6cox: Difference between revisions

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[[Image:6cox.gif|left|200px]]
{{Seed}}
[[Image:6cox.png|left|200px]]


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{{STRUCTURE_6cox|  PDB=6cox  |  SCENE=  }}  
{{STRUCTURE_6cox|  PDB=6cox  |  SCENE=  }}  


'''CYCLOOXYGENASE-2 (PROSTAGLANDIN SYNTHASE-2) COMPLEXED WITH A SELECTIVE INHIBITOR, SC-558 IN I222 SPACE GROUP'''
===CYCLOOXYGENASE-2 (PROSTAGLANDIN SYNTHASE-2) COMPLEXED WITH A SELECTIVE INHIBITOR, SC-558 IN I222 SPACE GROUP===




==Overview==
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Prostaglandins and glucocorticoids are potent mediators of inflammation. Non-steroidal anti-inflammatory drugs (NSAIDs) exert their effects by inhibition of prostaglandin production. The pharmacological target of NSAIDs is cyclooxygenase (COX, also known as PGH synthase), which catalyses the first committed step in arachidonic-acid metabolism. Two isoforms of the membrane protein COX are known: COX-1, which is constitutively expressed in most tissues, is responsible for the physiological production of prostaglandins; and COX-2, which is induced by cytokines, mitogens and endotoxins in inflammatory cells, is responsible for the elevated production of prostaglandins during inflammation. The structure of ovine COX-1 complexed with several NSAIDs has been determined. Here we report the structures of unliganded murine COX-2 and complexes with flurbiprofen, indomethacin and SC-558, a selective COX-2 inhibitor, determined at 3.0 to 2.5 A resolution. These structures explain the structural basis for the selective inhibition of COX-2, and demonstrate some of the conformational changes associated with time-dependent inhibition.
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{{ABSTRACT_PUBMED_8967954}}


==About this Structure==
==About this Structure==
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[[Category: Prostaglandin]]
[[Category: Prostaglandin]]
[[Category: Prostaglandin synthase]]
[[Category: Prostaglandin synthase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Jul 3 14:16:23 2008''

Revision as of 11:16, 3 July 2008

File:6cox.png

Template:STRUCTURE 6cox

CYCLOOXYGENASE-2 (PROSTAGLANDIN SYNTHASE-2) COMPLEXED WITH A SELECTIVE INHIBITOR, SC-558 IN I222 SPACE GROUP

Template:ABSTRACT PUBMED 8967954

About this Structure

6COX is a Single protein structure of sequence from Mus musculus. Full crystallographic information is available from OCA.

Reference

Structural basis for selective inhibition of cyclooxygenase-2 by anti-inflammatory agents., Kurumbail RG, Stevens AM, Gierse JK, McDonald JJ, Stegeman RA, Pak JY, Gildehaus D, Miyashiro JM, Penning TD, Seibert K, Isakson PC, Stallings WC, Nature. 1996 Dec 19-26;384(6610):644-8. PMID:8967954

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