2jcq

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{{STRUCTURE_2jcq| PDB=2jcq | SCENE= }}
{{STRUCTURE_2jcq| PDB=2jcq | SCENE= }}
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'''THE HYALURONAN BINDING DOMAIN OF MURINE CD44 IN A TYPE A COMPLEX WITH AN HA 8-MER'''
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===THE HYALURONAN BINDING DOMAIN OF MURINE CD44 IN A TYPE A COMPLEX WITH AN HA 8-MER===
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==Overview==
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Regulation of transient interactions between cells and the ubiquitous matrix glycosaminoglycan hyaluronan is crucial to such fundamental processes as embryonic development and leukocyte homing. Cd44, the primary cell surface receptor for hyaluronan, binds ligand via a lectin-like fold termed the Link module, but only after appropriate functional activation. The molecular details of the Cd44-hyaluronan interaction and hence the structural basis for this activation are unknown. Here we present the first crystal structure of Cd44 complexed with hyaluronan. This reveals that the interaction with hyaluronan is dominated by shape and hydrogen-bonding complementarity and identifies two conformational forms of the receptor that differ in orientation of a crucial hyaluronan-binding residue (Arg45, equivalent to Arg41 in human CD44). Measurements by NMR indicate that the conformational transition can be induced by hyaluronan binding, providing further insight into possible mechanisms for regulation of Cd44.
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(as it appears on PubMed at http://www.pubmed.gov), where 17293874 is the PubMed ID number.
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{{ABSTRACT_PUBMED_17293874}}
==About this Structure==
==About this Structure==
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[[Category: Sulfation]]
[[Category: Sulfation]]
[[Category: Transmembrane]]
[[Category: Transmembrane]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed May 7 08:44:43 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 20:53:48 2008''

Revision as of 17:53, 28 July 2008

Image:2jcq.png

Template:STRUCTURE 2jcq

THE HYALURONAN BINDING DOMAIN OF MURINE CD44 IN A TYPE A COMPLEX WITH AN HA 8-MER

Template:ABSTRACT PUBMED 17293874

About this Structure

2JCQ is a Single protein structure of sequence from Mus musculus. Full crystallographic information is available from OCA.

Reference

Structures of the Cd44-hyaluronan complex provide insight into a fundamental carbohydrate-protein interaction., Banerji S, Wright AJ, Noble M, Mahoney DJ, Campbell ID, Day AJ, Jackson DG, Nat Struct Mol Biol. 2007 Mar;14(3):234-9. Epub 2007 Feb 11. PMID:17293874

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