proteins 0.000 description 1
- 208000026935 allergic disease Diseases 0.000 description 1
- 230000007815 allergy Effects 0.000 description 1
- 230000000840 anti-viral effect Effects 0.000 description 1
- 229940125644 antibody drug Drugs 0.000 description 1
- 108010009111 arginyl-glycyl-glutamic acid Proteins 0.000 description 1
- 108010060035 arginylproline Proteins 0.000 description 1
- 108010038633 aspartylglutamate Proteins 0.000 description 1
- 108010092854 aspartyllysine Proteins 0.000 description 1
- 229960002685 biotin Drugs 0.000 description 1
- 235000020958 biotin Nutrition 0.000 description 1
- 239000011616 biotin Substances 0.000 description 1
- 238000003738 britelite plus Methods 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003593 chromogenic compound Substances 0.000 description 1
- 230000006957 competitive inhibition Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000003235 crystal violet staining Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000029578 entry into host Effects 0.000 description 1
- 244000309457 enveloped RNA virus Species 0.000 description 1
- 239000003574 free electron Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000007499 fusion processing Methods 0.000 description 1
- 108010078144 glutaminyl-glycine Proteins 0.000 description 1
- 108010042598 glutamyl-aspartyl-glycine Proteins 0.000 description 1
- 108010013768 glutamyl-aspartyl-proline Proteins 0.000 description 1
- 108010049041 glutamylalanine Proteins 0.000 description 1
- VPZXBVLAVMBEQI-UHFFFAOYSA-N glycyl-DL-alpha-alanine Natural products OC(=O)C(C)NC(=O)CN VPZXBVLAVMBEQI-UHFFFAOYSA-N 0.000 description 1
- 108010000434 glycyl-alanyl-leucine Proteins 0.000 description 1
- 108010027668 glycyl-alanyl-valine Proteins 0.000 description 1
- 108010067216 glycyl-glycyl-glycine Proteins 0.000 description 1
- 108010050475 glycyl-leucyl-tyrosine Proteins 0.000 description 1
- 108010010147 glycylglutamine Proteins 0.000 description 1
- 108010015792 glycyllysine Proteins 0.000 description 1
- 108010037850 glycylvaline Proteins 0.000 description 1
- 210000002216 heart Anatomy 0.000 description 1
- 108010085325 histidylproline Proteins 0.000 description 1
- 108010018006 histidylserine Proteins 0.000 description 1
- 102000056252 human ACE Human genes 0.000 description 1
- 102000048657 human ACE2 Human genes 0.000 description 1
- 210000005260 human cell Anatomy 0.000 description 1
- 230000003834 intracellular effect Effects 0.000 description 1
- 230000000155 isotopic effect Effects 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 108010044311 leucyl-glycyl-glycine Proteins 0.000 description 1
- 108010044056 leucyl-phenylalanine Proteins 0.000 description 1
- 108010073472 leucyl-prolyl-proline Proteins 0.000 description 1
- 108010091871 leucylmethionine Proteins 0.000 description 1
- 108010057821 leucylproline Proteins 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 108010003700 lysyl aspartic acid Proteins 0.000 description 1
- 108010025153 lysyl-alanyl-alanine Proteins 0.000 description 1
- 108010064235 lysylglycine Proteins 0.000 description 1
- 108010038320 lysylphenylalanine Proteins 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 210000004779 membrane envelope Anatomy 0.000 description 1
- 230000034217 membrane fusion Effects 0.000 description 1
- 108020004999 messenger RNA Proteins 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 239000013642 negative control Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 108010070409 phenylalanyl-glycyl-glycine Proteins 0.000 description 1
- 108010024654 phenylalanyl-prolyl-alanine Proteins 0.000 description 1
- 108010073101 phenylalanylleucine Proteins 0.000 description 1
- 108010073025 phenylalanylphenylalanine Proteins 0.000 description 1
- 239000013612 plasmid Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 108010020755 prolyl-glycyl-glycine Proteins 0.000 description 1
- 230000002685 pulmonary effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000012492 regenerant Substances 0.000 description 1
- 238000003571 reporter gene assay Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 108010069117 seryl-lysyl-aspartic acid Proteins 0.000 description 1
