1m0z
From Proteopedia
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'''Crystal Structure of the von Willebrand Factor Binding Domain of Glycoprotein Ib alpha''' | '''Crystal Structure of the von Willebrand Factor Binding Domain of Glycoprotein Ib alpha''' | ||
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[[Category: Sixma, J J.]] | [[Category: Sixma, J J.]] | ||
[[Category: Tsuji, S.]] | [[Category: Tsuji, S.]] | ||
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Revision as of 21:30, 2 May 2008
Crystal Structure of the von Willebrand Factor Binding Domain of Glycoprotein Ib alpha
Contents |
Overview
Transient interactions of platelet-receptor glycoprotein Ibalpha (GpIbalpha) and the plasma protein von Willebrand factor (VWF) reduce platelet velocity at sites of vascular damage and play a role in haemostasis and thrombosis. Here we present structures of the GpIbalpha amino-terminal domain and its complex with the VWF domain A1. In the complex, GpIbalpha wraps around one side of A1, providing two contact areas bridged by an area of solvated charge interaction. The structures explain the effects of gain-of-function mutations related to bleeding disorders and provide a model for shear-induced activation. These detailed insights into the initial interactions in platelet adhesion are relevant to the development of antithrombotic drugs.
Disease
Known disease associated with this structure: Bernard-Soulier syndrome, type A OMIM:[606672], von Willebrand disease, platelet-type OMIM:[606672], Nonarteritic anterior ischemic optic neuropathy, susceptibility to OMIM:[606672]
About this Structure
1M0Z is a Single protein structure of sequence from Homo sapiens. Full crystallographic information is available from OCA.
Reference
Structures of glycoprotein Ibalpha and its complex with von Willebrand factor A1 domain., Huizinga EG, Tsuji S, Romijn RA, Schiphorst ME, de Groot PG, Sixma JJ, Gros P, Science. 2002 Aug 16;297(5584):1176-9. PMID:12183630 Page seeded by OCA on Sat May 3 00:29:58 2008
