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1iv5

From Proteopedia

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[[Image:1iv5.gif|left|200px]]
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{{STRUCTURE_1iv5| PDB=1iv5 | SCENE= }}
{{STRUCTURE_1iv5| PDB=1iv5 | SCENE= }}
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'''New Crystal Form of Human CD81 Large Extracellular Loop.'''
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===New Crystal Form of Human CD81 Large Extracellular Loop.===
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==Overview==
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The large extracellular loop of human CD81, a tetraspanin mediating hepatitis C virus envelope protein E2 binding to human cells, has been crystallized in a hexagonal form. The three-dimensional structure, solved and refined at 2.6 A resolution (R-factor = 22.8%), shows that the protein adopts a dimeric assembly, based on an association interface built up by tetraspanin-conserved residues. Structural comparisons with the tertiary structure of human CD81 large extracellular loop, previously determined in a different crystal form, show marked conformational fluctuations in the molecular regions thought to be involved in binding to the viral protein, suggesting rules for recognition and assembly within the tetraspan web.
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(as it appears on PubMed at http://www.pubmed.gov), where 12437138 is the PubMed ID number.
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{{ABSTRACT_PUBMED_12437138}}
==About this Structure==
==About this Structure==
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[[Category: Alpha domain]]
[[Category: Alpha domain]]
[[Category: Five helix]]
[[Category: Five helix]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 20:27:28 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 1 14:03:29 2008''

Revision as of 11:03, 1 July 2008

Image:1iv5.png

Template:STRUCTURE 1iv5

New Crystal Form of Human CD81 Large Extracellular Loop.

Template:ABSTRACT PUBMED 12437138

About this Structure

1IV5 is a Single protein structure of sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

Subunit association and conformational flexibility in the head subdomain of human CD81 large extracellular loop., Kitadokoro K, Ponassi M, Galli G, Petracca R, Falugi F, Grandi G, Bolognesi M, Biol Chem. 2002 Sep;383(9):1447-52. PMID:12437138

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