- 108010048397 seryl-lysyl-leucine Proteins 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 239000012089 stop solution Substances 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 208000011580 syndromic disease Diseases 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 108010071097 threonyl-lysyl-proline Proteins 0.000 description 1
- 239000003053 toxin Substances 0.000 description 1
- 231100000765 toxin Toxicity 0.000 description 1
- 238000001890 transfection Methods 0.000 description 1
- 239000012096 transfection reagent Substances 0.000 description 1
- 108091005703 transmembrane proteins Proteins 0.000 description 1
- 102000035160 transmembrane proteins Human genes 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
- 239000012588 trypsin Substances 0.000 description 1
- 108010079202 tyrosyl-alanyl-cysteine Proteins 0.000 description 1
- 108010005834 tyrosyl-alanyl-glycine Proteins 0.000 description 1
- 108010071635 tyrosyl-prolyl-arginine Proteins 0.000 description 1
- 108010052774 valyl-lysyl-glycyl-phenylalanyl-tyrosine Proteins 0.000 description 1
- 108010073969 valyllysine Proteins 0.000 description 1
- 230000007502 viral entry Effects 0.000 description 1
- 230000003612 virological effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K16/00—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
- C07K16/08—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from viruses
- C07K16/10—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from viruses from RNA viruses
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/12—Antivirals
- A61P31/14—Antivirals for RNA viruses
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K39/00—Medicinal preparations containing antigens or antibodies
- A61K2039/505—Medicinal preparations containing antigens or antibodies comprising antibodies
- A61K2039/507—Comprising a combination of two or more separate antibodies
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/50—Immunoglobulins specific features characterized by immunoglobulin fragments
- C07K2317/56—Immunoglobulins specific features characterized by immunoglobulin fragments variable (Fv) region, i.e. VH and/or VL
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/50—Immunoglobulins specific features characterized by immunoglobulin fragments
- C07K2317/56—Immunoglobulins specific features characterized by immunoglobulin fragments variable (Fv) region, i.e. VH and/or VL
- C07K2317/565—Complementarity determining region [CDR]
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/70—Immunoglobulins specific features characterized by effect upon binding to a cell or to an antigen
- C07K2317/76—Antagonist effect on antigen, e.g. neutralization or inhibition of binding
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Virology (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Molecular Biology (AREA)
- General Health & Medical Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Public Health (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oncology (AREA)
- Animal Behavior & Ethology (AREA)
- Communicable Diseases (AREA)
- General Chemical & Material Sciences (AREA)
- Veterinary Medicine (AREA)
- Immunology (AREA)
- Biochemistry (AREA)
- Biophysics (AREA)
- Genetics & Genomics (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Peptides Or Proteins (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
Abstract
本发明涉及一种含有特异性结合于SARS‑CoV‑2的S蛋白受体结合区的单克隆抗体和特异性结合于SARS‑CoV‑2的S蛋白N端结构域的单克隆抗体的抗体组合物,所述抗体组合物相比单抗单独使用,其在新型冠状病毒感染细胞上的中和活性显著提高,分别提高到抗S蛋白受体结合区的6.4倍和抗S蛋白N端结构域的3.8倍,具有显著的协同效应。本发明还涉及所述抗体组合物在制备COVID‑19治疗和/或预防药物中的应用,所述抗体组合物能够通过稳定的工程菌株以及工业化制药方法进行规模化制备,具有巨大的产业化前景。
Description
技术领域
本发明公开了针对SARS-CoV-2的抗体组合物,属于微生物学和免疫学领域。
背景技术
SARS-CoV-2属冠状病毒科(Coro-naviridae)冠状病毒属(Coronavirus),是一类有包膜的单股正链RNA病毒。结构蛋白S可特异性与宿主细胞受体结合,是病毒入侵宿主易感细胞的关键蛋白。不同冠状病毒可利用不同的细胞受体来完成入侵,如SARS-CoV的受体是血管紧张素转化酶2(ACE2),而MERS-CoV的受体是氨基肽酶4(DPP4,也称CD26)。研究证明,氨肽酶N不是SARS-CoV-2的受体,而ACE2可作为SARS-CoV-2的受体。
S蛋白可被宿主蛋白酶裂解为S1与S2两个亚单位,其中S1亚单位位于包膜刺突的顶端,介导病毒与宿主细胞表面的病毒受体结合,是决定病毒入侵易感细胞的关键蛋白;而S2亚单位则形成刺突的茎部,介导病毒包膜与宿主细胞膜融合,促使病毒进入宿主细胞。SARS-CoV-2的S蛋白为一单次跨膜蛋白,N端大部分氨基酸位于膜外(胞外区),C末端约60个氨基酸组成跨膜区和膜内区。
