2hwl

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{{STRUCTURE_2hwl| PDB=2hwl | SCENE= }}
{{STRUCTURE_2hwl| PDB=2hwl | SCENE= }}
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'''Crystal structure of thrombin in complex with fibrinogen gamma' peptide'''
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===Crystal structure of thrombin in complex with fibrinogen gamma' peptide===
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==Overview==
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Elevated levels of heterodimeric gamma(A)/gamma' fibrinogen 2 have been associated with an increased incidence of coronary artery disease, whereas a lowered content of gamma' chains is associated with an increased risk of venous thrombosis. Both situations may be related to the unique features of thrombin binding to variant gamma' chains. The gamma' peptide is an anionic fragment that binds thrombin with high affinity without interfering directly with substrate binding. Here we report the crystal structure of thrombin bound to the gamma' peptide, solved at 2.4 A resolution. The complex reveals extensive interactions between thrombin and the gamma' peptide mediated by electrostatic contacts with residues of exosite II and hydrophobic interactions with a pocket in close proximity to the Na(+) binding site. In its binding mode, the gamma' peptide completely overlaps with heparin bound to exosite II. These findings are consistent with functional data and broaden our understanding of how thrombin interacts with fibrinogen at the molecular level.
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(as it appears on PubMed at http://www.pubmed.gov), where 16962697 is the PubMed ID number.
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{{ABSTRACT_PUBMED_16962697}}
==Disease==
==Disease==
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[[Category: Serine protease structure]]
[[Category: Serine protease structure]]
[[Category: Thrombin]]
[[Category: Thrombin]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 06:48:08 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 15:59:33 2008''

Revision as of 12:59, 28 July 2008

Image:2hwl.png

Template:STRUCTURE 2hwl

Contents

Crystal structure of thrombin in complex with fibrinogen gamma' peptide

Template:ABSTRACT PUBMED 16962697

Disease

Known disease associated with this structure: Dysprothrombinemia OMIM:[176930], Hyperprothrombinemia OMIM:[176930], Hypoprothrombinemia OMIM:[176930]

About this Structure

2HWL is a Protein complex structure of sequences from Homo sapiens. Full crystallographic information is available from OCA.

Reference

Crystal structure of thrombin in complex with fibrinogen gamma' peptide., Pineda AO, Chen ZW, Marino F, Mathews FS, Mosesson MW, Di Cera E, Biophys Chem. 2007 Feb;125(2-3):556-9. Epub 2006 Aug 23. PMID:16962697

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