CN109593702B - 一种基因工程菌株实现全细胞转化合成l-苯乳酸的方法 - Google Patents
一种基因工程菌株实现全细胞转化合成l-苯乳酸的方法 Download PDFInfo
- Publication number
- CN109593702B CN109593702B CN201910044513.5A CN201910044513A CN109593702B CN 109593702 B CN109593702 B CN 109593702B CN 201910044513 A CN201910044513 A CN 201910044513A CN 109593702 B CN109593702 B CN 109593702B
- Authority
- CN
- China
- Prior art keywords
- ala
- phenyllactic acid
- gly
- val
- asp
- 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
- VOXXWSYKYCBWHO-QMMMGPOBSA-N (S)-3-phenyllactic acid Chemical compound OC(=O)[C@@H](O)CC1=CC=CC=C1 VOXXWSYKYCBWHO-QMMMGPOBSA-N 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000010307 cell transformation Effects 0.000 title abstract description 11
- 230000002194 synthesizing effect Effects 0.000 title abstract description 9
- 238000010353 genetic engineering Methods 0.000 title abstract description 8
- 108010078226 phenylalanine oxidase Proteins 0.000 claims abstract description 17
- COLNVLDHVKWLRT-QMMMGPOBSA-N L-phenylalanine Chemical compound OC(=O)[C@@H](N)CC1=CC=CC=C1 COLNVLDHVKWLRT-QMMMGPOBSA-N 0.000 claims abstract description 16
- 108090000854 Oxidoreductases Proteins 0.000 claims abstract description 15
- 108090000623 proteins and genes Proteins 0.000 claims abstract description 14
- 239000000758 substrate Substances 0.000 claims abstract description 10
- 229960005190 phenylalanine Drugs 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims description 26
- 239000013612 plasmid Substances 0.000 claims description 18
- 241000894006 Bacteria Species 0.000 claims description 16
- 102000004190 Enzymes Human genes 0.000 claims description 12
- 108090000790 Enzymes Proteins 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 10
- 238000001976 enzyme digestion Methods 0.000 claims description 6
- 239000001963 growth medium Substances 0.000 claims description 6
- 150000001413 amino acids Chemical group 0.000 claims description 5
- 238000012258 culturing Methods 0.000 claims description 5
- BPHPUYQFMNQIOC-NXRLNHOXSA-N isopropyl beta-D-thiogalactopyranoside Chemical compound CC(C)S[C@@H]1O[C@H](CO)[C@H](O)[C@H](O)[C@H]1O BPHPUYQFMNQIOC-NXRLNHOXSA-N 0.000 claims description 5
- 239000013598 vector Substances 0.000 claims description 5
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims description 4
- 229920001213 Polysorbate 20 Polymers 0.000 claims description 4
- 239000013504 Triton X-100 Substances 0.000 claims description 4
- 229920004890 Triton X-100 Polymers 0.000 claims description 4
- 239000000256 polyoxyethylene sorbitan monolaurate Substances 0.000 claims description 4
- 235000010486 polyoxyethylene sorbitan monolaurate Nutrition 0.000 claims description 4
- 239000013604 expression vector Substances 0.000 claims description 3
- 239000012880 LB liquid culture medium Substances 0.000 claims description 2
- 239000011942 biocatalyst Substances 0.000 claims description 2
- 239000000411 inducer Substances 0.000 claims description 2
- 238000011081 inoculation Methods 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 241000588724 Escherichia coli Species 0.000 abstract description 23
- 230000015572 biosynthetic process Effects 0.000 abstract description 13
- 238000003786 synthesis reaction Methods 0.000 abstract description 11
- 229930027945 nicotinamide-adenine dinucleotide Natural products 0.000 abstract description 10
- BOPGDPNILDQYTO-NNYOXOHSSA-N nicotinamide-adenine dinucleotide Chemical compound C1=CCC(C(=O)N)=CN1[C@H]1[C@H](O)[C@H](O)[C@@H](COP(O)(=O)OP(O)(=O)OC[C@@H]2[C@H]([C@@H](O)[C@@H](O2)N2C3=NC=NC(N)=C3N=C2)O)O1 BOPGDPNILDQYTO-NNYOXOHSSA-N 0.000 abstract description 10
- BAWFJGJZGIEFAR-NNYOXOHSSA-O NAD(+) Chemical compound NC(=O)C1=CC=C[N+]([C@H]2[C@@H]([C@H](O)[C@@H](COP(O)(=O)OP(O)(=O)OC[C@@H]3[C@H]([C@@H](O)[C@@H](O3)N3C4=NC=NC(N)=C4N=C3)O)O2)O)=C1 BAWFJGJZGIEFAR-NNYOXOHSSA-O 0.000 abstract description 9
- 239000004094 surface-active agent Substances 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 2
- 210000004027 cell Anatomy 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 230000004186 co-expression Effects 0.000 description 10
- 102000004316 Oxidoreductases Human genes 0.000 description 9
- 101150019587 PDH gene Proteins 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 6
- 239000013613 expression plasmid Substances 0.000 description 5
- 238000000855 fermentation Methods 0.000 description 5
- 230000004151 fermentation Effects 0.000 description 5
- 230000009466 transformation Effects 0.000 description 5
- NWCHELUCVWSRRS-SECBINFHSA-N (2r)-2-hydroxy-2-phenylpropanoic acid Chemical compound OC(=O)[C@@](O)(C)C1=CC=CC=C1 NWCHELUCVWSRRS-SECBINFHSA-N 0.000 description 4
- 241000186605 Lactobacillus paracasei Species 0.000 description 4
- 102000003960 Ligases Human genes 0.000 description 4
- 108090000364 Ligases Proteins 0.000 description 4
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 description 4
- 230000001580 bacterial effect Effects 0.000 description 4
- 229930027917 kanamycin Natural products 0.000 description 4
- SBUJHOSQTJFQJX-NOAMYHISSA-N kanamycin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CN)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O[C@@H]2[C@@H]([C@@H](N)[C@H](O)[C@@H](CO)O2)O)[C@H](N)C[C@@H]1N SBUJHOSQTJFQJX-NOAMYHISSA-N 0.000 description 4
- 229960000318 kanamycin Drugs 0.000 description 4
- 229930182823 kanamycin A Natural products 0.000 description 4
- BTNMPGBKDVTSJY-UHFFFAOYSA-N keto-phenylpyruvic acid Chemical compound OC(=O)C(=O)CC1=CC=CC=C1 BTNMPGBKDVTSJY-UHFFFAOYSA-N 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 241000193408 Bacillus badius Species 0.000 description 3
- 241000880493 Leptailurus serval Species 0.000 description 3
- BAWFJGJZGIEFAR-NNYOXOHSSA-N NAD zwitterion Chemical compound NC(=O)C1=CC=C[N+]([C@H]2[C@@H]([C@H](O)[C@@H](COP([O-])(=O)OP(O)(=O)OC[C@@H]3[C@H]([C@@H](O)[C@@H](O3)N3C4=NC=NC(N)=C4N=C3)O)O2)O)=C1 BAWFJGJZGIEFAR-NNYOXOHSSA-N 0.000 description 3
- 241001052560 Thallis Species 0.000 description 3
- 238000000246 agarose gel electrophoresis Methods 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000012634 fragment Substances 0.000 description 3
- 108010036413 histidylglycine Proteins 0.000 description 3
- 238000009776 industrial production Methods 0.000 description 3
- 108010044311 leucyl-glycyl-glycine Proteins 0.000 description 3
- 229950006238 nadide Drugs 0.000 description 3
- 239000006228 supernatant Substances 0.000 description 3
- 238000012795 verification Methods 0.000 description 3
- 239000001903 2-oxo-3-phenylpropanoic acid Substances 0.000 description 2
- RMAWDDRDTRSZIR-ZLUOBGJFSA-N Ala-Ser-Asp Chemical compound [H]N[C@@H](C)C(=O)N[C@@H](CO)C(=O)N[C@@H](CC(O)=O)C(O)=O RMAWDDRDTRSZIR-ZLUOBGJFSA-N 0.000 description 2
- SAKCBXNPWDRWPE-BQBZGAKWSA-N Asp-Met-Gly Chemical compound CSCC[C@@H](C(=O)NCC(=O)O)NC(=O)[C@H](CC(=O)O)N SAKCBXNPWDRWPE-BQBZGAKWSA-N 0.000 description 2
- 108010050375 Glucose 1-Dehydrogenase Proteins 0.000 description 2
- 102000003855 L-lactate dehydrogenase Human genes 0.000 description 2
- 108700023483 L-lactate dehydrogenases Proteins 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 101000929862 Weissella confusa L-2-hydroxyisocaproate dehydrogenase Proteins 0.000 description 2
- KOSRFJWDECSPRO-UHFFFAOYSA-N alpha-L-glutamyl-L-glutamic acid Natural products OC(=O)CCC(N)C(=O)NC(CCC(O)=O)C(O)=O KOSRFJWDECSPRO-UHFFFAOYSA-N 0.000 description 2
- DEDGUGJNLNLJSR-UHFFFAOYSA-N alpha-hydroxycinnamic acid Natural products OC(=O)C(O)=CC1=CC=CC=C1 DEDGUGJNLNLJSR-UHFFFAOYSA-N 0.000 description 2
- 108010040443 aspartyl-aspartic acid Proteins 0.000 description 2
- 238000010170 biological method Methods 0.000 description 2
- 238000006481 deamination reaction Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 108010055341 glutamyl-glutamic acid Proteins 0.000 description 2
- XKUKSGPZAADMRA-UHFFFAOYSA-N glycyl-glycyl-glycine Chemical compound NCC(=O)NCC(=O)NCC(O)=O XKUKSGPZAADMRA-UHFFFAOYSA-N 0.000 description 2
- 108010050848 glycylleucine Proteins 0.000 description 2
- 238000004128 high performance liquid chromatography Methods 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 238000009630 liquid culture Methods 0.000 description 2
