1f1j

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==Overview==
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{{ABSTRACT_10873833}}
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BACKGROUND: Peptide inhibitors of caspases have helped define the role of these cysteine proteases in biology. Structural and biochemical characterization of the caspase enzymes may contribute to the development of new drugs for the treatment of caspase-mediated inflammation and apoptosis. RESULTS: The crystal structure of the previously unpublished caspase-7 (Csp7; 2.35 A) bound to the reversible tetrapeptide aldehyde inhibitor acetyl-Asp-Glu-Val-Asp-CHO is compared with crystal structures of caspases-1 (2.3 A), -3 (2.2 A), and -8 (2.65 A) bound to the same inhibitor. Csp7 is a close homolog of caspase-3 (Csp3), and these two caspases possess some quarternary structural characteristics that support their unique role among the caspase family. However, although Csp3 and Csp7 are quite similar overall, they were found to have a significantly different substitution pattern of amino acids in and around the S4-binding site. CONCLUSIONS: These structures span all three caspase subgroups, and provide a basis for inferring substrate and inhibitor binding, as well as selectivity for the entire caspase family. This information will influence the design of selective caspase inhibitors to further elucidate the role of caspases in biology and hopefully lead to the design of therapeutic agents to treat caspase-mediated diseases, such as rheumatoid arthritis, certain neurogenerative diseases and stroke.
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==About this Structure==
==About this Structure==
1F1J is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. The following page contains interesting information on the relation of 1F1J with [[http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/pdb56_1.html Caspases]]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1F1J OCA].
1F1J is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. The following page contains interesting information on the relation of 1F1J with [[http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/pdb56_1.html Caspases]]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1F1J OCA].
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==Reference==
 
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The structures of caspases-1, -3, -7 and -8 reveal the basis for substrate and inhibitor selectivity., Wei Y, Fox T, Chambers SP, Sintchak J, Coll JT, Golec JM, Swenson L, Wilson KP, Charifson PS, Chem Biol. 2000 Jun;7(6):423-32. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/10873833 10873833]
 
[[Category: Caspases]]
[[Category: Caspases]]
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Caspase-7]]
[[Category: Caspase-7]]
[[Category: Cysteine protease]]
[[Category: Cysteine protease]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 15:46:50 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Jun 26 17:15:14 2008''

Revision as of 14:15, 26 June 2008

Image:1f1j.png


PDB ID 1f1j

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1f1j, resolution 2.35Å ()
Ligands:
Non-Standard Residues: ,
Resources: FirstGlance, OCA, RCSB, PDBsum
Coordinates: save as pdb, mmCIF, xml



CRYSTAL STRUCTURE OF CASPASE-7 IN COMPLEX WITH ACETYL-ASP-GLU-VAL-ASP-CHO


Template:ABSTRACT 10873833

About this Structure

1F1J is a Single protein structure of sequence from Homo sapiens. The following page contains interesting information on the relation of 1F1J with [Caspases]. Full crystallographic information is available from OCA.

Page seeded by OCA on Thu Jun 26 17:15:14 2008

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