1ckl: Difference between revisions

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[[Image:1ckl.gif|left|200px]]
{{Seed}}
[[Image:1ckl.png|left|200px]]


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{{STRUCTURE_1ckl|  PDB=1ckl  |  SCENE=  }}  
{{STRUCTURE_1ckl|  PDB=1ckl  |  SCENE=  }}  


'''N-TERMINAL TWO DOMAINS OF HUMAN CD46 (MEMBRANE COFACTOR PROTEIN, MCP)'''
===N-TERMINAL TWO DOMAINS OF HUMAN CD46 (MEMBRANE COFACTOR PROTEIN, MCP)===




==Overview==
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Measles virus is a paramyxovirus which, like other members of the family such as respiratory syncytial virus, is a major cause of morbidity and mortality worldwide. The cell surface receptor for measles virus in humans is CD46, a complement cofactor. We report here the crystal structure at 3.1 A resolution of the measles virus-binding fragment of CD46. The structure reveals the architecture and spatial arrangement of two glycosylated short consensus repeats with a pronounced interdomain bend and some flexibility at the domain interface. Amino acids involved in measles virus binding define a large, glycan-free surface that extends from the top of the first to the bottom of the second repeat. The extended virus-binding surface of CD46 differs strikingly from those reported for the human virus receptor proteins CD4 and intercellular cell adhesion molecule-1 (ICAM-1), suggesting that the CD46 structure utilizes a novel mode of virus recognition. A highly hydrophobic and protruding loop at the base of the first repeat bears a critical virus-binding residue, thereby defining an important recognition epitope. Molecules that mimic the conformation of this loop potentially could be effective anti-viral agents by preventing binding of measles virus to CD46.
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{{ABSTRACT_PUBMED_10357804}}


==About this Structure==
==About this Structure==
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[[Category: Short consensus repeat]]
[[Category: Short consensus repeat]]
[[Category: Virus receptor]]
[[Category: Virus receptor]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May  2 12:50:00 2008''
 
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jun 30 20:52:31 2008''

Revision as of 17:52, 30 June 2008

File:1ckl.png

Template:STRUCTURE 1ckl

N-TERMINAL TWO DOMAINS OF HUMAN CD46 (MEMBRANE COFACTOR PROTEIN, MCP)

Template:ABSTRACT PUBMED 10357804

About this Structure

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

Reference

Crystal structure of two CD46 domains reveals an extended measles virus-binding surface., Casasnovas JM, Larvie M, Stehle T, EMBO J. 1999 Jun 1;18(11):2911-22. PMID:10357804

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