- 239000002609 medium Substances 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- COLNVLDHVKWLRT-UHFFFAOYSA-N phenylalanine Natural products OC(=O)C(N)CC1=CC=CC=C1 COLNVLDHVKWLRT-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 102000004169 proteins and genes Human genes 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 108091008146 restriction endonucleases Proteins 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000002415 sodium dodecyl sulfate polyacrylamide gel electrophoresis Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000008223 sterile water Substances 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 108010061238 threonyl-glycine Proteins 0.000 description 2
- VOXXWSYKYCBWHO-MRVPVSSYSA-N (R)-3-phenyllactic acid Chemical compound OC(=O)[C@H](O)CC1=CC=CC=C1 VOXXWSYKYCBWHO-MRVPVSSYSA-N 0.000 description 1
- QMOQBVOBWVNSNO-UHFFFAOYSA-N 2-[[2-[[2-[(2-azaniumylacetyl)amino]acetyl]amino]acetyl]amino]acetate Chemical compound NCC(=O)NCC(=O)NCC(=O)NCC(O)=O QMOQBVOBWVNSNO-UHFFFAOYSA-N 0.000 description 1
- QDGAVODICPCDMU-UHFFFAOYSA-N 2-amino-3-[3-[bis(2-chloroethyl)amino]phenyl]propanoic acid Chemical class OC(=O)C(N)CC1=CC=CC(N(CCCl)CCCl)=C1 QDGAVODICPCDMU-UHFFFAOYSA-N 0.000 description 1
- HBAQYPYDRFILMT-UHFFFAOYSA-N 8-[3-(1-cyclopropylpyrazol-4-yl)-1H-pyrazolo[4,3-d]pyrimidin-5-yl]-3-methyl-3,8-diazabicyclo[3.2.1]octan-2-one Chemical class C1(CC1)N1N=CC(=C1)C1=NNC2=C1N=C(N=C2)N1C2C(N(CC1CC2)C)=O HBAQYPYDRFILMT-UHFFFAOYSA-N 0.000 description 1
- HHGYNJRJIINWAK-FXQIFTODSA-N Ala-Ala-Arg Chemical compound C[C@H](N)C(=O)N[C@@H](C)C(=O)N[C@H](C(O)=O)CCCN=C(N)N HHGYNJRJIINWAK-FXQIFTODSA-N 0.000 description 1
- AAQGRPOPTAUUBM-ZLUOBGJFSA-N Ala-Ala-Asn Chemical compound [H]N[C@@H](C)C(=O)N[C@@H](C)C(=O)N[C@@H](CC(N)=O)C(O)=O AAQGRPOPTAUUBM-ZLUOBGJFSA-N 0.000 description 1
- LWUWMHIOBPTZBA-DCAQKATOSA-N Ala-Arg-Lys Chemical compound NC(=N)NCCC[C@H](NC(=O)[C@@H](N)C)C(=O)N[C@@H](CCCCN)C(O)=O LWUWMHIOBPTZBA-DCAQKATOSA-N 0.000 description 1
- NXSFUECZFORGOG-CIUDSAMLSA-N Ala-Asn-Leu Chemical compound [H]N[C@@H](C)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CC(C)C)C(O)=O NXSFUECZFORGOG-CIUDSAMLSA-N 0.000 description 1
- MCKSLROAGSDNFC-ACZMJKKPSA-N Ala-Asp-Gln Chemical compound [H]N[C@@H](C)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CCC(N)=O)C(O)=O MCKSLROAGSDNFC-ACZMJKKPSA-N 0.000 description 1
- 108010040956 Ala-Asp-Glu-Leu Proteins 0.000 description 1
- PAIHPOGPJVUFJY-WDSKDSINSA-N Ala-Glu-Gly Chemical compound C[C@H](N)C(=O)N[C@@H](CCC(O)=O)C(=O)NCC(O)=O PAIHPOGPJVUFJY-WDSKDSINSA-N 0.000 description 1
- SHKGHIFSEAGTNL-DLOVCJGASA-N Ala-His-Lys Chemical compound NCCCC[C@@H](C(O)=O)NC(=O)[C@@H](NC(=O)[C@@H](N)C)CC1=CN=CN1 SHKGHIFSEAGTNL-DLOVCJGASA-N 0.000 description 1
- NYDBKUNVSALYPX-NAKRPEOUSA-N Ala-Ile-Arg Chemical compound C[C@H](N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@H](C(O)=O)CCCN=C(N)N NYDBKUNVSALYPX-NAKRPEOUSA-N 0.000 description 1
- GSHKMNKPMLXSQW-KBIXCLLPSA-N Ala-Ile-Gln Chemical compound CC[C@H](C)[C@@H](C(=O)N[C@@H](CCC(=O)N)C(=O)O)NC(=O)[C@H](C)N GSHKMNKPMLXSQW-KBIXCLLPSA-N 0.000 description 1
- CKLDHDOIYBVUNP-KBIXCLLPSA-N Ala-Ile-Glu Chemical compound [H]N[C@@H](C)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CCC(O)=O)C(O)=O CKLDHDOIYBVUNP-KBIXCLLPSA-N 0.000 description 1
- CFPQUJZTLUQUTJ-HTFCKZLJSA-N Ala-Ile-Ile Chemical compound CC[C@H](C)[C@@H](C(O)=O)NC(=O)[C@H]([C@@H](C)CC)NC(=O)[C@H](C)N CFPQUJZTLUQUTJ-HTFCKZLJSA-N 0.000 description 1
- YHKANGMVQWRMAP-DCAQKATOSA-N Ala-Leu-Arg Chemical compound C[C@H](N)C(=O)N[C@@H](CC(C)C)C(=O)N[C@H](C(O)=O)CCCN=C(N)N YHKANGMVQWRMAP-DCAQKATOSA-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
- OMDNCNKNEGFOMM-BQBZGAKWSA-N Ala-Met-Gly Chemical compound [H]N[C@@H](C)C(=O)N[C@@H](CCSC)C(=O)NCC(O)=O OMDNCNKNEGFOMM-BQBZGAKWSA-N 0.000 description 1
- DHBKYZYFEXXUAK-ONGXEEELSA-N Ala-Phe-Gly Chemical compound OC(=O)CNC(=O)[C@@H](NC(=O)[C@@H](N)C)CC1=CC=CC=C1 DHBKYZYFEXXUAK-ONGXEEELSA-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
- TVUFMYKTYXTRPY-HERUPUMHSA-N Ala-Trp-Ser Chemical compound [H]N[C@@H](C)C(=O)N[C@@H](CC1=CNC2=C1C=CC=C2)C(=O)N[C@@H](CO)C(O)=O TVUFMYKTYXTRPY-HERUPUMHSA-N 0.000 description 1
- PEFFAAKJGBZBKL-NAKRPEOUSA-N Arg-Ala-Ile Chemical compound [H]N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](C)C(=O)N[C@@H]([C@@H](C)CC)C(O)=O PEFFAAKJGBZBKL-NAKRPEOUSA-N 0.000 description 1
- BIOCIVSVEDFKDJ-GUBZILKMSA-N Arg-Arg-Asp Chemical compound [H]N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC(O)=O)C(O)=O BIOCIVSVEDFKDJ-GUBZILKMSA-N 0.000 description 1
- KMSHNDWHPWXPEC-BQBZGAKWSA-N Arg-Asp-Gly Chemical compound NC(N)=NCCC[C@H](N)C(=O)N[C@@H](CC(O)=O)C(=O)NCC(O)=O KMSHNDWHPWXPEC-BQBZGAKWSA-N 0.000 description 1
- NGTYEHIRESTSRX-UWVGGRQHSA-N Arg-Lys-Gly Chemical compound NCCCC[C@@H](C(=O)NCC(O)=O)NC(=O)[C@@H](N)CCCN=C(N)N NGTYEHIRESTSRX-UWVGGRQHSA-N 0.000 description 1
- UIUXXFIKWQVMEX-UFYCRDLUSA-N Arg-Phe-Tyr Chemical compound [H]N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC1=CC=CC=C1)C(=O)N[C@@H](CC1=CC=C(O)C=C1)C(O)=O UIUXXFIKWQVMEX-UFYCRDLUSA-N 0.000 description 1
- RCENDENBBJFJHZ-ACZMJKKPSA-N Asn-Asn-Gln Chemical compound [H]N[C@@H](CC(N)=O)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CCC(N)=O)C(O)=O RCENDENBBJFJHZ-ACZMJKKPSA-N 0.000 description 1
- ZDOQDYFZNGASEY-BIIVOSGPSA-N Asn-Asp-Pro Chemical compound C1C[C@@H](N(C1)C(=O)[C@H](CC(=O)O)NC(=O)[C@H](CC(=O)N)N)C(=O)O ZDOQDYFZNGASEY-BIIVOSGPSA-N 0.000 description 1
- ZMWDUIIACVLIHK-GHCJXIJMSA-N Asn-Cys-Ile Chemical compound CC[C@H](C)[C@@H](C(=O)O)NC(=O)[C@H](CS)NC(=O)[C@H](CC(=O)N)N ZMWDUIIACVLIHK-GHCJXIJMSA-N 0.000 description 1
- SNAKIVFVLVUCKB-UHFFFAOYSA-N Asn-Glu-Ala-Lys Natural products NCCCCC(C(O)=O)NC(=O)C(C)NC(=O)C(CCC(O)=O)NC(=O)C(N)CC(N)=O SNAKIVFVLVUCKB-UHFFFAOYSA-N 0.000 description 1
- QYXNFROWLZPWPC-FXQIFTODSA-N Asn-Glu-Gln Chemical compound [H]N[C@@H](CC(N)=O)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CCC(N)=O)C(O)=O QYXNFROWLZPWPC-FXQIFTODSA-N 0.000 description 1
- YVXRYLVELQYAEQ-SRVKXCTJSA-N Asn-Leu-Lys Chemical compound CC(C)C[C@@H](C(=O)N[C@@H](CCCCN)C(=O)O)NC(=O)[C@H](CC(=O)N)N YVXRYLVELQYAEQ-SRVKXCTJSA-N 0.000 description 1
- FBODFHMLALOPHP-GUBZILKMSA-N Asn-Lys-Glu Chemical compound [H]N[C@@H](CC(N)=O)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(O)=O FBODFHMLALOPHP-GUBZILKMSA-N 0.000 description 1
- HMUKKNAMNSXDBB-CIUDSAMLSA-N Asn-Met-Glu Chemical compound [H]N[C@@H](CC(N)=O)C(=O)N[C@@H](CCSC)C(=O)N[C@@H](CCC(O)=O)C(O)=O HMUKKNAMNSXDBB-CIUDSAMLSA-N 0.000 description 1
- IDUUACUJKUXKKD-VEVYYDQMSA-N Asn-Pro-Thr Chemical compound [H]N[C@@H](CC(N)=O)C(=O)N1CCC[C@H]1C(=O)N[C@@H]([C@@H](C)O)C(O)=O IDUUACUJKUXKKD-VEVYYDQMSA-N 0.000 description 1
- VLDRQOHCMKCXLY-SRVKXCTJSA-N Asn-Ser-Phe Chemical compound [H]N[C@@H](CC(N)=O)C(=O)N[C@@H](CO)C(=O)N[C@@H](CC1=CC=CC=C1)C(O)=O VLDRQOHCMKCXLY-SRVKXCTJSA-N 0.000 description 1
- CXBOKJPLEYUPGB-FXQIFTODSA-N Asp-Ala-Met Chemical compound C[C@@H](C(=O)N[C@@H](CCSC)C(=O)O)NC(=O)[C@H](CC(=O)O)N CXBOKJPLEYUPGB-FXQIFTODSA-N 0.000 description 1
- XDGBFDYXZCMYEX-NUMRIWBASA-N Asp-Glu-Thr Chemical compound C[C@H]([C@@H](C(=O)O)NC(=O)[C@H](CCC(=O)O)NC(=O)[C@H](CC(=O)O)N)O XDGBFDYXZCMYEX-NUMRIWBASA-N 0.000 description 1
- AYFVRYXNDHBECD-YUMQZZPRSA-N Asp-Leu-Gly Chemical compound [H]N[C@@H](CC(O)=O)C(=O)N[C@@H](CC(C)C)C(=O)NCC(O)=O AYFVRYXNDHBECD-YUMQZZPRSA-N 0.000 description 1
- ORRJQLIATJDMQM-HJGDQZAQSA-N Asp-Leu-Thr Chemical compound C[C@@H](O)[C@@H](C(O)=O)NC(=O)[C@H](CC(C)C)NC(=O)[C@@H](N)CC(O)=O ORRJQLIATJDMQM-HJGDQZAQSA-N 0.000 description 1
- DPNWSMBUYCLEDG-CIUDSAMLSA-N Asp-Lys-Ser Chemical compound [H]N[C@@H](CC(O)=O)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CO)C(O)=O DPNWSMBUYCLEDG-CIUDSAMLSA-N 0.000 description 1
- PCJOFZYFFMBZKC-PCBIJLKTSA-N Asp-Phe-Ile Chemical compound [H]N[C@@H](CC(O)=O)C(=O)N[C@@H](CC1=CC=CC=C1)C(=O)N[C@@H]([C@@H](C)CC)C(O)=O PCJOFZYFFMBZKC-PCBIJLKTSA-N 0.000 description 1
- ZKAOJVJQGVUIIU-GUBZILKMSA-N Asp-Pro-Arg Chemical compound OC(=O)C[C@H](N)C(=O)N1CCC[C@H]1C(=O)N[C@@H](CCCNC(N)=N)C(O)=O ZKAOJVJQGVUIIU-GUBZILKMSA-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
- SFJUYBCDQBAYAJ-YDHLFZDLSA-N Asp-Val-Phe Chemical compound OC(=O)C[C@H](N)C(=O)N[C@@H](C(C)C)C(=O)N[C@H](C(O)=O)CC1=CC=CC=C1 SFJUYBCDQBAYAJ-YDHLFZDLSA-N 0.000 description 1
- 108010090461 DFG peptide Proteins 0.000 description 1
