2bdn

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{{STRUCTURE_2bdn| PDB=2bdn | SCENE= }}
{{STRUCTURE_2bdn| PDB=2bdn | SCENE= }}
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'''Crystal structure of human MCP-1 bound to a blocking antibody, 11K2'''
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===Crystal structure of human MCP-1 bound to a blocking antibody, 11K2===
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==Overview==
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Monocyte chemoattractant proteins (MCPs) are cytokines that direct immune cells bearing appropriate receptors to sites of inflammation or injury and are therefore attractive therapeutic targets for inhibitory molecules. 11K2 is a blocking mouse monoclonal antibody active against several human and murine MCPs. A 2.5 A structure of the Fab fragment of this antibody in complex with human MCP-1 has been solved. The Fab blocks CCR2 receptor binding to MCP-1 through an adjacent but distinct binding site. The orientation of the Fab indicates that a single MCP-1 dimer will bind two 11K2 antibodies. Several key residues on the antibody and on human MCPs were predicted to be involved in antibody selectivity. Mutational analysis of these residues confirms their involvement in the antibody-chemokine interaction. In addition to mutations that decreased or disrupted binding, one antibody mutation resulted in a 70-fold increase in affinity for human MCP-2. A key residue missing in human MCP-3, a chemokine not recognized by the antibody, was identified and engineering the preferred residue into the chemokine conferred binding to the antibody.
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The line below this paragraph, {{ABSTRACT_PUBMED_16682434}}, adds the Publication Abstract to the page
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(as it appears on PubMed at http://www.pubmed.gov), where 16682434 is the PubMed ID number.
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{{ABSTRACT_PUBMED_16682434}}
==About this Structure==
==About this Structure==
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[[Category: Vlijmen, Hvan.]]
[[Category: Vlijmen, Hvan.]]
[[Category: Antibody-antigen complex]]
[[Category: Antibody-antigen complex]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 20:08:45 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 29 10:07:15 2008''

Revision as of 07:07, 29 July 2008

Image:2bdn.png

Template:STRUCTURE 2bdn

Crystal structure of human MCP-1 bound to a blocking antibody, 11K2

Template:ABSTRACT PUBMED 16682434

About this Structure

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

Reference

Structure activity relationships of monocyte chemoattractant proteins in complex with a blocking antibody., Reid C, Rushe M, Jarpe M, van Vlijmen H, Dolinski B, Qian F, Cachero TG, Cuervo H, Yanachkova M, Nwankwo C, Wang X, Etienne N, Garber E, Bailly V, de Fougerolles A, Boriack-Sjodin PA, Protein Eng Des Sel. 2006 Jul;19(7):317-24. Epub 2006 May 8. PMID:16682434

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