S蛋白胞外区含有1213个氨基酸(YP_009724390.1),分别有S1和S2(YP_009724390.1,Ser686-Pro1213,528个氨基酸)组成。S1含有685个氨基酸,其中N端1-15个氨基酸为信号肽,成熟的S1含有670个氨基酸,中间部分(Arg319-Phe541))为受体结合区RBD(Receptor binding resion,YP_009724390.1),S1的N端称为NTD区。
血管紧张素转化酶2(Angiotensin I converting enzyme 2,ACE2),被证明是新型冠状病毒(severe acute respiratory syndrome coronavirus 2,SARS-CoV-2)重要受体。阻断ACE2结合SARS-CoV的S蛋白的抗体可保护小鼠免受SARS-CoV病毒感染。目前已有研究发现,SARS-CoV-2的RBD序列(包括直接接触ACE2的受体结合基序(Receptor-bindingmotif),RBM)与SARS-CoV的序列相似,SARS-CoV-2RBM中的几个关键残基与人ACE2有良好的相互作用,虽然SARS-CoV-2RBM中的其他几个关键残基与ACE2结合不理想,但这些证据仍表明ACE2为致使人类细胞感染SARS-CoV-2病毒的受体。ACE2 mRNA在支气管和肺实质以及心脏、肾脏和胃肠道中高效表达;这也与新型冠状病毒SARS-CoV-2引起呼吸***、消化道反应为主的症状高度吻合。
目前还没有专门用于预防感染SARS-CoV-2所致的冠状病毒病2019(CoronavirusDisease 2019,COVID-19)的疫苗和治疗COVID-19的特效药物。一般采用非特异性治疗,预防严重的并发症,降低重症发病率和病死率,提高治愈率。研发COVID-19的疫苗和特异治疗药物成为全球应急科研攻关的重要任务。SARS-CoV-2的S刺突蛋白在病毒对宿主细胞的吸附和侵入过程中发挥着重要作用,而通过阻断病毒对宿主细胞的吸附和穿入是特异性预防SARS-CoV-2感染的重要途径。研发针对S蛋白的特异性单抗被认为是COVID-19的特效药,被寄予厚望。
单抗用于传染病治疗,最近比较经典的是埃博拉治疗药物研发,加拿大学者研发的Zmapp(嵌合抗体2G4、4G7和13C6组合而成)。2G4和4G7的中和表位交叉,都作用于Zaire型GP蛋白的柄部,单独使用不具有中和活性,13C6结合于GP蛋白的头部,单独使用不具有中和活性。临床实验使用ZMapp治疗的36个病人中有8人死亡(死亡率22%),而对照组35个病人中有13人死亡(死亡率37%),ZMapp展现出了保护效果。2018年11月,WHO首次多药随机对照试验,用于评估治疗埃博拉的4种药物Zmapp、mAb114、REGN-EB3和Remdesvir的安全性和有效性。使用REGN-EB3和mAb114的患者病死率分别为27%和34%,而使用ZMapp和Remdesvir的患者死亡率分别为49%和53%。REGN-EB3和来自美国国家过敏和传染病研究所(NIAID)的mAb114显示出“显著的存活率”。相比,再生元研发的单抗组合物在临床试验中效果更好。提示组合物也应该是具有高效中和活性的单抗组合,可以发挥协同提高疗效。REGN-COV2是再生元生物公司开发的REGN10933中和单抗和REGN10987中和抗体的混合物,这两种抗体以非竞争性方式与SARS-CoV-2病毒刺突蛋白的受体结合区结合。目前,REGN-COV-2治疗COVID-19住院和非住院患者的评估也已经进入到II/III期研究阶段。
单抗应用于病毒治疗的潜在风险是病毒逃逸突变株的产生,解决途径是采用“鸡尾酒”疗法,同时给予针对不同识别区域或者不同表位的单抗组合物,增强抗病毒效应,同时最大限度克服病毒逃逸突变株。
中国发明专利申请CN111303280A公开了一种靶向新型冠状病毒S蛋白N端结构域的抗体4A8,通过识别表位分析发现,单抗4A8识别的表位位于S1非RBD区。该抗体对于新冠病毒S蛋白具有极高的亲和力,平衡解离常数(KD)为1.00nM,在对Vero E6细胞模型感染SARS-CoV-2的保护效果实验中,显示其IC50达到0.58ug/ml。4A8抗体的获得为中和性抗体治疗COVID-19提供了应用前景,也为“鸡尾酒”疗法治疗COVID-19提供了应用可能。
本发明的目的就是提供一种具有独特结合表位的抗SARS-CoV-2单克隆抗体,所述表位与现有技术已有的抗SARS-CoV-2单克隆抗体明显不同,以期能够与现有技术抗体形成双抗体组合物,所述双抗体组合物能够充分发挥抗体“鸡尾酒”疗法的协同功效,提高阻断新型冠状病毒入侵感染的中和活性,进而提供所述双抗体组合物在制备COVID-19治疗药物中的应用。
发明内容
基于上述发明目的,本发明首先提供了一种双抗体组合物,所述双抗体组合物含有特异性结合于SARS-CoV-2的S蛋白受体结合区的单克隆抗体和特异性结合于SARS-CoV-2的S蛋白非受体结合区的抗体,所述特异性结合于SARS-CoV-2的S蛋白受体结合区的单克隆抗体的重链可变区的CDR1、CDR2和CDR3区的氨基酸序列分别如SEQ ID NO:1第26-33、51-58、97-111位氨基酸序列所示;轻链可变区的CDR1、CDR2和CDR3区的氨基酸序列分别如SEQID NO:5第27-35、52-54、91-100位氨基酸序列所示。
在一个优选的实施方案中,所述特异性结合于SARS-CoV-2的S蛋白受体结合区的单克隆抗体重链可变区的氨基酸序列如SEQ ID NO:1所示,轻链可变区的氨基酸序列如SEQID NO:5所示,在本申请中具有该重链可变区和轻链可变区的抗体被命名为“4B7”。
在一个更为优选的实施方案中,所述特异性结合于SARS-CoV-2的S蛋白非受体结合区的抗体特异性结合于SARS-CoV-2的S蛋白的N端结构域。
更为优选地,所述特异性结合于SARS-CoV-2的S蛋白的N端结构域的抗体的重链可变区的CDR1、CDR2和CDR3区的氨基酸序列分别如SEQ ID NO:11第26-33、51-58、97-117位氨基酸序列所示;轻链可变区的CDR1、CDR2和CDR3区的氨基酸序列分别如SEQ ID NO:12第27-37、55-57、94-102位氨基酸序列所示。
再为优选地,所述特异性结合于SARS-CoV-2的S蛋白的N端结构域的抗体的重链可变区的氨基酸序列如SEQ ID NO:11所示,轻链可变区的氨基酸序列如SEQ ID NO:12所示,在本申请中具有该重链可变区和轻链可变区的抗体被命名为“4A8”。
尤为优选地,所述特异性结合于SARS-CoV-2的S蛋白受体结合区的单克隆抗体和所述特异性结合于SARS-CoV-2的S蛋白非受体结合区的抗体的重链恒定区的氨基酸序列均如SEQ ID NO:3所示,轻链恒定区的氨基酸序列均如SEQ ID NO:7或SEQ ID NO:9所示。
在一个优选的实施方案中,所述特异性结合于SARS-CoV-2的S蛋白受体结合区的单克隆抗体和所述特异性结合于SARS-CoV-2的S蛋白非受体结合区的抗体的配伍比例为1-10:10-1。
在一个更为优选的实施方案中,所述特异性结合于SARS-CoV-2的S蛋白受体结合区的单克隆抗体和所述特异性结合于SARS-CoV-2的S蛋白非受体结合区的抗体的配伍比例为1-2:2-1。
在一个尤为优选的实施方案中,所述特异性结合于SARS-CoV-2的S蛋白受体结合区的单克隆抗体和所述特异性结合于SARS-CoV-2的S蛋白非受体结合区的抗体的配伍比例为2:3或4:3。
其次,本发明提供了上述的抗体组合物的制备方法,所述方法包括将特异性结合于SARS-CoV-2的S蛋白受体结合区的单克隆抗体和所述特异性结合于SARS-CoV-2的S蛋白非受体结合区的抗体混合的步骤。
在一个优选的实施方案中,所述特异性结合于SARS-CoV-2的S蛋白受体结合区的单克隆抗体和所述特异性结合于SARS-CoV-2的S蛋白非受体结合区的抗体按照1-2:2-1的配伍比例混合。
在一个更为优选的实施方案中,所述特异性结合于SARS-CoV-2的S蛋白受体结合区的单克隆抗体和所述特异性结合于SARS-CoV-2的S蛋白非受体结合区的抗体按照2:3或4:3的配伍比例混合。
最后,本发明提供了上述的抗体组合物在制备COVID-19治疗和/或预防药物中的应用。
本发明提供了一种双抗体组合物,所述双抗体组合物含有特异性结合于SARS-CoV-2的S蛋白受体结合区的单克隆抗体和特异性结合于SARS-CoV-2的S蛋白非受体结合区的抗体,所述双抗体组合物的一个具体的实施方案就是靶向新型冠状病毒S蛋白N端结构域的单抗4A8和靶向新型冠状病毒S蛋白受体结合区的单抗4B7形成的组合物,两种抗体单独使用均具有高效中和活性,分别为0.57和0.96nM;该组合物相比较原先的单抗,其在阻断新型冠状病毒入侵感染中中和活性显著提高,分别提高到4A8的3.8倍和4B7的6.4倍,具有显著的协同效应。所述两种抗体协同产生的高效的中和活性显示含有该两种抗体的组合物可以应用于“鸡尾酒”方法治疗和/或预防COVID-19;而且,本发明提供的抗体组合物能够通过稳定的工程菌株以及工业化制药方法进行规模化制备,具有巨大的产业化前景。
附图说明
图1.亲和层析纯化后的单克隆抗体的SDS-PAGE检测图谱;
图2.ELISA检测纯化单抗4B7与S蛋白、S1蛋白、S2蛋白、RBD蛋白的结合活性随浓度变化的曲线图;
图3.BIA core T200测定单抗4B7与S蛋白、S1蛋白、RBD蛋白的亲和力结果输出图;