- 241000192125 Firmicutes Species 0.000 description 1
- KJRXLVZYJJLUCV-DCAQKATOSA-N Gln-Arg-Met Chemical compound [H]N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CCSC)C(O)=O KJRXLVZYJJLUCV-DCAQKATOSA-N 0.000 description 1
- ZFADFBPRMSBPOT-KKUMJFAQSA-N Gln-Arg-Phe Chemical compound N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCCN=C(N)N)C(=O)N[C@@H](Cc1ccccc1)C(O)=O ZFADFBPRMSBPOT-KKUMJFAQSA-N 0.000 description 1
- LPYPANUXJGFMGV-FXQIFTODSA-N Gln-Gln-Ala Chemical compound C[C@@H](C(=O)O)NC(=O)[C@H](CCC(=O)N)NC(=O)[C@H](CCC(=O)N)N LPYPANUXJGFMGV-FXQIFTODSA-N 0.000 description 1
- QYKBTDOAMKORGL-FXQIFTODSA-N Gln-Gln-Asp Chemical compound C(CC(=O)N)[C@@H](C(=O)N[C@@H](CCC(=O)N)C(=O)N[C@@H](CC(=O)O)C(=O)O)N QYKBTDOAMKORGL-FXQIFTODSA-N 0.000 description 1
- MCAVASRGVBVPMX-FXQIFTODSA-N Gln-Glu-Ala Chemical compound [H]N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](C)C(O)=O MCAVASRGVBVPMX-FXQIFTODSA-N 0.000 description 1
- MAGNEQBFSBREJL-DCAQKATOSA-N Gln-Glu-Lys Chemical compound C(CCN)C[C@@H](C(=O)O)NC(=O)[C@H](CCC(=O)O)NC(=O)[C@H](CCC(=O)N)N MAGNEQBFSBREJL-DCAQKATOSA-N 0.000 description 1
- FGYPOQPQTUNESW-IUCAKERBSA-N Gln-Gly-Leu Chemical compound CC(C)C[C@@H](C(=O)O)NC(=O)CNC(=O)[C@H](CCC(=O)N)N FGYPOQPQTUNESW-IUCAKERBSA-N 0.000 description 1
- ZNTDJIMJKNNSLR-RWRJDSDZSA-N Gln-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](CCC(=O)N)N ZNTDJIMJKNNSLR-RWRJDSDZSA-N 0.000 description 1
- QFXNFFZTMFHPST-DZKIICNBSA-N Gln-Phe-Val Chemical compound CC(C)[C@@H](C(=O)O)NC(=O)[C@H](CC1=CC=CC=C1)NC(=O)[C@H](CCC(=O)N)N QFXNFFZTMFHPST-DZKIICNBSA-N 0.000 description 1
- ZZLDMBMFKZFQMU-NRPADANISA-N Gln-Val-Ala Chemical compound [H]N[C@@H](CCC(N)=O)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](C)C(O)=O ZZLDMBMFKZFQMU-NRPADANISA-N 0.000 description 1
- BPDVTFBJZNBHEU-HGNGGELXSA-N Glu-Ala-His Chemical compound OC(=O)CC[C@H](N)C(=O)N[C@@H](C)C(=O)N[C@H](C(O)=O)CC1=CN=CN1 BPDVTFBJZNBHEU-HGNGGELXSA-N 0.000 description 1
- KBKGRMNVKPSQIF-XDTLVQLUSA-N Glu-Ala-Tyr Chemical compound [H]N[C@@H](CCC(O)=O)C(=O)N[C@@H](C)C(=O)N[C@@H](CC1=CC=C(O)C=C1)C(O)=O KBKGRMNVKPSQIF-XDTLVQLUSA-N 0.000 description 1
- RTOOAKXIJADOLL-GUBZILKMSA-N Glu-Asp-His Chemical compound C1=C(NC=N1)C[C@@H](C(=O)O)NC(=O)[C@H](CC(=O)O)NC(=O)[C@H](CCC(=O)O)N RTOOAKXIJADOLL-GUBZILKMSA-N 0.000 description 1
- HTTSBEBKVNEDFE-AUTRQRHGSA-N Glu-Gln-Val Chemical compound CC(C)[C@@H](C(=O)O)NC(=O)[C@H](CCC(=O)N)NC(=O)[C@H](CCC(=O)O)N HTTSBEBKVNEDFE-AUTRQRHGSA-N 0.000 description 1
- CGOHAEBMDSEKFB-FXQIFTODSA-N Glu-Glu-Ala Chemical compound [H]N[C@@H](CCC(O)=O)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](C)C(O)=O CGOHAEBMDSEKFB-FXQIFTODSA-N 0.000 description 1
- AIGROOHQXCACHL-WDSKDSINSA-N Glu-Gly-Ala Chemical compound [H]N[C@@H](CCC(O)=O)C(=O)NCC(=O)N[C@@H](C)C(O)=O AIGROOHQXCACHL-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
- PJBVXVBTTFZPHJ-GUBZILKMSA-N Glu-Leu-Asp Chemical compound CC(C)C[C@@H](C(=O)N[C@@H](CC(=O)O)C(=O)O)NC(=O)[C@H](CCC(=O)O)N PJBVXVBTTFZPHJ-GUBZILKMSA-N 0.000 description 1
- ZGEJRLJEAMPEDV-SRVKXCTJSA-N Glu-Lys-Met Chemical compound CSCC[C@@H](C(=O)O)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CCC(=O)O)N ZGEJRLJEAMPEDV-SRVKXCTJSA-N 0.000 description 1
- PYTZFYUXZZHOAD-WHFBIAKZSA-N Gly-Ala-Ala Chemical compound OC(=O)[C@H](C)NC(=O)[C@H](C)NC(=O)CN PYTZFYUXZZHOAD-WHFBIAKZSA-N 0.000 description 1
- UPOJUWHGMDJUQZ-IUCAKERBSA-N Gly-Arg-Arg Chemical compound NC(=N)NCCC[C@H](NC(=O)CN)C(=O)N[C@@H](CCCNC(N)=N)C(O)=O UPOJUWHGMDJUQZ-IUCAKERBSA-N 0.000 description 1
- JPXNYFOHTHSREU-UWVGGRQHSA-N Gly-Arg-His Chemical compound C1=C(NC=N1)C[C@@H](C(=O)O)NC(=O)[C@H](CCCN=C(N)N)NC(=O)CN JPXNYFOHTHSREU-UWVGGRQHSA-N 0.000 description 1
- BGVYNAQWHSTTSP-BYULHYEWSA-N Gly-Asn-Ile Chemical compound [H]NCC(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H]([C@@H](C)CC)C(O)=O BGVYNAQWHSTTSP-BYULHYEWSA-N 0.000 description 1
- XCLCVBYNGXEVDU-WHFBIAKZSA-N Gly-Asn-Ser Chemical compound NCC(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CO)C(O)=O XCLCVBYNGXEVDU-WHFBIAKZSA-N 0.000 description 1
- GRIRDMVMJJDZKV-RCOVLWMOSA-N Gly-Asn-Val Chemical compound [H]NCC(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](C(C)C)C(O)=O GRIRDMVMJJDZKV-RCOVLWMOSA-N 0.000 description 1
- IWAXHBCACVWNHT-BQBZGAKWSA-N Gly-Asp-Arg Chemical compound NCC(=O)N[C@@H](CC(O)=O)C(=O)N[C@H](C(O)=O)CCCN=C(N)N IWAXHBCACVWNHT-BQBZGAKWSA-N 0.000 description 1
- YZACQYVWLCQWBT-BQBZGAKWSA-N Gly-Cys-Arg Chemical compound [H]NCC(=O)N[C@@H](CS)C(=O)N[C@@H](CCCNC(N)=N)C(O)=O YZACQYVWLCQWBT-BQBZGAKWSA-N 0.000 description 1
- MOJKRXIRAZPZLW-WDSKDSINSA-N Gly-Glu-Ala Chemical compound [H]NCC(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](C)C(O)=O MOJKRXIRAZPZLW-WDSKDSINSA-N 0.000 description 1
- JUBDONGMHASUCN-IUCAKERBSA-N Gly-Glu-His Chemical compound NCC(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](Cc1cnc[nH]1)C(O)=O JUBDONGMHASUCN-IUCAKERBSA-N 0.000 description 1
- LRQXRHGQEVWGPV-NHCYSSNCSA-N Gly-Leu-Ile Chemical compound CC[C@H](C)[C@@H](C(O)=O)NC(=O)[C@H](CC(C)C)NC(=O)CN LRQXRHGQEVWGPV-NHCYSSNCSA-N 0.000 description 1
- LOEANKRDMMVOGZ-YUMQZZPRSA-N Gly-Lys-Asp Chemical compound NCCCC[C@H](NC(=O)CN)C(=O)N[C@@H](CC(O)=O)C(O)=O LOEANKRDMMVOGZ-YUMQZZPRSA-N 0.000 description 1
- 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 1
- UWQDKRIZSROAKS-FJXKBIBVSA-N Gly-Met-Thr Chemical compound [H]NCC(=O)N[C@@H](CCSC)C(=O)N[C@@H]([C@@H](C)O)C(O)=O UWQDKRIZSROAKS-FJXKBIBVSA-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
- WNZOCXUOGVYYBJ-CDMKHQONSA-N Gly-Phe-Thr Chemical compound C[C@H]([C@@H](C(=O)O)NC(=O)[C@H](CC1=CC=CC=C1)NC(=O)CN)O WNZOCXUOGVYYBJ-CDMKHQONSA-N 0.000 description 1
- IRJWAYCXIYUHQE-WHFBIAKZSA-N Gly-Ser-Ala Chemical compound OC(=O)[C@H](C)NC(=O)[C@H](CO)NC(=O)CN IRJWAYCXIYUHQE-WHFBIAKZSA-N 0.000 description 1
- ZLCLYFGMKFCDCN-XPUUQOCRSA-N Gly-Ser-Val Chemical compound CC(C)[C@H](NC(=O)[C@H](CO)NC(=O)CN)C(O)=O ZLCLYFGMKFCDCN-XPUUQOCRSA-N 0.000 description 1
- YJDALMUYJIENAG-QWRGUYRKSA-N Gly-Tyr-Asn Chemical compound C1=CC(=CC=C1C[C@@H](C(=O)N[C@@H](CC(=O)N)C(=O)O)NC(=O)CN)O YJDALMUYJIENAG-QWRGUYRKSA-N 0.000 description 1
- YGHSQRJSHKYUJY-SCZZXKLOSA-N Gly-Val-Pro Chemical compound CC(C)[C@@H](C(=O)N1CCC[C@@H]1C(=O)O)NC(=O)CN YGHSQRJSHKYUJY-SCZZXKLOSA-N 0.000 description 1
- AFMOTCMSEBITOE-YEPSODPASA-N Gly-Val-Thr Chemical compound NCC(=O)N[C@@H](C(C)C)C(=O)N[C@@H]([C@@H](C)O)C(O)=O AFMOTCMSEBITOE-YEPSODPASA-N 0.000 description 1
- MBSSHYPAEHPSGY-LSJOCFKGSA-N His-Ala-Met Chemical compound [H]N[C@@H](CC1=CNC=N1)C(=O)N[C@@H](C)C(=O)N[C@@H](CCSC)C(O)=O MBSSHYPAEHPSGY-LSJOCFKGSA-N 0.000 description 1
- YOSQCYUFZGPIPC-PBCZWWQYSA-N His-Asp-Thr Chemical compound [H]N[C@@H](CC1=CNC=N1)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H]([C@@H](C)O)C(O)=O YOSQCYUFZGPIPC-PBCZWWQYSA-N 0.000 description 1
- GBMSSORHVHAYLU-QTKMDUPCSA-N His-Val-Thr Chemical compound C[C@H]([C@@H](C(=O)O)NC(=O)[C@H](C(C)C)NC(=O)[C@H](CC1=CN=CN1)N)O GBMSSORHVHAYLU-QTKMDUPCSA-N 0.000 description 1
- QICVAHODWHIWIS-HTFCKZLJSA-N Ile-Ala-Ile Chemical compound CC[C@H](C)[C@@H](C(=O)N[C@@H](C)C(=O)N[C@@H]([C@@H](C)CC)C(=O)O)N QICVAHODWHIWIS-HTFCKZLJSA-N 0.000 description 1
- BOTVMTSMOUSDRW-GMOBBJLQSA-N Ile-Arg-Asn Chemical compound CC[C@H](C)[C@H](N)C(=O)N[C@@H](CCCN=C(N)N)C(=O)N[C@@H](CC(N)=O)C(O)=O BOTVMTSMOUSDRW-GMOBBJLQSA-N 0.000 description 1
- RPZFUIQVAPZLRH-GHCJXIJMSA-N Ile-Asp-Ala Chemical compound CC[C@H](C)[C@@H](C(=O)N[C@@H](CC(=O)O)C(=O)N[C@@H](C)C(=O)O)N RPZFUIQVAPZLRH-GHCJXIJMSA-N 0.000 description 1
- HGNUKGZQASSBKQ-PCBIJLKTSA-N Ile-Asp-Phe Chemical compound CC[C@H](C)[C@@H](C(=O)N[C@@H](CC(=O)O)C(=O)N[C@@H](CC1=CC=CC=C1)C(=O)O)N HGNUKGZQASSBKQ-PCBIJLKTSA-N 0.000 description 1
- MQFGXJNSUJTXDT-QSFUFRPTSA-N Ile-Gly-Ile Chemical compound N[C@@H]([C@@H](C)CC)C(=O)NCC(=O)N[C@@H]([C@@H](C)CC)C(=O)O MQFGXJNSUJTXDT-QSFUFRPTSA-N 0.000 description 1
- NYEYYMLUABXDMC-NHCYSSNCSA-N Ile-Gly-Leu Chemical compound CC[C@H](C)[C@@H](C(=O)NCC(=O)N[C@@H](CC(C)C)C(=O)O)N NYEYYMLUABXDMC-NHCYSSNCSA-N 0.000 description 1
- YNMQUIVKEFRCPH-QSFUFRPTSA-N Ile-Ile-Gly Chemical compound CC[C@H](C)[C@@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)NCC(=O)O)N YNMQUIVKEFRCPH-QSFUFRPTSA-N 0.000 description 1
- UIEZQYNXCYHMQS-BJDJZHNGSA-N Ile-Lys-Ala Chemical compound CC[C@H](C)[C@@H](C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](C)C(=O)O)N UIEZQYNXCYHMQS-BJDJZHNGSA-N 0.000 description 1
