1ath

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[[Image:1ath.gif|left|200px]]
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{{STRUCTURE_1ath| PDB=1ath | SCENE= }}
{{STRUCTURE_1ath| PDB=1ath | SCENE= }}
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'''THE INTACT AND CLEAVED HUMAN ANTITHROMBIN III COMPLEX AS A MODEL FOR SERPIN-PROTEINASE INTERACTIONS'''
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===THE INTACT AND CLEAVED HUMAN ANTITHROMBIN III COMPLEX AS A MODEL FOR SERPIN-PROTEINASE INTERACTIONS===
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==Overview==
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Antithrombin is a member of the serine proteinase inhibitor (serpin) family which contain a flexible reactive site loop that interacts with, and is cleaved by the target proteinase. In cleaved and latent serpins, the reactive site loop is inserted into a large central beta-sheet in the same molecule, whereas in ovalbumin, a nonfunctional serpin, the reactive site loop is completely exposed and in an alpha-helical conformation. However, in neither conformation can the reactive site loop bind to target proteinases. Here we report the structure of an intact and cleaved human antithrombin complex. The intact reactive site loop is in a novel conformation that seems well suited for interaction with proteinases such as thrombin and blood coagulation factor Xa.
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(as it appears on PubMed at http://www.pubmed.gov), where 7656006 is the PubMed ID number.
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{{ABSTRACT_PUBMED_7656006}}
==About this Structure==
==About this Structure==
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[[Category: Schreuder, H A.]]
[[Category: Schreuder, H A.]]
[[Category: Human antithrombin-iii]]
[[Category: Human antithrombin-iii]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 10:40:25 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jun 30 17:33:49 2008''

Revision as of 14:33, 30 June 2008

Image:1ath.png

Template:STRUCTURE 1ath

THE INTACT AND CLEAVED HUMAN ANTITHROMBIN III COMPLEX AS A MODEL FOR SERPIN-PROTEINASE INTERACTIONS

Template:ABSTRACT PUBMED 7656006

About this Structure

1ATH is a Single protein structure of sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

The intact and cleaved human antithrombin III complex as a model for serpin-proteinase interactions., Schreuder HA, de Boer B, Dijkema R, Mulders J, Theunissen HJ, Grootenhuis PD, Hol WG, Nat Struct Biol. 1994 Jan;1(1):48-54. PMID:7656006

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