1qb1: Difference between revisions

Revision as of 16:54, 30 October 2007

BOVINE TRYPSIN WITH 1-[2-[5-[AMINO(IMINO)METHYL]-2-HYDROXYPHENOXY]-6-[3-(4,5-DIHYDRO-1-METHYL-1H-IMIDAZOL-2-YL)PHENOXY]PYRIDIN-4-YL]PIPERIDINE-3-CARBOXYLIC ACID (ZK-806974)

OverviewOverview

Factor Xa is a serine protease which activates thrombin (factor IIa) and, plays a key regulatory role in the blood-coagulation cascade. Factor Xa, is, therefore, an important target for the design of anti-thrombotics., Both factor Xa and thrombin share sequence and structural homology with, trypsin. As part of a factor Xa inhibitor-design program, a number of, factor Xa inhibitors were crystallographically studied complexed to bovine, trypsin. The structures of one diaryl benzimidazole, one diaryl carbazole, and three diaryloxypyridines are described. All five compounds bind to, trypsin in an extended conformation, with an amidinoaryl group in the S1, pocket and a second basic/hydrophobic moiety bound in the S4 pocket. These, binding modes all bear a resemblance to the reported binding ... [(full description)]

About this StructureAbout this Structure

1QB1 is a [Single protein] structure of sequence from [Bos taurus] with CA and 974 as [ligands]. Active as [Trypsin], with EC number [3.4.21.4]. Structure known Active Site: 974. Full crystallographic information is available from [OCA].

ReferenceReference

Crystallographic analysis of potent and selective factor Xa inhibitors complexed to bovine trypsin., Whitlow M, Arnaiz DO, Buckman BO, Davey DD, Griedel B, Guilford WJ, Koovakkat SK, Liang A, Mohan R, Phillips GB, Seto M, Shaw KJ, Xu W, Zhao Z, Light DR, Morrissey MM, Acta Crystallogr D Biol Crystallogr. 1999 Aug;55(Pt 8):1395-404. PMID:10417407

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OCA

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	[[Category: serine proteinase]]		[[Category: serine proteinase]]

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