- RMNMUUCYTMLWNA-ZPFDUUQYSA-N Ile-Lys-Asp Chemical compound CC[C@H](C)[C@@H](C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(=O)O)C(=O)O)N RMNMUUCYTMLWNA-ZPFDUUQYSA-N 0.000 description 1
- YSGBJIQXTIVBHZ-AJNGGQMLSA-N Ile-Lys-Leu Chemical compound CC[C@H](C)[C@H](N)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(C)C)C(O)=O YSGBJIQXTIVBHZ-AJNGGQMLSA-N 0.000 description 1
- KTNGVMMGIQWIDV-OSUNSFLBSA-N Ile-Pro-Thr Chemical compound CC[C@H](C)[C@H](N)C(=O)N1CCC[C@H]1C(=O)N[C@@H]([C@@H](C)O)C(O)=O KTNGVMMGIQWIDV-OSUNSFLBSA-N 0.000 description 1
- CNMOKANDJMLAIF-CIQUZCHMSA-N Ile-Thr-Ala Chemical compound CC[C@H](C)[C@H](N)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](C)C(O)=O CNMOKANDJMLAIF-CIQUZCHMSA-N 0.000 description 1
- ZGKVPOSSTGHJAF-HJPIBITLSA-N Ile-Tyr-Ser Chemical compound CC[C@H](C)[C@@H](C(=O)N[C@@H](CC1=CC=C(C=C1)O)C(=O)N[C@@H](CO)C(=O)O)N ZGKVPOSSTGHJAF-HJPIBITLSA-N 0.000 description 1
- CQQGCWPXDHTTNF-GUBZILKMSA-N Leu-Ala-Glu Chemical compound CC(C)C[C@H](N)C(=O)N[C@@H](C)C(=O)N[C@H](C(O)=O)CCC(O)=O CQQGCWPXDHTTNF-GUBZILKMSA-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
- HFBCHNRFRYLZNV-GUBZILKMSA-N Leu-Glu-Asp Chemical compound [H]N[C@@H](CC(C)C)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC(O)=O)C(O)=O HFBCHNRFRYLZNV-GUBZILKMSA-N 0.000 description 1
- VWHGTYCRDRBSFI-ZETCQYMHSA-N Leu-Gly-Gly Chemical compound CC(C)C[C@H](N)C(=O)NCC(=O)NCC(O)=O VWHGTYCRDRBSFI-ZETCQYMHSA-N 0.000 description 1
- JNDYEOUZBLOVOF-AVGNSLFASA-N Leu-Leu-Gln Chemical compound [H]N[C@@H](CC(C)C)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCC(N)=O)C(O)=O JNDYEOUZBLOVOF-AVGNSLFASA-N 0.000 description 1
- QNBVTHNJGCOVFA-AVGNSLFASA-N Leu-Leu-Glu Chemical compound CC(C)C[C@H](N)C(=O)N[C@@H](CC(C)C)C(=O)N[C@H](C(O)=O)CCC(O)=O QNBVTHNJGCOVFA-AVGNSLFASA-N 0.000 description 1
- IEWBEPKLKUXQBU-VOAKCMCISA-N Leu-Leu-Thr Chemical compound [H]N[C@@H](CC(C)C)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H]([C@@H](C)O)C(O)=O IEWBEPKLKUXQBU-VOAKCMCISA-N 0.000 description 1
- KQFZKDITNUEVFJ-JYJNAYRXSA-N Leu-Phe-Gln Chemical compound NC(=O)CC[C@@H](C(O)=O)NC(=O)[C@@H](NC(=O)[C@@H](N)CC(C)C)CC1=CC=CC=C1 KQFZKDITNUEVFJ-JYJNAYRXSA-N 0.000 description 1
- FYPWFNKQVVEELI-ULQDDVLXSA-N Leu-Phe-Val Chemical compound CC(C)C[C@H](N)C(=O)N[C@H](C(=O)N[C@@H](C(C)C)C(O)=O)CC1=CC=CC=C1 FYPWFNKQVVEELI-ULQDDVLXSA-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
- WFCKERTZVCQXKH-KBPBESRZSA-N Leu-Tyr-Gly Chemical compound [H]N[C@@H](CC(C)C)C(=O)N[C@@H](CC1=CC=C(O)C=C1)C(=O)NCC(O)=O WFCKERTZVCQXKH-KBPBESRZSA-N 0.000 description 1
- NFLFJGGKOHYZJF-BJDJZHNGSA-N Lys-Ala-Ile Chemical compound CC[C@H](C)[C@@H](C(O)=O)NC(=O)[C@H](C)NC(=O)[C@@H](N)CCCCN NFLFJGGKOHYZJF-BJDJZHNGSA-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
- IRNSXVOWSXSULE-DCAQKATOSA-N Lys-Ala-Val Chemical compound CC(C)[C@@H](C(O)=O)NC(=O)[C@H](C)NC(=O)[C@@H](N)CCCCN IRNSXVOWSXSULE-DCAQKATOSA-N 0.000 description 1
- WGLAORUKDGRINI-WDCWCFNPSA-N Lys-Glu-Thr Chemical compound [H]N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H]([C@@H](C)O)C(O)=O WGLAORUKDGRINI-WDCWCFNPSA-N 0.000 description 1
- UDXSLGLHFUBRRM-OEAJRASXSA-N Lys-Phe-Thr Chemical compound C[C@H]([C@@H](C(=O)O)NC(=O)[C@H](CC1=CC=CC=C1)NC(=O)[C@H](CCCCN)N)O UDXSLGLHFUBRRM-OEAJRASXSA-N 0.000 description 1
- KTINOHQFVVCEGQ-XIRDDKMYSA-N Lys-Trp-Asp Chemical compound NCCCC[C@H](N)C(=O)N[C@@H](Cc1c[nH]c2ccccc12)C(=O)N[C@@H](CC(O)=O)C(O)=O KTINOHQFVVCEGQ-XIRDDKMYSA-N 0.000 description 1
- VKCPHIOZDWUFSW-ONGXEEELSA-N Lys-Val-Gly Chemical compound OC(=O)CNC(=O)[C@H](C(C)C)NC(=O)[C@@H](N)CCCCN VKCPHIOZDWUFSW-ONGXEEELSA-N 0.000 description 1
- NYTDJEZBAAFLLG-IHRRRGAJSA-N Lys-Val-Lys Chemical compound NCCCC[C@H](N)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CCCCN)C(O)=O NYTDJEZBAAFLLG-IHRRRGAJSA-N 0.000 description 1
- CNUPMMXDISGXMU-CIUDSAMLSA-N Met-Cys-Glu Chemical compound [H]N[C@@H](CCSC)C(=O)N[C@@H](CS)C(=O)N[C@@H](CCC(O)=O)C(O)=O CNUPMMXDISGXMU-CIUDSAMLSA-N 0.000 description 1
- CRGKLOXHKICQOL-GARJFASQSA-N Met-Gln-Pro Chemical compound CSCC[C@@H](C(=O)N[C@@H](CCC(=O)N)C(=O)N1CCC[C@@H]1C(=O)O)N CRGKLOXHKICQOL-GARJFASQSA-N 0.000 description 1
- CHDYFPCQVUOJEB-ULQDDVLXSA-N Met-Leu-Phe Chemical compound CSCC[C@H](N)C(=O)N[C@@H](CC(C)C)C(=O)N[C@H](C(O)=O)CC1=CC=CC=C1 CHDYFPCQVUOJEB-ULQDDVLXSA-N 0.000 description 1
- MSSJHBAKDDIRMJ-SRVKXCTJSA-N Met-Lys-Gln Chemical compound [H]N[C@@H](CCSC)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(N)=O)C(O)=O MSSJHBAKDDIRMJ-SRVKXCTJSA-N 0.000 description 1
- HLZORBMOISUNIV-DCAQKATOSA-N Met-Ser-Leu Chemical compound CSCC[C@H](N)C(=O)N[C@@H](CO)C(=O)N[C@H](C(O)=O)CC(C)C HLZORBMOISUNIV-DCAQKATOSA-N 0.000 description 1
- FZDOBWIKRQORAC-ULQDDVLXSA-N Met-Tyr-Leu Chemical compound CC(C)C[C@@H](C(=O)O)NC(=O)[C@H](CC1=CC=C(C=C1)O)NC(=O)[C@H](CCSC)N FZDOBWIKRQORAC-ULQDDVLXSA-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
- KZNQNBZMBZJQJO-UHFFFAOYSA-N N-glycyl-L-proline Natural products NCC(=O)N1CCCC1C(O)=O KZNQNBZMBZJQJO-UHFFFAOYSA-N 0.000 description 1
- 238000012408 PCR amplification Methods 0.000 description 1
- 239000001888 Peptone Substances 0.000 description 1
- 108010080698 Peptones Proteins 0.000 description 1
- CYZBFPYMSJGBRL-DRZSPHRISA-N Phe-Ala-Glu Chemical compound [H]N[C@@H](CC1=CC=CC=C1)C(=O)N[C@@H](C)C(=O)N[C@@H](CCC(O)=O)C(O)=O CYZBFPYMSJGBRL-DRZSPHRISA-N 0.000 description 1
- DPUOLKQSMYLRDR-UBHSHLNASA-N Phe-Arg-Ala Chemical compound NC(N)=NCCC[C@@H](C(=O)N[C@@H](C)C(O)=O)NC(=O)[C@@H](N)CC1=CC=CC=C1 DPUOLKQSMYLRDR-UBHSHLNASA-N 0.000 description 1
- RIYZXJVARWJLKS-KKUMJFAQSA-N Phe-Asp-Leu Chemical compound CC(C)C[C@@H](C(O)=O)NC(=O)[C@H](CC(O)=O)NC(=O)[C@@H](N)CC1=CC=CC=C1 RIYZXJVARWJLKS-KKUMJFAQSA-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
- GPSMLZQVIIYLDK-ULQDDVLXSA-N Phe-Lys-Val Chemical compound [H]N[C@@H](CC1=CC=CC=C1)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](C(C)C)C(O)=O GPSMLZQVIIYLDK-ULQDDVLXSA-N 0.000 description 1
- KLYYKKGCPOGDPE-OEAJRASXSA-N Phe-Thr-Leu Chemical compound [H]N[C@@H](CC1=CC=CC=C1)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CC(C)C)C(O)=O KLYYKKGCPOGDPE-OEAJRASXSA-N 0.000 description 1
- LANQLYHLMYDWJP-SRVKXCTJSA-N Pro-Gln-Lys Chemical compound C1C[C@H](NC1)C(=O)N[C@@H](CCC(=O)N)C(=O)N[C@@H](CCCCN)C(=O)O LANQLYHLMYDWJP-SRVKXCTJSA-N 0.000 description 1
- NXEYSLRNNPWCRN-SRVKXCTJSA-N Pro-Glu-Leu Chemical compound [H]N1CCC[C@H]1C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC(C)C)C(O)=O NXEYSLRNNPWCRN-SRVKXCTJSA-N 0.000 description 1
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 1
- 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 1
- UICKAKRRRBTILH-GUBZILKMSA-N Ser-Glu-His Chemical compound C1=C(NC=N1)C[C@@H](C(=O)O)NC(=O)[C@H](CCC(=O)O)NC(=O)[C@H](CO)N UICKAKRRRBTILH-GUBZILKMSA-N 0.000 description 1
- AABIBDJHSKIMJK-FXQIFTODSA-N Ser-Ser-Met Chemical compound [H]N[C@@H](CO)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCSC)C(O)=O AABIBDJHSKIMJK-FXQIFTODSA-N 0.000 description 1
- KIEIJCFVGZCUAS-MELADBBJSA-N Ser-Tyr-Pro Chemical compound C1C[C@@H](N(C1)C(=O)[C@H](CC2=CC=C(C=C2)O)NC(=O)[C@H](CO)N)C(=O)O KIEIJCFVGZCUAS-MELADBBJSA-N 0.000 description 1
- JGUWRQWULDWNCM-FXQIFTODSA-N Ser-Val-Ser Chemical compound [H]N[C@@H](CO)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CO)C(O)=O JGUWRQWULDWNCM-FXQIFTODSA-N 0.000 description 1
- JTEICXDKGWKRRV-HJGDQZAQSA-N Thr-Asn-Lys Chemical compound C[C@H]([C@@H](C(=O)N[C@@H](CC(=O)N)C(=O)N[C@@H](CCCCN)C(=O)O)N)O JTEICXDKGWKRRV-HJGDQZAQSA-N 0.000 description 1
- YBXMGKCLOPDEKA-NUMRIWBASA-N Thr-Asp-Glu Chemical compound [H]N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CCC(O)=O)C(O)=O YBXMGKCLOPDEKA-NUMRIWBASA-N 0.000 description 1
- GKMYGVQDGVYCPC-IUKAMOBKSA-N Thr-Asp-Ile Chemical compound CC[C@H](C)[C@@H](C(=O)O)NC(=O)[C@H](CC(=O)O)NC(=O)[C@H]([C@@H](C)O)N GKMYGVQDGVYCPC-IUKAMOBKSA-N 0.000 description 1
- QQWNRERCGGZOKG-WEDXCCLWSA-N Thr-Gly-Leu Chemical compound [H]N[C@@H]([C@@H](C)O)C(=O)NCC(=O)N[C@@H](CC(C)C)C(O)=O QQWNRERCGGZOKG-WEDXCCLWSA-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
- VTVVYQOXJCZVEB-WDCWCFNPSA-N Thr-Leu-Glu Chemical compound [H]N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCC(O)=O)C(O)=O VTVVYQOXJCZVEB-WDCWCFNPSA-N 0.000 description 1
