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1nl1

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[[Image:1nl1.gif|left|200px]]
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{{STRUCTURE_1nl1| PDB=1nl1 | SCENE= }}
{{STRUCTURE_1nl1| PDB=1nl1 | SCENE= }}
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'''BOVINE PROTHROMBIN FRAGMENT 1 IN COMPLEX WITH CALCIUM ION'''
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===BOVINE PROTHROMBIN FRAGMENT 1 IN COMPLEX WITH CALCIUM ION===
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==Overview==
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In a calcium-dependent interaction critical for blood coagulation, vitamin K-dependent blood coagulation proteins bind cell membranes containing phosphatidylserine via gamma-carboxyglutamic acid-rich (Gla) domains. Gla domain-mediated protein-membrane interaction is required for generation of thrombin, the terminal enzyme in the coagulation cascade, on a physiologic time scale. We determined by X-ray crystallography and NMR spectroscopy the lysophosphatidylserine-binding site in the bovine prothrombin Gla domain. The serine head group binds Gla domain-bound calcium ions and Gla residues 17 and 21, fixed elements of the Gla domain fold, predicting the structural basis for phosphatidylserine specificity among Gla domains. Gla domains provide a unique mechanism for protein-phospholipid membrane interaction. Increasingly Gla domains are being identified in proteins unrelated to blood coagulation. Thus, this membrane-binding mechanism may be important in other physiologic processes.
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(as it appears on PubMed at http://www.pubmed.gov), where 12923575 is the PubMed ID number.
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{{ABSTRACT_PUBMED_12923575}}
==About this Structure==
==About this Structure==
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[[Category: Seaton, B.]]
[[Category: Seaton, B.]]
[[Category: Hydrolase]]
[[Category: Hydrolase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 02:39:36 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 05:56:52 2008''

Revision as of 02:57, 28 July 2008

Image:1nl1.png

Template:STRUCTURE 1nl1

BOVINE PROTHROMBIN FRAGMENT 1 IN COMPLEX WITH CALCIUM ION

Template:ABSTRACT PUBMED 12923575

About this Structure

1NL1 is a Single protein structure of sequence from Bos taurus. Full crystallographic information is available from OCA.

Reference

Structural basis of membrane binding by Gla domains of vitamin K-dependent proteins., Huang M, Rigby AC, Morelli X, Grant MA, Huang G, Furie B, Seaton B, Furie BC, Nat Struct Biol. 2003 Sep;10(9):751-6. Epub 2003 Aug 17. PMID:12923575

Page seeded by OCA on Mon Jul 28 05:56:52 2008

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