WO2006054164A2 - A single step procedure for the purification and activation of tagged p38 map kinase - Google Patents
A single step procedure for the purification and activation of tagged p38 map kinase Download PDFInfo
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- WO2006054164A2 WO2006054164A2 PCT/IB2005/003462 IB2005003462W WO2006054164A2 WO 2006054164 A2 WO2006054164 A2 WO 2006054164A2 IB 2005003462 W IB2005003462 W IB 2005003462W WO 2006054164 A2 WO2006054164 A2 WO 2006054164A2
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- WIPO (PCT)
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- map kinase
- gst
- tagged
- tris
- process according
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- 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
- C12N9/10—Transferases (2.)
- C12N9/12—Transferases (2.) transferring phosphorus containing groups, e.g. kinases (2.7)
- C12N9/1205—Phosphotransferases with an alcohol group as acceptor (2.7.1), e.g. protein kinases
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2319/00—Fusion polypeptide
- C07K2319/20—Fusion polypeptide containing a tag with affinity for a non-protein ligand
- C07K2319/23—Fusion polypeptide containing a tag with affinity for a non-protein ligand containing a GST-tag
Definitions
- the present invention provides a single step procedure for the purification and activation of tagged p38 MAP kinase by affinity chromatography.
- the tagged p38 MAP kinase is expressed in E. coli and subsequently activated by using differentially tagged active upstream activators.
- MAP Kinases can be activated directly by dual phosphorylation at threonine and serine residues in the activation loop by upstream dual specificity protein kinases, such as MAP kinase kinases (MAPKKs or MKKs). Many proteins that are activated by phosphorylation are artificially modified into active forms by mutating the desired amino acid to a phosphoamino acid-mimicking acidic amino acid(s).
- MAPKKs or MKKs upstream dual specificity protein kinases
- Many proteins that are activated by phosphorylation are artificially modified into active forms by mutating the desired amino acid to a phosphoamino acid-mimicking acidic amino acid(s).
- One of the obstacles in studying the biochemical properties of individual MAP kinase modules and their constituents is the difficulty in obtaining sufficient quantities in a purified form.
- the other problematic area is that even after obtaining the pure form expressed as recombinant proteins in bacteria, they have to be activated in vitro using the individual components.
- the present invention now provides a simultaneous purification and activation process for appropriately tagged p38 MAP kinase. Summary of the Invention hi one general aspect there is provided a process for the preparation of purified bisphosphorylated GST- p38 MAP Kinase.
- the process includes adsorbing of the impure GST- p38 MAP Kinase on a GST specific column; washing the column with a phosphate buffered saline solution; loading of the tagged upstream activator and activation buffer into the column; washing of the column with phosphate buffered saline, and eluting the bisphosphorylated GST- p38 MAP Kinase off the column with one or more elution buffers.
- the tagged upstream activator may include His-MKK6, MYC- MKK6, His-MKK3, MYC-MKK3, CBD-MKK6, CBD-MKK3, MBP-MKK6 or MBP- MKK3 changes.
- the activation buffer may include one or more of 8-12 mM HEPES (N-2- hydroxyethylpiperazine-iV-2-ethanesulfonic acid), 8-12 mM MgCl 2 , 0.1-0.4 HiM Na 3 VO 4 , 0.02-0.05% Brij-35, 0.5-1.5 mM ATP and 0.5-2.0 mM DTT or 5-20 mM TRIS (tris (hydroxymethyl) aminomethane), 8-12 mM MgCl 2 , 0.1-0.4 mM Na 3 VO 4 , 0.02-0.05% Brij-35, 0.5-1.5 mM ATP and 0.5-2.0 mM DTT.
- 8-12 mM HEPES N-2- hydroxyethylpiperazine-iV-2-ethanesulfonic acid
- 8-12 mM MgCl 2 0.1-0.4 HiM Na 3 VO 4
- 0.02-0.05% Brij-35 0.5-1.5 mM ATP and
- the activation buffer may be one or more of 10 mM HEPES, 10 mM MgCl 2 , 0.2 mM Na 3 VO 4 , 0.03% Brij-35, 1 mM ATP and 1.5 mM DTT or 10 mM TRIS, 10 mM MgCl 2 , 0.2 mM Na 3 VO 4 , 0.03% Brij-35, 1 mM ATP and 1.5 mM DTT.
- the elution buffer may include 50 mM Tris-HCl and 10 mM glutathione, 50 mM Tris-HBr andlO mM glutathione or 50 mM Tris-HI and 10 mM glutathione.
- the elution buffer may be adjusted to pH 8.0.