- RFKVQLIXNVEOMB-WEDXCCLWSA-N Thr-Leu-Gly Chemical compound C[C@H]([C@@H](C(=O)N[C@@H](CC(C)C)C(=O)NCC(=O)O)N)O RFKVQLIXNVEOMB-WEDXCCLWSA-N 0.000 description 1
- MCDVZTRGHNXTGK-HJGDQZAQSA-N Thr-Met-Glu Chemical compound [H]N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CCSC)C(=O)N[C@@H](CCC(O)=O)C(O)=O MCDVZTRGHNXTGK-HJGDQZAQSA-N 0.000 description 1
- NQQMWWVVGIXUOX-SVSWQMSJSA-N Thr-Ser-Ile Chemical compound [H]N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CO)C(=O)N[C@@H]([C@@H](C)CC)C(O)=O NQQMWWVVGIXUOX-SVSWQMSJSA-N 0.000 description 1
- WPSKTVVMQCXPRO-BWBBJGPYSA-N Thr-Ser-Ser Chemical compound [H]N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CO)C(=O)N[C@@H](CO)C(O)=O WPSKTVVMQCXPRO-BWBBJGPYSA-N 0.000 description 1
- BBPCSGKKPJUYRB-UVOCVTCTSA-N Thr-Thr-Leu Chemical compound [H]N[C@@H]([C@@H](C)O)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CC(C)C)C(O)=O BBPCSGKKPJUYRB-UVOCVTCTSA-N 0.000 description 1
- ZMYCLHFLHRVOEA-HEIBUPTGSA-N Thr-Thr-Ser Chemical compound C[C@@H](O)[C@H](N)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CO)C(O)=O ZMYCLHFLHRVOEA-HEIBUPTGSA-N 0.000 description 1
- XGFYGMKZKFRGAI-RCWTZXSCSA-N Thr-Val-Arg Chemical compound C[C@@H](O)[C@H](N)C(=O)N[C@@H](C(C)C)C(=O)N[C@H](C(O)=O)CCCN=C(N)N XGFYGMKZKFRGAI-RCWTZXSCSA-N 0.000 description 1
- VYVBSMCZNHOZGD-RCWTZXSCSA-N Thr-Val-Val Chemical compound [H]N[C@@H]([C@@H](C)O)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](C(C)C)C(O)=O VYVBSMCZNHOZGD-RCWTZXSCSA-N 0.000 description 1
- NSOMQRHZMJMZIE-GVARAGBVSA-N Tyr-Ala-Ile Chemical compound CC[C@H](C)[C@@H](C(O)=O)NC(=O)[C@H](C)NC(=O)[C@@H](N)CC1=CC=C(O)C=C1 NSOMQRHZMJMZIE-GVARAGBVSA-N 0.000 description 1
- SCCKSNREWHMKOJ-SRVKXCTJSA-N Tyr-Asn-Ser Chemical compound N[C@@H](Cc1ccc(O)cc1)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CO)C(O)=O SCCKSNREWHMKOJ-SRVKXCTJSA-N 0.000 description 1
- UNUZEBFXGWVAOP-DZKIICNBSA-N Tyr-Glu-Val Chemical compound [H]N[C@@H](CC1=CC=C(O)C=C1)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](C(C)C)C(O)=O UNUZEBFXGWVAOP-DZKIICNBSA-N 0.000 description 1
- CTDPLKMBVALCGN-JSGCOSHPSA-N Tyr-Gly-Val Chemical compound [H]N[C@@H](CC1=CC=C(O)C=C1)C(=O)NCC(=O)N[C@@H](C(C)C)C(O)=O CTDPLKMBVALCGN-JSGCOSHPSA-N 0.000 description 1
- AXWBYOVVDRBOGU-SIUGBPQLSA-N Tyr-Ile-Gln Chemical compound CC[C@H](C)[C@@H](C(=O)N[C@@H](CCC(=O)N)C(=O)O)NC(=O)[C@H](CC1=CC=C(C=C1)O)N AXWBYOVVDRBOGU-SIUGBPQLSA-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
- PMHLLBKTDHQMCY-ULQDDVLXSA-N Tyr-Lys-Val Chemical compound [H]N[C@@H](CC1=CC=C(O)C=C1)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](C(C)C)C(O)=O PMHLLBKTDHQMCY-ULQDDVLXSA-N 0.000 description 1
- WQOHKVRQDLNDIL-YJRXYDGGSA-N Tyr-Thr-Ser Chemical compound [H]N[C@@H](CC1=CC=C(O)C=C1)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CO)C(O)=O WQOHKVRQDLNDIL-YJRXYDGGSA-N 0.000 description 1
- HHSILIQTHXABKM-YDHLFZDLSA-N Val-Asp-Phe Chemical compound CC(C)[C@H](N)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](Cc1ccccc1)C(O)=O HHSILIQTHXABKM-YDHLFZDLSA-N 0.000 description 1
- YODDULVCGFQRFZ-ZKWXMUAHSA-N Val-Asp-Ser Chemical compound CC(C)[C@H](N)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CO)C(O)=O YODDULVCGFQRFZ-ZKWXMUAHSA-N 0.000 description 1
- PWRITNSESKQTPW-NRPADANISA-N Val-Gln-Ser Chemical compound CC(C)[C@@H](C(=O)N[C@@H](CCC(=O)N)C(=O)N[C@@H](CO)C(=O)O)N PWRITNSESKQTPW-NRPADANISA-N 0.000 description 1
- SZTTYWIUCGSURQ-AUTRQRHGSA-N Val-Glu-Glu Chemical compound CC(C)[C@H](N)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CCC(O)=O)C(O)=O SZTTYWIUCGSURQ-AUTRQRHGSA-N 0.000 description 1
- ZXAGTABZUOMUDO-GVXVVHGQSA-N Val-Glu-Lys Chemical compound CC(C)[C@@H](C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CCCCN)C(=O)O)N ZXAGTABZUOMUDO-GVXVVHGQSA-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
- BZMIYHIJVVJPCK-QSFUFRPTSA-N Val-Ile-Asn Chemical compound CC[C@H](C)[C@@H](C(=O)N[C@@H](CC(=O)N)C(=O)O)NC(=O)[C@H](C(C)C)N BZMIYHIJVVJPCK-QSFUFRPTSA-N 0.000 description 1
- FEXILLGKGGTLRI-NHCYSSNCSA-N Val-Leu-Asn Chemical compound CC(C)C[C@@H](C(=O)N[C@@H](CC(=O)N)C(=O)O)NC(=O)[C@H](C(C)C)N FEXILLGKGGTLRI-NHCYSSNCSA-N 0.000 description 1
- CXWJFWAZIVWBOS-XQQFMLRXSA-N Val-Lys-Pro Chemical compound CC(C)[C@@H](C(=O)N[C@@H](CCCCN)C(=O)N1CCC[C@@H]1C(=O)O)N CXWJFWAZIVWBOS-XQQFMLRXSA-N 0.000 description 1
- YQMILNREHKTFBS-IHRRRGAJSA-N Val-Phe-Cys Chemical compound CC(C)[C@@H](C(=O)N[C@@H](CC1=CC=CC=C1)C(=O)N[C@@H](CS)C(=O)O)N YQMILNREHKTFBS-IHRRRGAJSA-N 0.000 description 1
- HPOSMQWRPMRMFO-GUBZILKMSA-N Val-Pro-Cys Chemical compound CC(C)[C@@H](C(=O)N1CCC[C@H]1C(=O)N[C@@H](CS)C(=O)O)N HPOSMQWRPMRMFO-GUBZILKMSA-N 0.000 description 1
- DFQZDQPLWBSFEJ-LSJOCFKGSA-N Val-Val-Asn Chemical compound CC(C)[C@@H](C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CC(=O)N)C(=O)O)N DFQZDQPLWBSFEJ-LSJOCFKGSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 239000011543 agarose gel Substances 0.000 description 1
- 108010005233 alanylglutamic acid Proteins 0.000 description 1
- 108010011559 alanylphenylalanine Proteins 0.000 description 1
- 229940024606 amino acid Drugs 0.000 description 1
- VZTDIZULWFCMLS-UHFFFAOYSA-N ammonium formate Chemical compound [NH4+].[O-]C=O VZTDIZULWFCMLS-UHFFFAOYSA-N 0.000 description 1
- 210000004102 animal cell Anatomy 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 108010038633 aspartylglutamate Proteins 0.000 description 1
- 108010068265 aspartyltyrosine Proteins 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 238000010523 cascade reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000009615 deamination Effects 0.000 description 1
- 238000004925 denaturation Methods 0.000 description 1
- 230000036425 denaturation Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 230000002255 enzymatic effect Effects 0.000 description 1
- 238000009920 food preservation Methods 0.000 description 1
- 108010080575 glutamyl-aspartyl-alanine Proteins 0.000 description 1
- 108010049041 glutamylalanine Proteins 0.000 description 1
- XBGGUPMXALFZOT-UHFFFAOYSA-N glycyl-L-tyrosine hemihydrate Natural products NCC(=O)NC(C(O)=O)CC1=CC=C(O)C=C1 XBGGUPMXALFZOT-UHFFFAOYSA-N 0.000 description 1
- 108010082286 glycyl-seryl-alanine Proteins 0.000 description 1
- 108010059898 glycyl-tyrosyl-lysine Proteins 0.000 description 1
- 108010015792 glycyllysine Proteins 0.000 description 1
- 108010087823 glycyltyrosine Proteins 0.000 description 1
- 108010025306 histidylleucine Proteins 0.000 description 1
- 235000012907 honey Nutrition 0.000 description 1
- 210000005260 human cell Anatomy 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000002054 inoculum Substances 0.000 description 1
- 108010078274 isoleucylvaline Proteins 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 101150104734 ldh gene Proteins 0.000 description 1
- 108010030617 leucyl-phenylalanyl-valine Proteins 0.000 description 1
- 108010003700 lysyl aspartic acid Proteins 0.000 description 1
- 108010064235 lysylglycine Proteins 0.000 description 1
- 108010017391 lysylvaline Proteins 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 108700023046 methionyl-leucyl-phenylalanine Proteins 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000019319 peptone Nutrition 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 108010070409 phenylalanyl-glycyl-glycine Proteins 0.000 description 1
- 108010024654 phenylalanyl-prolyl-alanine Proteins 0.000 description 1
- 108010073025 phenylalanylphenylalanine Proteins 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012257 pre-denaturation Methods 0.000 description 1
- 108010079317 prolyl-tyrosine Proteins 0.000 description 1
- 108010070643 prolylglutamic acid Proteins 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011403 purification operation Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 108010026333 seryl-proline Proteins 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 108010017949 tyrosyl-glycyl-glycine Proteins 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P7/00—Preparation of oxygen-containing organic compounds
- C12P7/40—Preparation of oxygen-containing organic compounds containing a carboxyl group including Peroxycarboxylic acids
- C12P7/42—Hydroxy-carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
- C12N9/0004—Oxidoreductases (1.)
