1gct

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[[Image:1gct.gif|left|200px]]
[[Image:1gct.gif|left|200px]]
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{{Structure
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<!--
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|PDB= 1gct |SIZE=350|CAPTION= <scene name='initialview01'>1gct</scene>, resolution 1.6&Aring;
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The line below this paragraph, containing "STRUCTURE_1gct", creates the "Structure Box" on the page.
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|SITE=
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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|LIGAND= <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene>, <scene name='pdbligand=UNK:UNKNOWN'>UNK</scene>
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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|ACTIVITY= <span class='plainlinks'>[http://en.wikipedia.org/wiki/Chymotrypsin Chymotrypsin], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.4.21.1 3.4.21.1] </span>
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or leave the SCENE parameter empty for the default display.
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|GENE=
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|DOMAIN=
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{{STRUCTURE_1gct| PDB=1gct | SCENE= }}
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|RELATEDENTRY=
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1gct FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1gct OCA], [http://www.ebi.ac.uk/pdbsum/1gct PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1gct RCSB]</span>
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}}
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'''IS GAMMA-CHYMOTRYPSIN A TETRAPEPTIDE ACYL-ENZYME ADDUCT OF GAMMA-CHYMOTRYPSIN?'''
'''IS GAMMA-CHYMOTRYPSIN A TETRAPEPTIDE ACYL-ENZYME ADDUCT OF GAMMA-CHYMOTRYPSIN?'''
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==About this Structure==
==About this Structure==
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1GCT is a [[Protein complex]] structure of sequences from [http://en.wikipedia.org/wiki/ ]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1GCT OCA].
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Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1GCT OCA].
==Reference==
==Reference==
Is gamma-chymotrypsin a tetrapeptide acyl-enzyme adduct of alpha-chymotrypsin?, Dixon MM, Matthews BW, Biochemistry. 1989 Aug 22;28(17):7033-8. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/2819046 2819046]
Is gamma-chymotrypsin a tetrapeptide acyl-enzyme adduct of alpha-chymotrypsin?, Dixon MM, Matthews BW, Biochemistry. 1989 Aug 22;28(17):7033-8. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/2819046 2819046]
[[Category: Chymotrypsin]]
[[Category: Chymotrypsin]]
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[[Category: Protein complex]]
 
[[Category: Dixon, M M.]]
[[Category: Dixon, M M.]]
[[Category: Matthews, B W.]]
[[Category: Matthews, B W.]]
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[[Category: hydrolase (serine proteinase)]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 17:25:27 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 20:41:31 2008''
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Revision as of 14:25, 2 May 2008

Template:STRUCTURE 1gct

IS GAMMA-CHYMOTRYPSIN A TETRAPEPTIDE ACYL-ENZYME ADDUCT OF GAMMA-CHYMOTRYPSIN?


Overview

Refinement of the structure of gamma-chymotrypsin based on X-ray crystallographic data to 1.6-A resolution has confirmed the overall conformation of the molecule as reported previously [Cohen, G. H., Silverton, E. W., & Davies, D. R. (1981) J. Mol. Biol. 148, 449-479]. In addition, the new refinement suggests that gamma-chymotrypsin, which is operationally defined by its crystalline habit, may not be the free enzyme but rather a complex, possibly an acyl-enzyme adduct, with the tetrapeptide Pro-Gly-Ala-Tyr (or a close homologue). The crystallographic refinement provides a detailed geometrical description of the enzyme-substrate-solvent interactions that occur in the presumptive adduct.

About this Structure

Full crystallographic information is available from OCA.

Reference

Is gamma-chymotrypsin a tetrapeptide acyl-enzyme adduct of alpha-chymotrypsin?, Dixon MM, Matthews BW, Biochemistry. 1989 Aug 22;28(17):7033-8. PMID:2819046 Page seeded by OCA on Fri May 2 17:25:27 2008

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