图4.抗体4B7存在时抗体4A8的结合抑制曲线图;
图5.抗体4A8存在时抗体4B7的结合抑制曲线图;
图6.单抗4B7在假病毒细胞模型上的EC50测定曲线图;
图7.单抗4A8和单抗4B7的协同效应曲线。
具体实施方式
下面结合具体实施例来进一步描述本发明,本发明的优点和特点将会随着描述而更为清楚。但这些实施例仅是范例性的,并不对本发明的权利要求所限定的保护范围构成任何限制。
实施例1.人源抗SARS-CoV-2单克隆抗体的筛选和制备
人源抗SARS-CoV-2单克隆抗体的筛选和制备参照中国发明专利申请CN111303280A公开的方法,本申请通过引用将CN111303280A公开的内容作为本申请说明书的一部分。在本申请之前的研究中,CN111303280A筛选获得了一株抗新型冠状病毒刺突蛋白S的单克隆抗体4A8。通过识别表位分析发现,单抗4A8识别的表位位于S1非RBD区,该抗体对于新冠病毒S蛋白具有极高的亲和力,平衡解离常数(KD)为1.00nM,在对Vero E6细胞模型感染SARS-CoV-2的保护效果实验中,显示其EC50达到0.58ug/ml。
本申请通过上述筛选方法,筛选到了一组抗SARS-CoV-2单克隆抗体。通过对筛选抗体的SDS-PAGE检测分析,结果如图1所示,其中图1的A为非还原SDS-PAGE检测结果,图1的B为还原SDS-PAGE检测结果,泳道1-3为单抗3H3,泳道4为4B7,泳道5为4C12,泳道6为4E1电泳结果。在还原电泳中,预期重链和轻链的分子量分别为50kDa和25kDa,泳道M为分子量标记。在非还原电泳中,预期全分子单抗的分子量为150kDa,符合预期。
对单抗4B7序列的分析结果如下:
重链可变区的氨基酸序列如SEQ ID NO:1所示,重链可变区的CDR1、CDR2和CDR3区的氨基酸序列分别如SEQ ID NO:1第26-33、51-58、97-111位氨基酸序列所示,编码重链可变区的多核苷酸序列由SEQ ID NO:2所示,重链恒定区的氨基酸序列如SEQ ID NO:3所示,编码重链恒定区的多核苷酸序列由SEQ ID NO:4所示;轻链可变区的氨基酸序列如SEQ IDNO:5所示,轻链可变区的CDR1、CDR2和CDR3区的氨基酸序列分别如SEQ ID NO:5第27-35、52-54、91-100位氨基酸序列所示,编码轻链可变区的多核苷酸序列由SEQ ID NO:6所示,轻链恒定区的氨基酸序列如SEQ ID NO:7或9所示,编码轻链恒定区的多核苷酸序列由SEQ IDNO:8或10所示。
实施例2人源抗SARS-CoV-2单克隆抗体4B7与S、S1、S2和RBD的结合活性分析
2.1包被:取重组的S抗原、S1抗原、RBD抗原和S2抗原用包被液稀释至浓度2μg/mL,包被酶标板,每孔100μL,4℃包被过夜。
2.2封闭:每孔加入300μL PBST洗液,洗涤3次×3min/次;拍净孔内液体,加入2%BSA,200μL/孔,37℃封闭1h。
2.3样品孵育:每孔加入300μL PBST洗液,洗涤3次×3min/次;拍净孔内液体,加入PBS稀释后的纯化单抗,首孔9ug/ml,3倍系列稀释100μL/孔,37℃孵育1h。
2.4二抗孵育:洗涤,同上;加入HRP羊抗人FC二抗(1:20000稀释),100μL/孔,37℃孵育1h。
2.5显色:洗涤,同上;每孔加入100μL TMB单组分显色液,37℃显色5min后每孔加50μL终止液终止反应,使用酶标仪检测450nm处的吸光值。使用Graph Pad非线性回归,四参数拟合绘制标准曲线,并根据标准曲线及稀释倍数计算单抗的EC50浓度。
2.6结果:见图2和表1。图2中,圆标曲线表示与S蛋白的检测结果,显示特异结合呈现剂量反应关系;方标曲线表示与S1抗原的检测结果,显示特异结合呈现剂量反应关系;正三角标曲线表示与S2抗原的检测结果,显示不结合;倒三角标曲线显示与RBD的检测结果,显示特异结合呈现剂量反应关系。分析结果证明,单抗4B7识别的表位位于S蛋白,S1区,更具体的是位于RBD区。表1中,单抗4B7与S、S1、RBD均具有高结合活性,说明单抗是RBD特异的。
表1.单抗4B7与S、S1、S2和RBD的结合活性
抗原 | S | S1 | S2 | RBD |
EC<sub>50</sub>(ug/ml) | 0.002156 | 0.001899 | 0.2758 | 0.001808 |
CN111303280A公开的4A8和本申请鉴定的4B7在于新型冠状病毒刺突蛋白S的结合方法具有不同的结合区。单抗4A8与S、S1特异结合,不与RBD结合,单抗4B7与S、S1和RBD均特异结合,上面结果推测二者空间上可能不具有竞争抑制关系。
实施例3.Biacore T200测定单抗与S、S1、RBD抗原的亲和力
测定的基本原理是基于一种表面等离子共振(SPR)的物理光学现象的生物传感分析技术。不必使用荧光标记和同位素标记,从而保持了生物分子的天然活性。当入射光以临界角入射到两种不同透明介质的界面时将产生全反射,且反射光强度在各个角度上都应相同,但若在介质表面镀上一层金属薄膜后,由于入射光可以引起金属中自由电子的共振,从而导致反射光在一定的角度内大大减弱,其中使反射光完全消失的角度称为共振角。共振角会随金属薄膜表面通过的液相的折射率的改变而改变,折射率的变化(RU)又和结合在金属表面的大分子质量成正比。因此,BIA技术可以通过对反应全过程中各种分子反射光的吸收获得初始的数据,并经相关处理获得结果-传感图。
实验步骤:(1)换液:抗体0429-4B7换液到HEPES缓冲液中,nano测定浓度为1.67mg/mL。抗原缓冲液中由于含有Tris,影响包被,需要换液到PBS中,浓度介于0.8-1mg/mL。(2)预富集,确定包被缓冲液pH:S蛋白采用pH4.0的甘氨酸缓冲液,S1和RBD蛋白采用pH5.0的缓冲液。(3)配体固定:使用CM5芯片、氨基偶联试剂盒进行操作,分别将S、S1、RBD蛋白包被在芯片的2、3、4通道,1通道作为参比通道。包被结果:S(437RU)S1(107RU)RBD(41RU)。(4)抗体稀释:最高浓度为100nM,对倍稀释,10个稀释度。最终结果采用25nM、12.5nM、6.25nM、3.125nM、1.5625nM稀释度的曲线进行拟合。(5)结合时间100s,解离时间900s。拟合方法采用1:1model拟合。
分析及结果:通过软件拟合计算得到4B7与S蛋白、S1和RBD的亲和常数,见图3和表2。说明单抗与S、S1和RBD均具有高的亲和力。
表2.单抗4B7与S、S1和RBD抗原的亲和力检测结果
KD(M) | ka(1/Ms) | Kd(1/s) | |
4B7和nCoV S | 4.533E-10 | 9.355E+5 | 4.240E-4 |
4B7和nCoV S1 | 2.170E-10 | 1.609E+6 | 3.492E-4 |
4B7和nCoV RBD | 3.866E-10 | 1.101E+6 | 4.256E-4 |
实施例4.BLI方法4A8和4B7非竞争结合S蛋白
进一步采用薄膜干涉技术测定抗体4A8和4B7是否存在竞争结合,分别检测4A8存在时是否影响4B7与S蛋白的结合或者4B7存在时是否影响4A8与S蛋白的结合。
使用薄膜干涉技术测定抗体4A8和4B7是否竞争结合新冠病毒S蛋白。将生物素标记的S蛋白以10μg/ml包被在生物传染器上,包被至约1nM,而后在缓冲液中校正120s。将3根生物传感器分别浸入35μg/ml的竞争抗体或缓冲液中300s,随后将3根传感器浸入分析抗体或缓冲液中,浸入缓冲液的传感器将用于扣除***偏移误差。竞争百分率=不存在竞争抗体时分析抗体的结合最大值/存在竞争抗体时结合抗体的结合最大值*100%。抑制率>70%表明两种抗体不存在竞争,抑制率<70%且>30%表明两种抗体存在微弱竞争,抑制率<30%表明两种抗体存在竞争。
实验结果如图4、图5和表3所示,图4中,2根生物传感器首先分别与两种竞争抗体4A8或4B7结合,随后2根生物传感器均浸入分析抗体4A8中,在竞争抗体4A8存在的情况下,分析抗体4A8与S蛋白的结合受到完全抑制,竞争率为3.2%。在竞争抗体4B7存在的情况下,4A8的结合抑制率为74.7%,说明4A8的结合未受4B7的抑制。图5中,2根生物传感器首先分别与两种竞争抗体4A8或4B7结合,随后2根生物传感器均浸入分析抗体4B7中,结果显示,在竞争抗体4B7存在的情况下,分析抗体4B7结合受到完全抑制,竞争率为0.2%。在竞争抗体4A8存在的情况下,结合抑制率为88.0%,说明4B7与S蛋白的结合同样未受到4A8的抑制。综上,单抗4A8与4B7不存在与S蛋白的竞争结合。
表3. 4A8或4B7对对方抗体与S蛋白的结合抑制率
实施例5 SARS-CoV-2假病毒细胞模型上中和活性分析
5.1假病毒包装:将编码全长SARS-CoV-2S蛋白的基因(GenBank ID:QHD43416.1)***pDC316载体,得到质粒pDC316-SARS-CoV-2-S。将ACE2基因稳定转染入HEK293细胞,构建稳定表达人ACE2的细胞ACE2-293T细胞。将7.0×106ACE2-293T细胞接种在10cm细胞培养皿中,并在37℃,5%CO2下生长过夜。用Lipofectamine 3000转染试剂(Invitrogen)将pDC316-SARS-CoV-2-S和HIV骨架载体pNL4-3.Luc.R-E-共转染到ACE2-293T细胞中。6小时后更换培养基。转染后48小时收集含有HIV假型病毒和S蛋白的上清液,并通过0.45μm过滤器过滤。然后将上清液等分并保存在-80℃。