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
- C12N9/0004—Oxidoreductases (1.)
- C12N9/0012—Oxidoreductases (1.) acting on nitrogen containing compounds as donors (1.4, 1.5, 1.6, 1.7)
- C12N9/0014—Oxidoreductases (1.) acting on nitrogen containing compounds as donors (1.4, 1.5, 1.6, 1.7) acting on the CH-NH2 group of donors (1.4)
- C12N9/0016—Oxidoreductases (1.) acting on nitrogen containing compounds as donors (1.4, 1.5, 1.6, 1.7) acting on the CH-NH2 group of donors (1.4) with NAD or NADP as acceptor (1.4.1)
- C12N9/0018—Phenylalanine dehydrogenase (1.4.1.20)
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Y—ENZYMES
- C12Y104/00—Oxidoreductases acting on the CH-NH2 group of donors (1.4)
- C12Y104/01—Oxidoreductases acting on the CH-NH2 group of donors (1.4) with NAD+ or NADP+ as acceptor (1.4.1)
- C12Y104/0102—Phenylalanine dehydrogenase (1.4.1.20)
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Genetics & Genomics (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
- Microbiology (AREA)
- Biotechnology (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Enzymes And Modification Thereof (AREA)
Abstract
本发明公开了一种基因工程菌株实现全细胞转化合成L‑苯乳酸的方法,具体涉及一种能实现辅因子NAD+和NADH自循环的共表达苯丙氨酸脱氢酶和L‑羟基异己酸还原酶的基因工程菌株,通过全细胞转化底物L‑苯丙氨酸合成L‑苯乳酸的方法,属于生物工程技术领域。用重组菌株E.coli BL21(DE3)/pET28a‑pdh‑ldh的全细胞转化合成L‑苯乳酸,并且在添加表面活性剂的作用下全细胞转化率可达到88.9%~95.6%。该方法实现了辅因子NAD+和NADH的自循环,减少了辅因子的添加量,降低了生产成本,在工业化合成L‑苯乳酸领域有广阔的应用前景。
Description
技术领域
本发明涉及一种基因工程菌株实现全细胞转化合成L-苯乳酸的方法,具体涉及一种能实现辅因子NAD+和NADH自循环的共表达苯丙氨酸脱氢酶和L-羟基异己酸还原酶的基因工程菌株,通过全细胞转化底物L-苯丙氨酸合成L-苯乳酸的方法,属于生物工程技术领域。
背景技术
L-苯乳酸(L-phenyllactic acid,L-PLA),即L-2-羟基-3-苯基丙酸,是PLA两种手性对映异构体中的一种,与手性对映异构体D-PLA天然共存于乳酸菌发酵产物和蜂蜜中,具有特殊的生物活性,可以作为手性中间体广泛应用于化工、医药、农药和生物合成等领域。
L-PLA不仅对多种食源性致病菌有抑制作用,也能抑制大部分的革兰氏阳性菌和阴性菌的生长,延长食品的保质期。L-PLA是小分子有机酸,稳定性高,亲水性强,在食品和饲料中容易扩散,是L-苯丙氨酸的代谢产物,对人和动物细胞均无毒性,在食品防腐方面有很大的发展潜力。
L-苯乳酸的合成主要通过化学法和生物法,化学法合成步骤复杂,需要使用有机化学试剂,对环境造成一定的污染。相比较而言,L-苯乳酸的生物法制备反应条件温和,工艺简单,无需手性拆分。生物法还分为微生物发酵法、酶催化法和全细胞转化法。微生物发酵法发酵时间长,产物需要分离,操作复杂。酶催化法需要消耗辅酶I,成本高,酶纯化操作复杂,不适合工业化生产。全细胞转化法避免了酶的分离纯化,为酶催化反应提供了稳定的细胞环境,与发酵法比转化时间短,在工业化合成L-苯乳酸领域有很大的潜力。
目前,以苯丙氨酸为底物转化合成苯乳酸,并实现辅因子NAD+和NADH的循环,至少需要三个酶的参与,比如用氨基酸脱氨酶和乳酸脱氢酶转化苯丙氨酸合成苯乳酸,还需在体系中添加葡萄糖脱氢酶,再在乳酸脱氢酶和葡萄糖脱氢酶的作用下实现辅因子NAD+和NADH的循环。因此,提供一种操作简便、成本低、转化率高、适合工业化生产的L-苯乳酸合成方法,对于工业上制备L-苯乳酸有重要的应用价值。
发明内容
本发明的第一个目的是提供一种基因工程菌,共表达了苯丙氨酸脱氢酶(PheDH)和L-羟基异己酸还原酶(L-HicDH),苯丙氨酸脱氢酶含SEQ ID NO.1所示的氨基酸序列,L-羟基异己酸还原酶含SEQ ID NO.2所示的氨基酸序列。
在本发明的一种实施方式中,以E.coli BL21(DE3)为宿主。
在本发明的一种实施方式中,以pET系列载体为表达载体。
本发明的第二个目的是提供一种构建上述基因工程菌的方法,将编码苯丙氨酸脱氢酶的基因、编码L-羟基异己酸还原酶的基因和载体通过酶切连接,得到重组质粒,将重组质粒转入宿主细胞中。
在本发明的一种实施方式中,所述的基因工程菌是大肠杆菌E.coli BL21(DE3)/pET28a-pdh-ldh,是以pET28a为载体,构建来自栗褐芽孢杆菌(Bacillus badius)的苯丙氨酸脱氢酶基因(pdh)和来自副干酪乳杆菌(Lactobacillus paracasei)的L-羟基异己酸还原酶基因(ldh)的共表达质粒pET28a-pdh-ldh,转化到E.coli BL21(DE3)中后得到共表达菌株E.coli BL21(DE3)/pET28a-pdh-ldh,并实现这两个酶在大肠杆菌的共表达。
在本发明的一种实施方式中,编码苯丙氨酸脱氢酶的基因如SEQ ID NO.3所示。
在本发明的一种实施方式中,编码L-羟基异己酸还原酶的基因如SEQ ID NO.3所示。
本发明的第三个目的是提供一种表达上述基因工程菌的方法,将基因工程菌接种到LB液体培养基,35~38℃,150~170rpm培养10~14h,作为种子液;将种子液以1.0%~5.0%的接种量接种到LB培养基中,振荡培养至OD600为0.4~0.6,加入诱导剂IPTG,20~25℃下培养10~20h。
本发明的第四个目的是提供一种生产苯乳酸的方法,以L-苯丙氨酸为底物,以上述的基因工程菌为生物催化剂。
在本发明的一种实施方式中,反应条件为22~26℃,200~220rpm反应7~15h。
在本发明的一种实施方式中,湿菌体与底物的质量比为(3~24):1。
在本发明的一种实施方式中,反应体系中添加了终浓度为0.005%~0.2%(V/V)的曲拉通-X-100、终浓度为0.005%~0.2%(V/V)的吐温-20或终浓度为0.005%~0.2%(W/V)的CTAB。
本发明的第五个目的是提供上述生产苯乳酸的方法在化工、制药或生物合成领域的应用。
本发明通过构建共表达苯丙氨酸脱氢酶和L-羟基酸还原酶的质粒pET28a-pdh-ldh,将该质粒转入大肠杆菌,获得重组菌株E.coli BL21(DE3)/pET28a-pdh-ldh。用重组菌株E.coli BL21(DE3)/pET28a-pdh-ldh的全细胞转化合成L-苯乳酸,20.0g/L~160.0g/L的全细胞转化合成L-苯乳酸的转化率为30.0%~70.0%,在添加了表面活性剂的条件下转化率可提高到89.6%~95.6%。本发明只需采用两种酶就可以解决辅因子NAD+和NADH的循环问题,相比已公开或公布的其他发明减少了辅因子循环所需酶的种类,并减少了辅因子的添加量,降低了生产成本,在工业化合成L-苯乳酸领域有很广阔的应用前景。
附图说明
图1:pET28a-pdh-ldh共表达质粒的构建过程。
图2:重组基因工程菌诱导表达后全菌液的SDS-PAGE图。
图3:以L-苯丙氨酸为底物转化合成L-苯乳酸的反应过程。
图4:不同全细胞浓度条件下L-苯乳酸的转化率。
图5:不同表面活性剂条件下L-苯乳酸的转化率。
具体实施方式
(一)培养基
LB培养基:蛋白胨10.0g/L,氯化钠10.0g/L,酵母粉5.0g/L。
(二)HPLC测定L-苯乳酸含量
柱:Sunfire C18;流速:1.0mL/min;温度:30℃;检测波长是254nm;流动相:乙腈(缓冲液A,含有0.1%三氟乙酸)和H2O(缓冲液B,含有0.1%三氟乙酸);梯度:在22分钟内从95.0%水梯度洗脱至100.0%乙腈。
实施例1共表达质粒pET28a-pdh-ldh的构建
人工合成苯丙氨酸脱氢酶基因pdh和L-羟基异己酸还原酶基因ldh。PCR扩增反应体系(50.0μL):ddH2O 35.5μL,5×Phusion HF Buffer 10.0μL,dNTPs 1.0μL,pdh-up/ldh-up 1.0μL,pdh-down/ldh-down 1.0μL,模板质粒1.0μL,Phusion酶0.5μL。反应条件:1)98℃预变性30s;2)98℃变性10s;3)68℃(pdh)/58.5℃(ldh)引物退火30s;4)72℃引物延伸35s(pdh)/50s(ldh)(重复步骤2~4,循环30次);5)72℃继续延伸7min。PCR产物经琼脂糖凝胶电泳验证后,用琼脂糖凝胶回收试剂盒去除杂质,纯化后的目的基因在4℃保存备用。
表1扩增基因pdh和ldh的引物
引物名称 | 引物序列 |
pdh-up | 5’-GGGCCCCATATGAGCTTAGTAGAAAAAACATCC-3’ |
pdh-down | 5’-GGGCCCGAATTCTTAGTTGCGAATATCCCATT-3’ |
ldh-up | 5’-GGGCCCGAATTCAAGGAGATATAATGGCACGTAAGATTGGAATTATCGG-3’ |
ldh-down | 5’-GATCCCCTCGAGGAGTGTATCCACAATTTCGTCGA-3’ |
(2)pET28a-pdh-ldh共表达质粒的构建(图1):以质粒pET28a为表达载体,构建重组质粒pET28a-pdh1。质粒pET28a与基因pdh用NdeI和EcoRI限制性内切酶双酶切。酶切体系(30.0μL):10×Buffer 3.0μL,pET28a-pdh 5.0μL,NdeI 1.0μL,EcoRI 1.0μL,ddH2O补足至30.0μL,37℃水浴15min,80℃水浴5min。
酶切后的产物用T4DNA连接酶连接,得到重组质粒pET28a-pdh1。连接体系(20.0μL):pET28a 3.0μL,pdh基因片段9.0μL,5×Buffer 4.0μL,T4DNA连接酶1.0μL,无菌水补足至20.0μL,22℃水浴15min,4℃冰浴过夜连接。
将连接产物转入E.coli DH5α感受态细胞中,将得到的重组菌命名为E.coli DH5α/pET28a-pdh1。从平板上挑取转化子单菌落接入LB(含1.0mmol/L卡那霉素)液体培养基过夜培养后,抽质粒酶切后,进行1.0%琼脂糖凝胶电泳验证,将验证成功后的菌液送测序,构建的重组质粒命名为pET28a-pdh1。
将重组质粒pET28a-pdh1和基因ldh片段用EcoRI和XhoI限制性内切酶双酶切,酶切体系(30.0μL):10×Buffer 3.0μL,pET28a-pdh-ldh 5.0μL,XhoI 1.0μL,EcoRI 1.0μL,ddH2O补足至30.0μL,37℃水浴15min,80℃水浴5min。
酶切后的产物用T4DNA连接酶连接,得到重组质粒pET28a-pdh-ldh。连接体系(20.0μL):pET28a-pdh1 4.0μL,ldh基因片段5.0μL,5×Buffer 4.0μL,T4DNA连接酶1.0μL,无菌水补足至20.0μL,22℃水浴15min,4℃冰浴过夜连接。
将连接产物转入E.coli DH5α感受态细胞中,将得到的重组菌命名为E.coli DH5α(pET28a-pdh-ldh)。从平板上挑取转化子单菌落接入LB(含1.0mmol/L卡那霉素)液体培养基过夜培养后,抽质粒酶切后,进行1.0%琼脂糖凝胶电泳验证,将验证成功后的菌液送测序,构建的共表达质粒命名为pET28a-pdh-ldh。
实施例2共表达菌株E.coli BL21(DE3)/pET28a-pdh-ldh的构建及诱导表达
将重组菌E.coli DH5α/pET28a-pdh-ldh活化培养后,提取质粒,将共表达质粒pET28a-pdh-ldh转入E.coli BL21(DE3)感受态细胞中,将得到的共表达菌株命名为E.coliBL21(DE3)/pET28a-pdh-ldh。
