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3bei

From Proteopedia

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{{STRUCTURE_3bei| PDB=3bei | SCENE= }}
{{STRUCTURE_3bei| PDB=3bei | SCENE= }}
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'''Crystal structure of the slow form of thrombin in a self_inhibited conformation'''
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===Crystal structure of the slow form of thrombin in a self_inhibited conformation===
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==Overview==
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Allostery is a common mechanism of regulation of enzyme activity and specificity, and its signatures are readily identified from functional studies. For many allosteric systems, structural evidence exists of long-range communication among protein domains, but rarely has this communication been traced to a detailed pathway. The thrombin mutant D102N is stabilized in a self-inhibited conformation where access to the active site is occluded by a collapse of the entire 215-219 beta-strand. Binding of a fragment of the protease activated receptor PAR1 to exosite I, 30-A away from the active site region, causes a large conformational change that corrects the position of the 215-219 beta-strand and restores access to the active site. The crystal structure of the thrombin-PAR1 complex, solved at 2.2-A resolution, reveals the details of this long-range allosteric communication in terms of a network of polar interactions.
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(as it appears on PubMed at http://www.pubmed.gov), where 18250335 is the PubMed ID number.
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{{ABSTRACT_PUBMED_18250335}}
==Disease==
==Disease==
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==Reference==
==Reference==
Structural identification of the pathway of long-range communication in an allosteric enzyme., Gandhi PS, Chen Z, Mathews FS, Di Cera E, Proc Natl Acad Sci U S A. 2008 Feb 12;105(6):1832-7. Epub 2008 Feb 4. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/18250335 18250335]
Structural identification of the pathway of long-range communication in an allosteric enzyme., Gandhi PS, Chen Z, Mathews FS, Di Cera E, Proc Natl Acad Sci U S A. 2008 Feb 12;105(6):1832-7. Epub 2008 Feb 4. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/18250335 18250335]
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Crystal structure of thrombin in a self-inhibited conformation., Pineda AO, Chen ZW, Bah A, Garvey LC, Mathews FS, Di Cera E, J Biol Chem. 2006 Oct 27;281(43):32922-8. Epub 2006 Sep 5. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/16954215 16954215]
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Protein complex]]
[[Category: Protein complex]]
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[[Category: Serine protease]]
[[Category: Serine protease]]
[[Category: Zymogen]]
[[Category: Zymogen]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed Apr 30 13:37:40 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 29 12:47:30 2008''

Revision as of 09:47, 29 July 2008

Image:3bei.png

Template:STRUCTURE 3bei

Contents

Crystal structure of the slow form of thrombin in a self_inhibited conformation

Template:ABSTRACT PUBMED 18250335

Disease

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

About this Structure

3BEI is a Protein complex structure of sequences from Homo sapiens. Full crystallographic information is available from OCA.

Reference

Structural identification of the pathway of long-range communication in an allosteric enzyme., Gandhi PS, Chen Z, Mathews FS, Di Cera E, Proc Natl Acad Sci U S A. 2008 Feb 12;105(6):1832-7. Epub 2008 Feb 4. PMID:18250335

Crystal structure of thrombin in a self-inhibited conformation., Pineda AO, Chen ZW, Bah A, Garvey LC, Mathews FS, Di Cera E, J Biol Chem. 2006 Oct 27;281(43):32922-8. Epub 2006 Sep 5. PMID:16954215

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