5.2稀释抗体:4B7(20200525批,原始浓度8.35mg/ml,稀释到1.67mg/mL)将抗体用DMEM培养基稀释到需要的浓度,首孔浓度为6μg/mL(100μL体系),首孔100μL,吸取50μL加入到下一孔,对倍稀释。每个梯度设置两个复孔。
5.3稀释假病毒:将假病毒与DMEM培养基按照3:7的比例混合,混匀后每孔加入50μL,轻轻混匀。37℃孵育1h。
5.4将ACE2-293T细胞稀释到2×105cells/mL,每孔加入100μL,37℃、5%CO2培养48h。
5.5检测Luciferase读值,使用britelite plus Reporter Gene Assay System(PerkinElmer,6066769)。每孔吸弃100μL培养基,加入100μL britelite plus显色底物,避光孵育2min,用枪头吹吸3次后吸取150μL转移到白色96孔板,使用TECAN SPARK 10M进行读数。
5.6统计分析:没有病毒和抗体的细胞用作空白对照,没有抗体的细胞用作病毒对照。中和百分比计算为(样品信号-空白对照信号)/(病毒对照信号-空白对照信号)×100%。使用GraphPad Prism 7进行统计分析。
结果:见图6(图6横坐标表示对数浓度,纵坐标表示相对阴性对照组的保护率%)。本发明公开的单抗4B7在假病毒模型上EC50是0.052ug/ml(0.35nM)。
实施例6 SARS-CoV-2感染时细胞模型上各抗体中和活性分析
SARS-CoV-2病毒进入宿主细胞是病毒感染的第一步,抑制病毒的进入就可有效阻断病毒感染;SARS-CoV-2病毒包膜刺突蛋白(Spike protein,S)是介导病毒吸附并进入靶细胞的关键蛋白。S蛋白胞外区包括S1和S2,S1介导病毒与细胞表面受体的结合,而S2促进膜融合过程。S1蛋白又包括N端结构域(N terminal region,NTD)和受体结合区(Receptorbindging domain,RBD)。因为RBD在病毒入侵中发挥重要作用,是中和单抗的重要靶标。除RBD区外,NTD和S2区也有中和单抗报道。研发针对RBD不同识别表位或者针对不同区的单抗组合,可能避免病毒逃逸突变。
本研究中的抗体组合物包括针对NTD的单抗4A8(4A8识别抗原表位的进一步晶体解析研究见Science Chi et al.,Science 10.1126/science.abc6952(2020)。本申请通过引证,将该文献作为本申请说明书公开的一部分)和针对RBD的单抗4B7。假病毒模型可以很好的评价4B7,而不适用4A8的活性评价。又因为相比较假病毒活性评价方法,真病毒评价模型更可靠,因此本研究直接选择使用真病毒评价模型。评价方法描述如下:
6.1将Vero E6细胞用0.25%的胰酶消化后,用培养基(DMEM+10%FBS)稀释至3×105cells/mL浓度,接种到96孔细胞培养板中,接种体积100μL/孔,置37℃5%CO2细胞培养箱培养过夜。
6.2实验当天,将纯化单抗用培养基DMEM+2%FBS自初始浓度(4B7单抗初始浓度92.78ug/ml,3倍系列稀释,加入96孔培养板,体积120μL/孔;随即每孔加入120μL COVID-19病毒悬液(用DMEM+2%FBS稀释病毒,加入100TCLD50/孔),充分混匀,置细胞培养箱孵育1h。
6.3弃去96孔板中细胞培养上清,每孔加入200μL共孵育后的病毒-抗体混合悬液;另设置存活对照(不加病毒和抗体)和死亡对照(只加病毒),置37℃5%CO2细胞培养箱继续培养72h。
6.4 72h后弃去细胞培养上清,加入50μL结晶紫染色液室温染色30min,弃去染液,加入200μL/孔纯水,重复洗涤6次。
6.5弃尽洗液,用吸水纸拍干板孔中水份,加入100μL脱色液充分溶解,以OD620为参考,用酶标仪测OD570值;使用OD570为纵坐标(样品OD570-只加病毒对照OD570),抗体浓度(ug/ml)为横坐标,用GraphPad Prism5拟合曲线,计算抗体EC50值。
6.6结果及讨论:单独单抗的中和活性见表4,4A8和4B7具有高中和活性,ACE2-FC和3H3具有中等中和活性,L12、4C12和4E1具有弱中和活性。
表4.单抗单独作用时的细胞水平中和活性比较
4A8 | 4B7 | L12 | 4C12 | ACE2-F<sub>C</sub> | 3H3 | 4E1 | |
识别表位 | NTD | RBD | NTD | RBD | RBD | S2 | S2 |
EC<sub>50</sub>(ug/ml) | 0.57 | 0.96 | 36.58 | 38.52 | 4.53 | 7.48 | 30.97 |
单独和联合应用,优选高中和活性单抗,进一步考察高中和活性单抗4A8和4B7与其他单抗的协同作用(见表5),1:1摩尔比的单抗组合进行实验,实验结果显示4A8和4B7具有明显的协同效应,图7为4A8和4B7的协同效应曲线。实验结果显示,4A8和4B7组成使用的EC50明显小于4A8和4B7单独使用,4A8与其他单抗的协同作用不明显;包括与针对S蛋白其他表位的单抗联合应用,如4A8(识别S蛋白的NTD)与4C12(识别RBD),4A8与3H3(识别S蛋白的S2)均不产生协同效用;同样,4B7与4A8具有明显的协同,与其他单抗的协同不明显。
表5. 1:1摩尔比的单抗组合细胞水平的中和活性(EC50:ug/ml)比较(一)
4A8 | 4B7 | L12 | 4C12 | ACE2-FC | 3H3 | 4E1 | |
4A8 | 0.57 | 0.15 | 0.56 | 0.68 | 0.57 | 2.2 | 1.1 |
4B7 | 0.15 | 0.96 | 1.02 | 1.09 | 1.79 | 0.78 | 1.4 |
为了筛选到能够产生协同效应的针对不同表位的单抗组合,又进行下述实验。L12单抗识别S蛋白的NTD,4C12识别S蛋白RBD,考察它们与不同单抗的协同效应,结果见表6。L12和4C12联合使用不具有协同效应。与其他单抗也不具有明显的协同效应。实验证明并不是针对不同表位的单抗联合使用就能产生协同效应。
表6. 1:1摩尔比的单抗组合细胞水平的中和活性(EC50:ug/ml)比较(二)
4A8 | 4B7 | L12 | 4C12 | ACE2-FC | 3H3 | 4E1 | |
L12 | 0.56 | 1.02 | 36.58 | 38.52 | 10.04 | 23.64 | - |
4C12 | 0.68 | 1.09 | 38.52 | 20.45 | 13.87 | - | - |
为了进一步优化摩尔比,采用不同摩尔比的4A8和4B7的混合物进行中和活性检测,结果(见表7)显示不同摩尔比组别之间具有一定的差异,在4A8和4B7摩尔比为2:3和3:4时,中和活性(EC50:ug/ml)达到最优的0.08,但是在4A8和4B7摩尔比为1-2:2-1的范围内,中和活性的差异并不显著,均显著高于4A8或4B7的单独应用,以及4A8或4B7与除及4A8和4B7之外的抗体的组合应用。考虑到抗体药物在实际应用中的有效浓度可以保持在一个较广泛的范围,本领域技术人员能够合理预见,4A8和4B7的摩尔比在一个更大的范围例如1-4:4-1,甚至更大的范围例如1-10:10-1仍然可以发挥充分的协同效应。又由于考虑到应用的简单、方便性,实际应用中推荐4A8和4B7摩尔比为1:1的组合。
表7.不同摩尔比的4A8和4B7的细胞水平的中和活性比较
1:1 | 2:3 | 3:2 | 3:4 | 4:3 | |
EC50 | 0.13 | 0.08 | 0.22 | 0.13 | 0.08 |
序列表
<110> 中国人民解放军军事科学院军事医学研究院
<120> 一种双抗体组合物及在制备COVID-19治疗药物中的应用
<160> 12
<170> SIPOSequenceListing 1.0
<210> 1
<211> 122
<212> PRT
<213> Homo sapiens
<400> 1
Glu Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Pro Gly Gly
1 5 10 15
Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Pro Phe Ser Ser Tyr
20 25 30
Ala Met Ser Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val
35 40 45
Ser Ala Ile Thr Gly Ser Gly Gly Ser Thr Tyr Tyr Ala Asp Ser Val
50 55 60
Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ser Lys Asn Thr Leu Tyr
65 70 75 80
Leu His Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys
85 90 95
Ala Lys Asp Asp Tyr Gly Asp Tyr Val Leu Gly Ala Phe Asp Ile Trp
100 105 110
Gly Gln Gly Thr Thr Val Thr Val Ser Ser
115 120
<210> 2
<211> 366
<212> DNA
<213> Homo sapiens
<400> 2
gaggtgcagc tggtggagtc tgggggaggc ttggtacagc ctggggggtc cctgagactc 60