将共表达菌株E.coli BL21(DE3)/pET28a-pdh-ldh接种到LB(含1.0mmol/L卡那霉素)液体培养基,37℃,160rpm过夜培养,作为种子液。将种子液以1.0%的接种量接种到100.0mL LB(含1.0mmol/L卡那霉素)液体培养基中,振荡培养至OD600为0.6,加入0.8mmol/L的异丙基-β-D-硫代半乳糖苷(IPTG),22℃下培养14h。培养后的菌液在4℃,8000rpm,离心10min去上清,收集菌体。菌体用0.85%的生理盐水洗涤两次后备用。菌液用SDS-PAGE电泳鉴定(图2),其中:泳道1、泳道2为未诱导的全菌液,泳道3为IPTG诱导后全菌液,泳道3中两条条带大小分别符合苯丙氨酸脱氢酶(PheDH)和L-羟基异己酸还原酶(L-HicDH)目的蛋白大小,说明两个目的蛋白在E.coli BL21(DE3)中成功实现共表达。
实施例3共表达菌株E.coli BL21(DE3)/pET28a-pdh-ldh全细胞转化合成L-苯乳酸
以L-苯丙氨酸为底物转化合成L-苯乳酸分为两步反应:脱氨反应和还原反应(图3)。脱氨反应:苯丙氨酸脱氢酶将L-苯丙氨酸脱氨生成苯丙酮酸,同时,伴随着NAD+到NADH的转变。还原反应:L-羟基异己酸还原酶将苯丙酮酸还原成L-苯乳酸,同时,伴随着NADH到NAD+的转变。因此,选用苯丙氨酸脱氢酶和L-羟基异己酸还原酶的串联反应转化合成L-苯乳酸,可以实现辅因子NAD+和NADH的自循环。
全细胞转化体系(1.0mL):40.0mmol/L L-苯乳酸,10.0mmol/L NAD+,20.0~160.0g/L全细胞,150.0mmol/L甲酸铵缓冲液(pH 7.0)。该体系在25℃,200rpm反应12h。然后将样品4000rpm离心,取上清,过0.22μm膜后,进行HPLC测定。
结果显示(图4),横坐标是共表达菌株E.coli BL21(DE3)/pET28a-pdh-ldh全细胞的浓度,纵坐标是L-苯乳酸的转化率。共表达菌株E.coli BL21(DE3)/pET28a-pdh-ldh全细胞转化合成L-苯乳酸,20.0g/L~160.0g/L的全细胞转化合成L-苯乳酸的转化率为30.0%~70.0%。
在转化体系中加入不同的表面活性剂:曲拉通-X-100(Triton-X-100)(反应体系终浓度:0.005%~0.2%V/V)、吐温-20(Tween-20)(反应体系终浓度:0.005%~0.2%V/V)或十六烷基三甲基溴化胺(CTAB)(反应体系终浓度:0.005%~0.2%W/V),采用上述相同条件,共表达菌株E.coli BL21(DE3)/pET28a-pdh-ldh全细胞转化合成L-苯乳酸,以20.0g/L~160.0g/L的全细胞转化合成L-苯乳酸的转化率可达到88.9%~95.6%(图5)。本发明选用的两种酶能解决全细胞转化过程中辅因子NAD+和NADH的循环问题,减少了辅因子的添加量,降低L-苯乳酸的生产成本,在工业化生产L-苯乳酸领域有很大的潜力。
虽然本发明已以较佳实施例公开如上,但其并非用以限定本发明,任何熟悉此技术的人,在不脱离本发明的精神和范围内,都可做各种的改动与修饰,因此本发明的保护范围应该以权利要求书所界定的为准。
SEQUENCE LISTING
<110> 江南大学
<120> 一种基因工程菌株实现全细胞转化合成L-苯乳酸的方法
<160> 8
<170> PatentIn version 3.3
<210> 1
<211> 380
<212> PRT
<213> Bacillus badius
<400> 1
Met Ser Leu Val Glu Lys Thr Ser Ile Ile Lys Asp Phe Thr Leu Phe
1 5 10 15
Glu Lys Met Ser Glu His Glu Gln Val Val Phe Cys Asn Asp Pro Ala
20 25 30
Thr Gly Leu Arg Ala Ile Ile Ala Ile His Asp Thr Thr Leu Gly Pro
35 40 45
Ala Leu Gly Gly Cys Arg Met Gln Pro Tyr Asn Ser Val Glu Glu Ala
50 55 60
Leu Glu Asp Ala Leu Arg Leu Ser Lys Gly Met Thr Tyr Lys Cys Ala
65 70 75 80
Ala Ser Asp Val Asp Phe Gly Gly Gly Lys Ala Val Ile Ile Gly Asp
85 90 95
Pro Gln Lys Asp Lys Ser Pro Glu Leu Phe Arg Ala Phe Gly Gln Phe
100 105 110
Val Asp Ser Leu Gly Gly Arg Phe Tyr Thr Gly Thr Asp Met Gly Thr
115 120 125
Asn Met Glu Asp Phe Ile His Ala Met Lys Glu Thr Asn Cys Ile Val
130 135 140
Gly Val Pro Glu Ala Tyr Gly Gly Gly Gly Asp Ser Ser Ile Pro Thr
145 150 155 160
Ala Met Gly Val Leu Tyr Gly Ile Lys Ala Thr Asn Lys Met Leu Phe
165 170 175
Gly Lys Asp Asp Leu Gly Gly Val Thr Tyr Ala Ile Gln Gly Leu Gly
180 185 190
Lys Val Gly Tyr Lys Val Ala Glu Gly Leu Leu Glu Glu Gly Ala His
195 200 205
Leu Phe Val Thr Asp Ile Asn Glu Gln Thr Leu Glu Ala Ile Gln Glu
210 215 220
Lys Ala Lys Thr Thr Ser Gly Ser Val Thr Val Val Ala Ser Asp Glu
225 230 235 240
Ile Tyr Ser Gln Glu Ala Asp Val Phe Val Pro Cys Ala Phe Gly Gly
245 250 255
Val Val Asn Asp Glu Thr Met Lys Gln Phe Lys Val Lys Ala Ile Ala
260 265 270
Gly Ser Ala Asn Asn Gln Leu Leu Thr Glu Asp His Gly Arg His Leu
275 280 285
Ala Asp Lys Gly Ile Leu Tyr Ala Pro Asp Tyr Ile Val Asn Ser Gly
290 295 300
Gly Leu Ile Gln Val Ala Asp Glu Leu Tyr Glu Val Asn Lys Glu Arg
305 310 315 320
Val Leu Ala Lys Thr Lys His Ile Tyr Asp Ala Ile Leu Glu Val Tyr
325 330 335
Gln Gln Ala Glu Leu Asp Gln Ile Thr Thr Met Glu Ala Ala Asn Arg
340 345 350
Met Cys Glu Gln Arg Met Ala Ala Arg Gly Arg Arg Asn Ser Phe Phe
355 360 365
Thr Ser Ser Val Lys Pro Lys Trp Asp Ile Arg Asn
370 375 380
<210> 2
<211> 310
<212> PRT
<213> Lactobacillus paracasei
<400> 2
Met Ala Arg Lys Ile Gly Ile Ile Gly Leu Gly Asn Val Gly Ala Ala
1 5 10 15
Val Ala His Gly Leu Ile Ala Gln Gly Val Ala Asp Asp Tyr Val Phe
20 25 30
Ile Asp Ala Asn Glu Ala Lys Val Lys Ala Asp Gln Ile Asp Phe Gln
35 40 45
Asp Ala Met Ala Asn Leu Glu Ala His Gly Asn Ile Val Ile Asn Asp
50 55 60
Trp Ala Ala Leu Ala Asp Ala Asp Val Val Ile Ser Thr Leu Gly Asn
65 70 75 80
Ile Lys Leu Gln Gln Asp Asn Pro Thr Gly Asp Arg Phe Ala Glu Leu
85 90 95
Lys Phe Thr Ser Ser Met Val Gln Ser Val Gly Thr Asn Leu Lys Glu
100 105 110
Ser Gly Phe His Gly Val Leu Val Val Ile Ser Asn Pro Val Asp Val
115 120 125
Ile Thr Ala Leu Phe Gln His Val Thr Gly Phe Pro Ala His Lys Val
130 135 140
Ile Gly Thr Gly Thr Leu Leu Asp Thr Ala Arg Met Gln Arg Ala Val
145 150 155 160
Gly Glu Ala Phe Asp Leu Asp Pro Arg Ser Val Ser Gly Tyr Asn Leu
165 170 175
Gly Glu His Gly Asn Ser Gln Phe Val Ala Trp Ser Thr Val Arg Val
180 185 190
Met Gly Gln Pro Ile Val Thr Leu Ala Asp Ala Gly Asp Ile Asp Leu
195 200 205
Ala Ala Ile Glu Glu Glu Ala Arg Lys Gly Gly Phe Thr Val Leu Asn
210 215 220
Gly Lys Gly Tyr Thr Ser Tyr Gly Val Ala Thr Ser Ala Ile Arg Ile
225 230 235 240
Ala Lys Ala Val Met Ala Asp Ala His Ala Glu Leu Val Val Ser Asn
245 250 255
Arg Arg Asp Asp Met Gly Met Tyr Leu Ser Tyr Pro Ala Ile Ile Gly
260 265 270
Arg Asp Gly Val Leu Ala Glu Thr Thr Leu Asp Leu Thr Thr Asp Glu
275 280 285
Gln Glu Lys Leu Leu Gln Ser Arg Asp Tyr Ile Gln Gln Arg Phe Asp
290 295 300
Glu Ile Val Asp Thr Leu
305 310
<210> 3
<211> 1143
<212> DNA
<213> Bacillus badius
<400> 3
atgagcttag tagaaaaaac atccatcata aaagatttca ctctttttga aaaaatgtct 60
gaacatgaac aagttgtttt ttgcaacgat ccggcgacag gactaagggc cattatcgct 120
attcatgaca ccacactcgg acctgcgctc ggcggctgcc gcatgcagcc ttataacagt 180
gtggaagaag cattggaaga tgctcttcgc ctttccaaag gaatgactta caaatgcgcg 240
gcgtccgatg tcgactttgg cggcggaaaa gcagtcatta tcggtgatcc gcagaaagat 300
aaatctccag aactgttccg cgcgtttggc caatttgttg attcgcttgg cggccgtttc 360
tatacaggta ctgatatggg aacgaatatg gaagatttca ttcacgccat gaaagaaaca 420
aactgcattg ttggggtgcc ggaagcttac ggcggcggcg gagattcctc tattccaact 480
gccatgggtg tcctgtacgg cattaaagca accaacaaaa tgttgtttgg caaggacgat 540
cttggcggcg tcacttatgc cattcaagga cttggcaaag taggctacaa agtagcggaa 600
gggctgctcg aagaaggtgc tcatttattt gtaacggata ttaacgagca aacgttggag 660
gctatccagg aaaaagcaaa aacaacatcc ggttctgtca cggtagtagc gagcgatgaa 720
atttattccc aggaagccga tgtgttcgtt ccgtgtgcat ttggcggcgt tgttaatgat 780
gaaacgatga agcagttcaa ggtgaaagca atcgccggtt cagccaacaa tcagctgctt 840
