1o80

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[[Image:1o80.jpg|left|200px]]
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[[Image:1o80.png|left|200px]]
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{{STRUCTURE_1o80| PDB=1o80 | SCENE= }}
{{STRUCTURE_1o80| PDB=1o80 | SCENE= }}
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'''CRYSTAL STRUCTURE OF IP-10 H-FORM'''
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===CRYSTAL STRUCTURE OF IP-10 H-FORM===
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==Overview==
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We have determined the structure of wild-type IP-10 from three crystal forms. The crystals provide eight separate models of the IP-10 chain, all differing substantially from a monomeric IP-10 variant examined previously by NMR spectroscopy. In each crystal form, IP-10 chains form conventional beta sheet dimers, which, in turn, form a distinct tetrameric assembly. The M form tetramer is reminiscent of platelet factor 4, whereas the T and H forms feature a novel twelve-stranded beta sheet. Analytical ultracentrifugation indicates that, in free solution, IP-10 exists in a monomer-dimer equilibrium with a dissociation constant of 9 microM. We propose that the tetrameric structures may represent species promoted by the binding of glycosaminoglycans. The binding sites for several IP-10-neutralizing mAbs have also been mapped.
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(as it appears on PubMed at http://www.pubmed.gov), where 12737818 is the PubMed ID number.
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{{ABSTRACT_PUBMED_12737818}}
==About this Structure==
==About this Structure==
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[[Category: Swaminathan, G J.]]
[[Category: Swaminathan, G J.]]
[[Category: Chemokine,interferon induction,chemotaxis,inflammatory response]]
[[Category: Chemokine,interferon induction,chemotaxis,inflammatory response]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 03:30:10 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 07:52:54 2008''

Revision as of 04:53, 28 July 2008

Image:1o80.png

Template:STRUCTURE 1o80

CRYSTAL STRUCTURE OF IP-10 H-FORM

Template:ABSTRACT PUBMED 12737818

About this Structure

1O80 is a Single protein structure. Full crystallographic information is available from OCA.

Reference

Crystal structures of oligomeric forms of the IP-10/CXCL10 chemokine., Swaminathan GJ, Holloway DE, Colvin RA, Campanella GK, Papageorgiou AC, Luster AD, Acharya KR, Structure. 2003 May;11(5):521-32. PMID:12737818

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