tcctgtgcag cctctggatt cccctttagc agctatgcca tgagctgggt ccgccaggct 120
ccagggaagg ggctggagtg ggtctcagct attactggta gtggtggtag cacatactac 180
gcagactccg tgaagggccg gttcaccatc tccagagaca attccaagaa cacgctctat 240
ctgcatatga acagcctgag agccgaggac acggccgtat attactgtgc gaaggatgac 300
tacggtgact acgtcttggg tgcttttgat atctggggcc aagggacaac ggtcaccgtc 360
tcctca 366
<210> 3
<211> 330
<212> PRT
<213> Homo sapiens
<400> 3
Ala Ser Thr Lys Gly Pro Ser Val Phe Pro Leu Ala Pro Ser Ser Lys
1 5 10 15
Ser Thr Ser Gly Gly Thr Ala Ala Leu Gly Cys Leu Val Lys Asp Tyr
20 25 30
Phe Pro Glu Pro Val Thr Val Ser Trp Asn Ser Gly Ala Leu Thr Ser
35 40 45
Gly Val His Thr Phe Pro Ala Val Leu Gln Ser Ser Gly Leu Tyr Ser
50 55 60
Leu Ser Ser Val Val Thr Val Pro Ser Ser Ser Leu Gly Thr Gln Thr
65 70 75 80
Tyr Ile Cys Asn Val Asn His Lys Pro Ser Asn Thr Lys Val Asp Lys
85 90 95
Lys Val Glu Pro Lys Ser Cys Asp Lys Thr His Thr Cys Pro Pro Cys
100 105 110
Pro Ala Pro Glu Leu Leu Gly Gly Pro Ser Val Phe Leu Phe Pro Pro
115 120 125
Lys Pro Lys Asp Thr Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys
130 135 140
Val Val Val Asp Val Ser His Glu Asp Pro Glu Val Lys Phe Asn Trp
145 150 155 160
Tyr Val Asp Gly Val Glu Val His Asn Ala Lys Thr Lys Pro Arg Glu
165 170 175
Glu Gln Tyr Asn Ser Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu
180 185 190
His Gln Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn
195 200 205
Lys Ala Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly
210 215 220
Gln Pro Arg Glu Pro Gln Val Tyr Thr Leu Pro Pro Ser Arg Asp Glu
225 230 235 240
Leu Thr Lys Asn Gln Val Ser Leu Thr Cys Leu Val Lys Gly Phe Tyr
245 250 255
Pro Ser Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn
260 265 270
Asn Tyr Lys Thr Thr Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe
275 280 285
Leu Tyr Ser Lys Leu Thr Val Asp Lys Ser Arg Trp Gln Gln Gly Asn
290 295 300
Val Phe Ser Cys Ser Val Met His Glu Ala Leu His Asn His Tyr Thr
305 310 315 320
Gln Lys Ser Leu Ser Leu Ser Pro Gly Lys
325 330
<210> 4
<211> 993
<212> DNA
<213> Homo sapiens
<400> 4
gctagcacca agggcccatc ggtcttcccc ctggcaccct cctccaagag cacctctggg 60
ggcacagcgg ccctgggctg cctggtcaag gactacttcc ccgaaccggt gacggtgtcg 120
tggaactcag gcgccctgac cagcggcgtg cacaccttcc cggctgtcct acagtcctca 180
ggactctact ccctcagcag cgtggtgacc gtgccctcca gcagcttggg cacccagacc 240
tacatctgca acgtgaatca caagcccagc aacaccaagg tggacaagaa agttgagccc 300
aaatcttgtg acaaaactca cacatgccca ccgtgcccag cacctgaact cctgggggga 360
ccgtcagtct tcctcttccc cccaaaaccc aaggacaccc tcatgatctc ccggacccct 420
gaggtcacat gcgtggtggt ggacgtgagc cacgaagacc ctgaggtcaa gttcaactgg 480
tacgtggacg gcgtggaggt gcataatgcc aagacaaagc cgcgggagga gcagtacaac 540
agcacgtacc gtgtggtcag cgtcctcacc gtcctgcacc aggactggct gaatggcaag 600
gagtacaagt gcaaggtctc caacaaagcc ctcccagccc ccatcgagaa aaccatctcc 660
aaagccaaag ggcagccccg agaaccacag gtgtacaccc tgcctccatc tcgggatgag 720
ctgaccaaga accaggtcag cctgacctgc ctggtcaaag gcttctatcc cagcgacatc 780
gccgtggagt gggagagcaa tgggcagccg gagaacaact acaagaccac gcctcccgtg 840
ctggactccg acggctcctt cttcctctat agcaagctca ccgtggacaa gagcaggtgg 900
cagcagggga acgtcttctc atgctccgtg atgcatgagg ctctgcacaa ccactacacg 960
cagaagagcc tctccctgtc tccgggtaaa tga 993
<210> 5
<211> 110
<212> PRT
<213> Homo sapiens
<400> 5
Gln Ser Ala Leu Thr Gln Pro Ala Ser Val Ser Gly Ser Pro Gly Gln
1 5 10 15
Ser Ile Thr Ile Ser Cys Thr Gly Thr Ser Ser Asp Val Gly Thr Tyr
20 25 30
Lys Phe Val Ser Trp Tyr Gln Gln His Pro Gly Lys Ala Pro Lys Leu
35 40 45
Met Ile Tyr Glu Gly Ser Lys Arg Pro Ser Gly Val Ser Asn Arg Phe
50 55 60
Ser Gly Ser Lys Ser Gly Asn Thr Ala Ser Leu Thr Ile Ser Gly Leu
65 70 75 80
Gln Ala Glu Asp Glu Ala Asp Tyr Tyr Cys Cys Ser Tyr Ala Gly Ser
85 90 95
Ser Thr Leu Val Phe Gly Gly Gly Thr Lys Leu Thr Val Leu
100 105 110
<210> 6
<211> 330
<212> DNA
<213> Homo sapiens
<400> 6
cagtctgccc tgactcagcc tgcctccgtg tctgggtctc ctggacagtc gatcaccatc 60
tcctgcactg gaaccagcag tgatgttggg acttataagt ttgtctcctg gtaccaacag 120
cacccaggca aagcccccaa actcatgatt tatgagggca gtaagcggcc ctcaggggtt 180
tctaatcgct tctctggctc caagtctggc aacacggcct ccctgacaat ctctgggctc 240
caggctgagg acgaggctga ttattactgc tgctcatatg caggtagtag cactttggtg 300