- the purity of bisphosphorylated GST- p38 MAP Kinase may be greater than about 85% to about 90%. About 75% to about 90% of the GST- p38 MAP Kinase may be bisphoshorylated.
- Figure 1 The ELISA test revealed the activation of GST p38 MAP Kinase was from about 75% to about 90% as compared with the standard p38 MAPK.
- Figure 2 10% SDS-PAGE gel showing the profile of bisphosphorylated GST-p38 MAPK and subsequent densitometry analysis showed purity greater than or equal to about 90%.
- the arrow is directed to the 70 KDa marker.
- the present invention is a unique methodology for the activation of proteins. It allows for simultaneous purification and activation in a column as a single step.
- the activation of the protein is done by bisphosphorylation of the tagged p38 MAP Kinase with an upstream activator in the presence of a phosphate donor, such as ATP.
- the activated p38 MAP kinase is purified to greater than or equal to about 90% purity with about 75% to 90% activation.
- p38 MAPK was cloned as an appropriately tagged fusion protein, in this case GST, and expressed in E.coli BL21 cells as per the process described by Lisnock et. al., Biochemistry, 37 (47), 16573-81 (1998).
- the cells were grown in 1000 ml LB medium at 37 0 C with agitation at 225 rpm until the 0.D 600 was 0.8. Expression was induced with isopropylthio-, -D-galactoside (IPTG) at a final concentration of 0.25 mM for 8 to 12 hours at 18-3O 0 C. The final cell suspension was centrifuged at 2380 g for lO min.
- IPTG isopropylthio-, -D-galactoside
- the upstream activator (for example, MKK6 or MKK3) was cloned as a differentially tagged (e.g. His-tag, Myc-tag, Maltose binding protein (MBP) tag, cellulose binding domain (CBD)-tag) fusion protein and expressed in E.coli M15 cells.
- the cells were grown in 500 ml LB medium at 37 0 C with agitation at 225 rpm until the 0.D 600 was 0.8.
- Expression was induced with isopropylthio-, -D-galactoside (IPTG) at a final concentration of 0.5 mM for 3 hours at 37 0 C.
- IPTG isopropylthio-, -D-galactoside
- the final cell suspension was centrifuged at 2380 g for 10 min to form a cell pellet.
- the cell pellet was resuspended in lysis buffer, containing 10 mM Tris-HCl, pH 7.4, 1 50 mM NaCl, 10 mM DTT, 10% glycerol, 1% Triton-XIOO and IX protease inhibitors.
- the mixture was freeze-thawed 4 times and was put on ice for 45 mins.
- the suspension was then centrifuged at 35,000 rpm at 4 0 C for 30 mins. The supernatant was collected and kept aside.
- the differentially tagged upstream activator wherein the upstream activator includes MKK6 or MMK3 and the tag includes His (Histidine), MYC protein, Maltose binding protein (MBP) or cellulose binding domain (CBD) (as per the process described by Lisnock et. al., Biochemistry 37(47), 16573-81 (1998)), was purified using an affinity column according to the manufacturer's instructions.
- the affinity column may include a HisTrapTM, MYCtrap FF, Amylose-column or Calmodulin-binding resin column.
- the GST-p38 MAP Kinase was loaded onto the GST column (Amersham Biosciences) with PBS (phosphate buffered saline), pH 7.3 and washed until the 0.D 280 achieved a stable base line.
- the differentially tagged upstream activator wherein differentially tagged upstream activator is the same as defined above, was loaded along with activation buffer that includes 8-12 mM HEPES (N-2-hydroxyethylpiperazine-JV'-2- ethanesulfonic acid), 8-12 mM MgCl 2 , 0.1-0.4 mM Na 3 VO 4 , 0.02-0.05% Brij-35, 0.5-1.5 mM ATP and 0.5-2.0 mM DTT or 5-20 mM TRIS (tris (hydroxymethyl) aminoniethane), 8-12 mM MgCl 2 , 0.1-0.4 mM Na 3 VO 4 , 0.02-0.05% Brij-35, 0.5-1.5 mM ATP
- the ELISA results showed the activation or bis-phosphorylation of GST-p38 MAPK.
- the assay was carried out with a commercially available kit from Biosource. CB- chromogen blank, SDB - standard dilution buffer, standard p38 MAPK (200 pg) and sequentially diluted bisphosphorylated GST-p38 MAPK.
- the purity of the activated protein was determined by running the sample on a SDS-PAGE (10%) gel and using densitometric analysis.
- the densitometry test revealed that GST-p38 MAP Kinase was obtained with a purity of more than about 85% to about 90%.
