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1o7z

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[[Image:1o7z.jpg|left|200px]]
 
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==Crystal structure of IP-10 T-form==
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The line below this paragraph, containing "STRUCTURE_1o7z", creates the "Structure Box" on the page.
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<StructureSection load='1o7z' size='340' side='right'caption='[[1o7z]], [[Resolution|resolution]] 1.92&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[1o7z]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1O7Z OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1O7Z FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.92&#8491;</td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1o7z FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1o7z OCA], [https://pdbe.org/1o7z PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1o7z RCSB], [https://www.ebi.ac.uk/pdbsum/1o7z PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1o7z ProSAT]</span></td></tr>
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{{STRUCTURE_1o7z| PDB=1o7z | SCENE= }}
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/CXL10_HUMAN CXL10_HUMAN] Chemotactic for monocytes and T-lymphocytes. Binds to CXCR3.
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/o7/1o7z_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=1o7z ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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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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'''CRYSTAL STRUCTURE OF IP-10 T-FORM'''
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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<ref>PMID:12737818</ref>
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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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==About this Structure==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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1O7Z is a [[Single protein]] structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1O7Z OCA].
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</div>
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<div class="pdbe-citations 1o7z" style="background-color:#fffaf0;"></div>
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==Reference==
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==See Also==
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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:[http://www.ncbi.nlm.nih.gov/pubmed/12737818 12737818]
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*[[C-X-C motif chemokine 3D structures|C-X-C motif chemokine 3D structures]]
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[[Category: Single protein]]
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== References ==
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[[Category: Acharya, K R.]]
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<references/>
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[[Category: Holloway, D E.]]
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__TOC__
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[[Category: Papageorgiou, A C.]]
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</StructureSection>
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[[Category: Swaminathan, G J.]]
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[[Category: Homo sapiens]]
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[[Category: Chemokine,interferon induction,chemotaxis,inflammatory response]]
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[[Category: Large Structures]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 03:30:07 2008''
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[[Category: Acharya KR]]
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[[Category: Holloway DE]]
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[[Category: Papageorgiou AC]]
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[[Category: Swaminathan GJ]]

Current revision

Crystal structure of IP-10 T-form

PDB ID 1o7z

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