ttcggcggag ggaccaagct gaccgtccta 330
<210> 7
<211> 107
<212> PRT
<213> Homo sapiens
<400> 7
Arg Thr Val Ala Ala Pro Ser Val Phe Ile Phe Pro Pro Ser Asp Glu
1 5 10 15
Gln Leu Lys Ser Gly Thr Ala Ser Val Val Cys Leu Leu Asn Asn Phe
20 25 30
Tyr Pro Arg Glu Ala Lys Val Gln Trp Lys Val Asp Asn Ala Leu Gln
35 40 45
Ser Gly Asn Ser Gln Glu Ser Val Thr Glu Gln Asp Ser Lys Asp Ser
50 55 60
Thr Tyr Ser Leu Ser Ser Thr Leu Thr Leu Ser Lys Ala Asp Tyr Glu
65 70 75 80
Lys His Lys Val Tyr Ala Cys Glu Val Thr His Gln Gly Leu Ser Ser
85 90 95
Pro Val Thr Lys Ser Phe Asn Arg Gly Glu Cys
100 105
<210> 8
<211> 324
<212> DNA
<213> Homo sapiens
<400> 8
cggaccgtgg cggcgccatc tgtcttcatc ttcccgccat ctgatgagca gttgaaatct 60
ggtaccgcta gcgttgtgtg cctgctgaat aacttctatc ccagagaggc caaagtacag 120
tggaaggtgg ataacgccct ccaatcgggt aactcccagg agagtgtcac agagcaggac 180
agcaaggaca gcacctacag cctcagcagc accctgacgc tgagcaaagc agactacgag 240
aaacacaaag tctacgcctg cgaagtcacc catcagggcc tgagctcgcc cgtcacaaag 300
agcttcaaca ggggagagtg ttag 324
<210> 9
<211> 106
<212> PRT
<213> Homo sapiens
<400> 9
Gly Gln Pro Lys Ala Ala Pro Ser Val Thr Leu Phe Pro Pro Ser Ser
1 5 10 15
Glu Glu Leu Gln Ala Asn Lys Ala Thr Leu Val Cys Leu Ile Ser Asp
20 25 30
Phe Tyr Pro Gly Ala Val Thr Val Ala Trp Lys Ala Asp Ser Ser Pro
35 40 45
Val Lys Ala Gly Val Glu Thr Thr Thr Pro Ser Lys Gln Ser Asn Asn
50 55 60
Lys Tyr Ala Ala Ser Ser Tyr Leu Ser Leu Thr Pro Glu Gln Trp Lys
65 70 75 80
Ser His Lys Ser Tyr Ser Cys Gln Val Thr His Glu Gly Ser Thr Val
85 90 95
Glu Lys Thr Val Ala Pro Thr Glu Cys Ser
100 105
<210> 10
<211> 321
<212> DNA
<213> Homo sapiens
<400> 10
ggtcagccca aggctgcccc ctcggtcact ctgttcccac cctcgagtga ggagcttcaa 60
gccaacaagg ccacactggt gtgtctcata agtgacttct acccgggagc cgtgacagtg 120
gcctggaagg cagatagcag ccccgtcaag gcgggagtgg agaccaccac accctccaaa 180
caaagcaaca acaagtacgc ggccagcagc tacctgagcc tgacgcctga gcagtggaag 240
tcccacaaaa gctacagctg ccaggtcacg catgaaggga gcaccgtgga gaagacagtg 300
gcccctacag aatgttcata a 321
<210> 11
<211> 128
<212> PRT
<213> Homo sapiens
<400> 11
Glu Val Gln Leu Val Glu Ser Gly Ala Glu Val Lys Lys Pro Gly Ala
1 5 10 15
Ser Val Lys Val Ser Cys Lys Val Ser Gly Tyr Thr Leu Thr Glu Leu
20 25 30
Ser Met His Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Met
35 40 45
Gly Gly Phe Asp Pro Glu Asp Gly Glu Thr Met Tyr Ala Gln Lys Phe
50 55 60
Gln Gly Arg Val Thr Met Thr Glu Asp Thr Ser Thr Asp Thr Ala Tyr
65 70 75 80
Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys
85 90 95
Ala Thr Ser Thr Ala Val Ala Gly Thr Pro Asp Leu Phe Asp Tyr Tyr
100 105 110
Tyr Gly Met Asp Val Trp Gly Gln Gly Thr Thr Val Thr Val Ser Ser
115 120 125
<210> 12
<211> 112
<212> PRT
<213> Homo sapiens
<400> 12
Glu Ile Val Met Thr Gln Ser Pro Leu Ser Ser Pro Val Thr Leu Gly
1 5 10 15
Gln Pro Ala Ser Ile Ser Cys Arg Ser Ser Gln Ser Leu Val His Ser
20 25 30
Asp Gly Asn Thr Tyr Leu Ser Trp Leu Gln Gln Arg Pro Gly Gln Pro
35 40 45
Pro Arg Leu Leu Ile Tyr Lys Ile Ser Asn Arg Phe Ser Gly Val Pro
50 55 60
Asp Arg Phe Ser Gly Ser Gly Ala Gly Thr Asp Phe Thr Leu Lys Ile
65 70 75 80
Ser Arg Val Glu Ala Glu Asp Val Gly Val Tyr Tyr Cys Thr Gln Ala
85 90 95
Thr Gln Phe Pro Tyr Thr Phe Gly Gln Gly Thr Lys Val Asp Ile Lys
100 105 110
Claims (11)
1.一种抗体组合物,所述抗体组合物含有特异性结合于SARS-CoV-2的S蛋白受体结合区的单克隆抗体和特异性结合于SARS-CoV-2的S蛋白的N端结构域的抗体,其特征在于,所述特异性结合于SARS-CoV-2的S蛋白受体结合区的单克隆抗体的重链可变区的CDR1、CDR2和CDR3区的氨基酸序列分别如SEQ ID NO:1第26-33、51-58、97-111位氨基酸序列所示;轻链可变区的CDR1、CDR2和CDR3区的氨基酸序列分别如SEQ ID NO:5第27-35、52-54、91-100位氨基酸序列所示;所述特异性结合于SARS-CoV-2的S蛋白的N端结构域的抗体的重链可变区的CDR1、CDR2和CDR3区的氨基酸序列分别如SEQ ID NO:11第26-33、51-58、97-117位氨基酸序列所示;轻链可变区的CDR1、CDR2和CDR3区的氨基酸序列分别如SEQ ID NO:12第27-37、55-57、94-102位氨基酸序列所示。
2.根据权利要求1所述的抗体组合物,其特征在于,所述特异性结合于SARS-CoV-2的S蛋白受体结合区的单克隆抗体的重链可变区的氨基酸序列如SEQ ID NO:1所示,轻链可变区的氨基酸序列如SEQ ID NO: 5所示。
3.根据权利要求1所述的抗体组合物,其特征在于,所述特异性结合于SARS-CoV-2的S蛋白的N端结构域的抗体的重链可变区的氨基酸序列如SEQ ID NO:11所示,轻链可变区的氨基酸序列如SEQ ID NO: 12所示。
4.根据权利要求3所述的抗体组合物,其特征在于,所述特异性结合于SARS-CoV-2的S蛋白受体结合区的单克隆抗体和所述特异性结合于SARS-CoV-2的S蛋白的N端结构域的抗体的重链恒定区的氨基酸序列均如SEQ ID NO:3所示,轻链恒定区的氨基酸序列均如SEQID NO:7或SEQ ID NO:9所示。
5.根据权利要求1-4任一所述的抗体组合物,其特征在于,所述特异性结合于SARS-CoV-2的S蛋白受体结合区的单克隆抗体和所述特异性结合于SARS-CoV-2的S蛋白的N端结构域的抗体的配伍比例为摩尔比1-10:10-1。