Abstract
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IN2330DE2004 | 2004-11-19 | ||
IN2330/DEL/2004 | 2004-11-19 |
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WO2006054164A2 true WO2006054164A2 (en) | 2006-05-26 |
WO2006054164A3 WO2006054164A3 (en) | 2006-07-13 |
WO2006054164B1 WO2006054164B1 (en) | 2006-10-26 |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999002547A1 (en) * | 1997-07-07 | 1999-01-21 | University Of Massachusetts | Cytokine-, stress-, and oncoprotein-activated human protein kinase kinases |
WO2000036096A1 (en) * | 1998-12-16 | 2000-06-22 | Vertex Pharmaceuticals Incorporated | Crystallized p38 complexes |
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- 2005-11-19 WO PCT/IB2005/003462 patent/WO2006054164A2/en active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999002547A1 (en) * | 1997-07-07 | 1999-01-21 | University Of Massachusetts | Cytokine-, stress-, and oncoprotein-activated human protein kinase kinases |
WO2000036096A1 (en) * | 1998-12-16 | 2000-06-22 | Vertex Pharmaceuticals Incorporated | Crystallized p38 complexes |
Non-Patent Citations (8)
Title |
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BELLON S ET AL: "The structure of phosphorylated P38gamma is monomeric and reveals a conserved activation-loop conformation" STRUCTURE, CURRENT BIOLOGY LTD., PHILADELPHIA, PA, US, vol. 7, 15 September 1999 (1999-09-15), pages 1057-1065, XP000909285 ISSN: 0969-2126 * |
BROWN M C ET AL: "Serine and threonine phosphorylation of the paxillin LIM domains regulates paxillin focal adhesion localization and cell adhesion to fibronectin." MOLECULAR BIOLOGY OF THE CELL. JUL 1998, vol. 9, no. 7, July 1998 (1998-07), pages 1803-1816, XP002377946 ISSN: 1059-1524 * |
CAI X-Y ET AL: "Expression, Purification, and Characterization of an Activated Cytokine-Suppressive Anti-inflammatory Drug-Binding Protein 2 (CSBP2) Kinase from Baculovirus-Infected Insect Cells" PROTEIN EXPRESSION AND PURIFICATION, ACADEMIC PRESS, SAN DIEGO, CA, US, vol. 10, no. 2, July 1997 (1997-07), pages 263-274, XP004451789 ISSN: 1046-5928 * |
KEESLER G A ET AL: "Purification and Activation of Recombinant p38 Isoforms alpha, beta, gamma, and delta" PROTEIN EXPRESSION AND PURIFICATION, ACADEMIC PRESS, SAN DIEGO, CA, US, vol. 14, no. 2, November 1998 (1998-11), pages 221-228, XP004445194 ISSN: 1046-5928 * |
KHOKHLATCHEV ANDREI ET AL: "Reconstitution of mitogen-activated protein kinase phosphorylation cascades in bacteria: Efficient synthesis of active protein kinase" JOURNAL OF BIOLOGICAL CHEMISTRY, AMERICAN SOCIETY OF BIOLOCHEMICAL BIOLOGISTS, BIRMINGHAM,, US, vol. 272, no. 17, 1997, pages 11057-11062, XP002163437 ISSN: 0021-9258 * |
MATSUSHITA Y ET AL: "In vitro phosphorylation of the movement protein of tomato mosaic tobamovirus by a cellular kinase." THE JOURNAL OF GENERAL VIROLOGY. AUG 2000, vol. 81, no. Pt 8, August 2000 (2000-08), pages 2095-2102, XP002377948 ISSN: 0022-1317 * |
WU ET AL: "Assaying Bcr-Abl kinase activity and inhibition in whole cell extracts by phosphorylation of substrates immobilized on agarose beads" ANALYTICAL BIOCHEMISTRY, ACADEMIC PRESS, NEW YORK, NY, US, vol. 347, no. 1, 1 December 2005 (2005-12-01), pages 67-76, XP005153556 ISSN: 0003-2697 * |
YAHUACA P ET AL: "Identification of a protein kinase activity that phosphorylates connexin43 in a pH-dependent manner." BRAZILIAN JOURNAL OF MEDICAL AND BIOLOGICAL RESEARCH = REVISTA BRASILEIRA DE PESQUISAS MÉDICAS E BIOLÓGICAS / SOCIEDADE BRASILEIRA DE BIOFÍSICA ... ÄET AL.Ü. APR 2000, vol. 33, no. 4, April 2000 (2000-04), pages 399-406, XP002377947 ISSN: 0100-879X * |
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WO2006054164A3 (en) | 2006-07-13 |
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