acggaggatc acggcagaca ccttgcagac aaaggcattc tgtatgctcc ggattatatt 900
gttaactctg gcggtctgat ccaagtagcc gacgaattgt atgaggtgaa caaagaacgc 960
gtgcttgcga agacgaagca tatttacgac gcaattcttg aagtgtacca gcaagcggaa 1020
ttagatcaaa tcaccacaat ggaagcagcc aacagaatgt gtgagcaaag aatggcggca 1080
agaggccgac gcaacagctt ctttacttct tctgttaagc caaaatggga tattcgcaac 1140
taa 1143
<210> 4
<211> 933
<212> DNA
<213> Lactobacillus paracasei
<400> 4
atggcacgta agattggaat tatcggcctt ggaaacgttg gggctgccgt agcgcacgga 60
ttgattgcac aaggtgtagc cgacgactac gtctttattg atgcaaacga agcaaaggtg 120
aaggctgatc aaattgattt ccaagacgca atggcgaact tggaagcgca cggtaacatt 180
gtgattaacg attgggcagc cttggctgat gctgatgttg tgatttcaac actggggaac 240
atcaagttgc aacaagacaa cccaaccggt gaccgttttg ctgagttgaa gtttaccagc 300
agcatggtgc aatcagtcgg cacaaacttg aaggaatctg gtttccacgg cgtattggtc 360
gtgatttcaa acccggttga cgtgattacg gccttgttcc aacacgtgac tggtttccca 420
gctcacaagg ttatcggaac cggtactttg cttgacacgg cgcgtatgca acgtgcagtt 480
ggtgaggcgt ttgatttgga cccacgttct gtttcaggtt acaacttggg tgagcacggt 540
aactcacaat tcgtagcttg gtcaacggtg cgcgtgatgg gtcaaccaat cgtgacgttg 600
gctgatgccg gcgatattga cttggcggcc atcgaagagg aagcacgtaa gggtggcttc 660
acggtcttga atggtaaggg ctacacgagt tatggtgttg caacgtcagc aatccgcatt 720
gccaaggctg ttatggctga cgcgcatgct gaattggttg tctcaaatcg tcgcgatgac 780
atgggaatgt acttgtcata cccagcgatt attggtcgcg atggtgtctt ggcagaaacg 840
acgcttgatt tgacgacgga tgagcaagaa aagctcttgc aatcacgtga ctacatccaa 900
caacgtttcg acgaaattgt ggatacactc taa 933
<210> 5
<211> 33
<212> DNA
<213> 人工合成
<400> 5
gggccccata tgagcttagt agaaaaaaca tcc 33
<210> 6
<211> 32
<212> DNA
<213> 人工合成
<400> 6
gggcccgaat tcttagttgc gaatatccca tt 32
<210> 7
<211> 49
<212> DNA
<213> 人工合成
<400> 7
gggcccgaat tcaaggagat ataatggcac gtaagattgg aattatcgg 49
<210> 8
<211> 35
<212> DNA
<213> 人工合成
<400> 8
gatcccctcg aggagtgtat ccacaatttc gtcga 35
Claims (10)
1.一种基因工程菌,其特征在于,共表达了苯丙氨酸脱氢酶和L-羟基异己酸还原酶,苯丙氨酸脱氢酶氨基酸序列如SEQ ID NO.1所示,L-羟基异己酸还原酶氨基酸序列如SEQ IDNO.2所示;所述的基因工程菌,以E.coliBL21(DE3)为宿主。
2.如权利要求1所述的基因工程菌,其特征在于,以pET系列载体为表达载体。
3.一种构建权利要求1-2任一所述基因工程菌的方法,将编码苯丙氨酸脱氢酶的基因、编码L-羟基异己酸还原酶的基因和载体通过酶切连接,得到重组质粒,将重组质粒转入宿主细胞中。
4.一种表达权利要求1-2任一所述基因工程菌的方法,其特征在于,将基因工程菌接种到LB液体培养基,35~38℃,150~170rpm培养10~14h,作为种子液;将种子液以1.0%~5.0%的接种量接种到LB培养基中,振荡培养至OD600为0.4~0.6,加入诱导剂IPTG,20-25℃下培养10~20h。
5.一种生产L-苯乳酸的方法,其特征在于,以L-苯丙氨酸为底物,以权利要求1-3任一所述的基因工程菌为生物催化剂。
6.如权利要求5所述的方法,其特征在于,反应条件为22~26℃,200~220rpm反应7~15h。
7.如权利要求5所述的方法,其特征在于,湿菌体与底物的质量比为(3~24):1。
8.如权利要求6所述的方法,其特征在于,湿菌体与底物的质量比为(3~24):1。
9.如权利要求5-8任一所述的方法,其特征在于,反应体系中添加了终浓度为0.005%~0.2%(V/V)的曲拉通-X-100、终浓度为0.005%~0.2%(V/V)的吐温-20或终浓度为0.005%~0.2%(W/V)的CTAB。
10.权利要求5-9任一所述的方法在制备L-苯乳酸中的应用。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910044513.5A CN109593702B (zh) | 2019-01-17 | 2019-01-17 | 一种基因工程菌株实现全细胞转化合成l-苯乳酸的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910044513.5A CN109593702B (zh) | 2019-01-17 | 2019-01-17 | 一种基因工程菌株实现全细胞转化合成l-苯乳酸的方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN109593702A CN109593702A (zh) | 2019-04-09 |
CN109593702B true CN109593702B (zh) | 2020-10-09 |
Family
ID=65966274
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910044513.5A Active CN109593702B (zh) | 2019-01-17 | 2019-01-17 | 一种基因工程菌株实现全细胞转化合成l-苯乳酸的方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109593702B (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108841844B (zh) * | 2018-06-26 | 2022-09-06 | 江南大学 | 一种高效生产苯丙酮酸的方法 |
CN109517778B (zh) * | 2018-12-20 | 2021-03-02 | 江南大学 | 一种枯草芽孢杆菌全细胞转化苯丙氨酸生产苯乳酸的方法 |
CN113025544A (zh) * | 2021-03-02 | 2021-06-25 | 江南大学 | 一种利用重组微生物全细胞催化合成l-苯乳酸的方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104130967B (zh) * | 2014-08-11 | 2017-12-19 | 南京林业大学 | 一株共表达l‑乳酸脱氢酶和甲酸脱氢酶的大肠杆菌及其构建方法与应用 |
EP3388523A1 (en) * | 2017-04-13 | 2018-10-17 | Evonik Degussa GmbH | Enzymatic method for producing 2-hydroxy-4-methylmercaptobutanoic acid (mha) |
CN108277190A (zh) * | 2018-01-18 | 2018-07-13 | 江南大学 | 一种全细胞转化苯丙氨酸生产苯乳酸的方法 |
-
2019
- 2019-01-17 CN CN201910044513.5A patent/CN109593702B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN109593702A (zh) | 2019-04-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108424900B (zh) | 一种腈水解酶突变体及其构建方法和应用 | |
CN109593702B (zh) | 一种基因工程菌株实现全细胞转化合成l-苯乳酸的方法 | |
CN112210524B (zh) | 一种联产3-羟基丙酸和1,3-丙二醇的基因工程菌及其构建方法和应用 | |
CN112662637B (zh) | 一种甲酸脱氢酶突变体及其制备方法和应用 | |
CN108410831B (zh) | 酮酸还原酶、基因、工程菌及在合成手性芳香2-羟酸中的应用 | |
CN109679978B (zh) | 一种用于制备l-2-氨基丁酸的重组共表达体系及其应用 | |
CN109055417B (zh) | 一种重组微生物、其制备方法及其在生产辅酶q10中的应用 | |
CN103131659A (zh) | 一种耐有机溶剂脂肪酶、其编码基因、产生菌株及应用 | |
CN109706189B (zh) | 一种d-手性肌醇的制备方法 | |
US11760988B2 (en) | L-aspartate alpha-decarboxylase mutant and application thereof | |
CN115806923A (zh) | 一种含有脂酰辅酶a氧化酶基因的工程菌及其在制备10-羟基-2-癸烯酸中的应用 | |
CN114350630A (zh) | L-泛解酸内酯脱氢酶、突变体及其应用 | |
CN109517778B (zh) | 一种枯草芽孢杆菌全细胞转化苯丙氨酸生产苯乳酸的方法 | |
CN109929853B (zh) | 嗜热菌来源的热激蛋白基因的应用 | |
CN109097315B (zh) | 一种高产脂肽的基因工程菌及其构建方法和应用 | |
CN113061563A (zh) | 一种利用重组大肠杆菌全细胞催化合成l-苹果酸的方法 | |
CN109897872B (zh) | 酶法制备(2s,3s)-n-叔丁氧羰基-3-氨基-1-氯-2-羟基-4-苯基丁烷 | |
CN116179521B (zh) | 一种精氨酸酶突变体、其重组体及其在连续催化中的应用 | |
CN114875087B (zh) | 以β-吲哚基丙氨酸为底物合成5-羟基β-吲哚基丙氨酸的方法及其应用 | |
CN112553174B (zh) | 一种脱氢酶在(r)-9-(2-羟丙基)腺嘌呤制备中的应用 | |
CN114703114A (zh) | 一种基因工程菌及其用途和制备l-苯苷氨酸的方法 | |
CN116640752A (zh) | 乌头酸水合酶突变体及其应用 | |
CN115786295A (zh) | 一种l-泛解酸内酯脱氢酶、编码基因及应用 | |
CN115011537A (zh) | 一株双厌氧启动子诱导产高光学纯l-乳酸的工程菌及其制备方法与应用 | |
CN114836457A (zh) | 一种生产手性苯甘氨酸的基因工程菌的制备及应用 |
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 | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20231026 Address after: No. 26 Kaifu Road, Xinghua Economic Development Zone, Taizhou City, Jiangsu Province, 225300 Patentee after: XINGHUA GREEN BIOLOGICAL PREPARATION Co.,Ltd. Address before: No. 1800 Lihu Avenue, Wuxi City, Jiangsu Province Patentee before: Jiangnan University |