6.根据权利要求5所述的抗体组合物,其特征在于,所述特异性结合于SARS-CoV-2的S蛋白受体结合区的单克隆抗体和所述特异性结合于SARS-CoV-2的S蛋白的N端结构域的抗体的配伍比例为摩尔比1-2:2-1。
7.根据权利要求6所述的抗体组合物,其特征在于,所述特异性结合于SARS-CoV-2的S蛋白受体结合区的单克隆抗体和所述特异性结合于SARS-CoV-2的S蛋白的N端结构域的抗体的配伍比例为摩尔比2:3或4:3。
8.权利要求1-4任一所述的抗体组合物的制备方法,所述方法包括将特异性结合于SARS-CoV-2的S蛋白受体结合区的单克隆抗体和所述特异性结合于SARS-CoV-2的S蛋白的N端结构域的抗体混合的步骤。
9.根据权利要求8所述的抗体组合物的制备方法,其特征在于,所述特异性结合于SARS-CoV-2的S蛋白受体结合区的单克隆抗体和所述特异性结合于SARS-CoV-2的S蛋白的N端结构域的抗体按照1-2:2-1的配伍比例混合。
10.根据权利要求9所述的抗体组合物的制备方法,其特征在于,所述特异性结合于SARS-CoV-2的S蛋白受体结合区的单克隆抗体和所述特异性结合于SARS-CoV-2的S蛋白的N端结构域的抗体按照2:3或4:3的配伍比例混合。
11.权利要求1-4任一所述的抗体组合物在制备COVID-19治疗和/或预防药物中的应用。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010998661.3A CN112076316B (zh) | 2020-09-21 | 2020-09-21 | 一种双抗体组合物及在制备covid-19治疗药物中的应用 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010998661.3A CN112076316B (zh) | 2020-09-21 | 2020-09-21 | 一种双抗体组合物及在制备covid-19治疗药物中的应用 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN112076316A CN112076316A (zh) | 2020-12-15 |
CN112076316B true CN112076316B (zh) | 2022-10-11 |
Family
ID=73738317
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010998661.3A Active CN112076316B (zh) | 2020-09-21 | 2020-09-21 | 一种双抗体组合物及在制备covid-19治疗药物中的应用 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112076316B (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7116256B1 (ja) | 2020-04-02 | 2022-08-09 | リジェネロン・ファーマシューティカルズ・インコーポレイテッド | 抗sars-cov-2-スパイク糖タンパク質抗体および抗原結合断片 |
CR20220660A (es) | 2020-06-03 | 2023-02-17 | Regeneron Pharma | Métodos para tratar o prevenir infecciones por sars-cov2 y covid-19 con anticuerpos de glicoproteína espícular anti-sars-cov-2 |
CN113820495B (zh) * | 2021-08-26 | 2024-01-26 | 首都医科大学附属北京地坛医院 | 新冠病毒包膜蛋白中和抗体活性评价方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111303280A (zh) * | 2020-03-22 | 2020-06-19 | 中国人民解放军军事科学院军事医学研究院 | 高中和活性抗SARS-CoV-2全人源单克隆抗体及应用 |
CN111620945A (zh) * | 2020-05-09 | 2020-09-04 | 江苏省疾病预防控制中心(江苏省公共卫生研究院) | 一种抗新型冠状病毒的单克隆抗体或其衍生体 |
-
2020
- 2020-09-21 CN CN202010998661.3A patent/CN112076316B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111303280A (zh) * | 2020-03-22 | 2020-06-19 | 中国人民解放军军事科学院军事医学研究院 | 高中和活性抗SARS-CoV-2全人源单克隆抗体及应用 |
CN111620945A (zh) * | 2020-05-09 | 2020-09-04 | 江苏省疾病预防控制中心(江苏省公共卫生研究院) | 一种抗新型冠状病毒的单克隆抗体或其衍生体 |
Non-Patent Citations (3)
Title |
---|
A neutralizing human antibody binds to the N-terminal domain of the spike protein of SARS-CoV-2;Xiangyang Chi等;《Science》;20200807;第369卷;第650-655页 * |
Therapeutic antibodies and fusion inhibitors targeting the spike protein of SARS-CoV-2;Shibo Jiang等;《Expert Opinion on Therapeutic Targets》;20200917;第25卷;第415-421页 * |
新型冠状病毒中和抗体的研发策略及研究进展;杜剑晖等;《中国生物制品学杂志》;20200915;第33卷(第9期);第1070-1075页 * |
Also Published As
Publication number | Publication date |
---|---|
CN112076316A (zh) | 2020-12-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN111732655B (zh) | 靶向RBD的高中和活性抗SARS-CoV-2全人源单克隆抗体及应用 | |
CN111592594B (zh) | 一种抗新型冠状病毒的单克隆抗体及其应用 | |
CN111303280B (zh) | 高中和活性抗SARS-CoV-2全人源单克隆抗体及应用 | |
CN112076316B (zh) | 一种双抗体组合物及在制备covid-19治疗药物中的应用 | |
CN114031685B (zh) | 一种全人源抗新冠病毒中和抗体zw2g10及应用 | |
CN114044821B (zh) | 一种抗新冠病毒全人源广谱中和抗体zwc12及应用 | |
CN113512114B (zh) | 针对SARS-CoV-2突变株的抗体及其用途 | |
CN112625125B (zh) | 一株中和新型冠状病毒感染的单抗 | |
CN113735969A (zh) | 一种全人源抗新冠病毒广谱高中和活性单克隆抗体及应用 | |
CN114605528B (zh) | 一种抗裂谷热病毒的单克隆抗体a38及应用 | |
CN113735970A (zh) | 一种抗新冠病毒全人源广谱中和抗体及应用 | |
CN114989291B (zh) | 一种靶向RBD的抗SARS-CoV-2全人源化单克隆抗体及应用 | |
CN113671184B (zh) | 一种检测SARS-CoV-2中和抗体的试剂盒及方法 | |
CN113683690B (zh) | 针对黄热病毒ns1蛋白的抗体及其应用 | |
CN113968907B (zh) | 具有中和活性的抗尼帕病毒单克隆抗体及应用 | |
CN110903386B (zh) | 一种高中和活性抗基孔肯雅热的全人源单克隆抗体及应用 | |
CN110922478B (zh) | 针对特异表位的抗基孔肯雅热的全人源单克隆抗体及应用 | |
CN111138527B (zh) | 抗埃博拉病毒糖蛋白gp1亚基的单克隆抗体4f1及应用 | |
CN114989292B (zh) | 一种抗SARS-CoV-2全人源化单克隆抗体及应用 | |
CN114634565B (zh) | 一种抗裂谷热病毒的单克隆抗体e44及应用 | |
CN111138526B (zh) | 一种抗埃博拉病毒糖蛋白gp2亚基的单克隆抗体2g1及应用 | |
CN114469919B (zh) | Dha或其衍生物在制备冠状病毒抑制剂中的应用 | |
CN111138530B (zh) | 具有独特结合位点的抗ebov的单克隆抗体5e9及应用 | |
KR101896882B1 (ko) | Vegfr2에 특이적으로 결합하는 항체 | |
CN111138531A (zh) | 特异结合于ebov的gp1亚基的单克隆抗体8f9及应用 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |