1cq3

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(New page: 200px<br /><applet load="1cq3" size="450" color="white" frame="true" align="right" spinBox="true" caption="1cq3, resolution 1.85&Aring;" /> '''STRUCTURE OF A SOLUB...)
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[[Image:1cq3.jpg|left|200px]]<br /><applet load="1cq3" size="450" color="white" frame="true" align="right" spinBox="true"
 
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caption="1cq3, resolution 1.85&Aring;" />
 
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'''STRUCTURE OF A SOLUBLE SECRETED CHEMOKINE INHIBITOR, VCCI, FROM COWPOX VIRUS'''<br />
 
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==Overview==
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==STRUCTURE OF A SOLUBLE SECRETED CHEMOKINE INHIBITOR, VCCI, FROM COWPOX VIRUS==
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Most poxviruses, including variola, the causative agent of smallpox, express a secreted protein of 35 kDa, vCCI, which binds CC-chemokines with, high affinity. This viral protein competes with the host cellular, CC-chemokine receptors (CCRs), reducing inflammation and interfering with, the host immune response. Such proteins or derivatives may have, therapeutic uses as anti-inflammatory agents. We have determined the, crystal structure to 1.85-A resolution of vCCI from cowpox virus, the, prototype of this poxvirus virulence factor. The molecule is a, beta-sandwich of topology not previously described. A patch of conserved, residues on the exposed face of a beta-sheet that is strongly negatively, charged might have a role in binding of CC-chemokines, which are, positively charged.
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<StructureSection load='1cq3' size='340' side='right'caption='[[1cq3]], [[Resolution|resolution]] 1.85&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1cq3]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Cowpox_virus Cowpox virus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1CQ3 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1CQ3 FirstGlance]. <br>
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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]] 1.85&#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=1cq3 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1cq3 OCA], [https://pdbe.org/1cq3 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1cq3 RCSB], [https://www.ebi.ac.uk/pdbsum/1cq3 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1cq3 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/Q85307_CWPXB Q85307_CWPXB]
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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/cq/1cq3_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.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=1cq3 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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Most poxviruses, including variola, the causative agent of smallpox, express a secreted protein of 35 kDa, vCCI, which binds CC-chemokines with high affinity. This viral protein competes with the host cellular CC-chemokine receptors (CCRs), reducing inflammation and interfering with the host immune response. Such proteins or derivatives may have therapeutic uses as anti-inflammatory agents. We have determined the crystal structure to 1.85-A resolution of vCCI from cowpox virus, the prototype of this poxvirus virulence factor. The molecule is a beta-sandwich of topology not previously described. A patch of conserved residues on the exposed face of a beta-sheet that is strongly negatively charged might have a role in binding of CC-chemokines, which are positively charged.
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==About this Structure==
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Structure of a soluble secreted chemokine inhibitor vCCI (p35) from cowpox virus.,Carfi A, Smith CA, Smolak PJ, McGrew J, Wiley DC Proc Natl Acad Sci U S A. 1999 Oct 26;96(22):12379-83. PMID:10535930<ref>PMID:10535930</ref>
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1CQ3 is a [http://en.wikipedia.org/wiki/Single_protein Single protein] structure of sequence from [http://en.wikipedia.org/wiki/Cupixi_virus Cupixi virus]. Full crystallographic information is available from [http://ispc.weizmann.ac.il/oca-bin/ocashort?id=1CQ3 OCA].
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==Reference==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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Structure of a soluble secreted chemokine inhibitor vCCI (p35) from cowpox virus., Carfi A, Smith CA, Smolak PJ, McGrew J, Wiley DC, Proc Natl Acad Sci U S A. 1999 Oct 26;96(22):12379-83. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=10535930 10535930]
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</div>
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[[Category: Cupixi virus]]
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<div class="pdbe-citations 1cq3" style="background-color:#fffaf0;"></div>
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[[Category: Single protein]]
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== References ==
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[[Category: Carfi, A.]]
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<references/>
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[[Category: McGrew, J.]]
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__TOC__
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[[Category: Smith, C.A.]]
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</StructureSection>
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[[Category: Smolak, P.J.]]
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[[Category: Cowpox virus]]
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[[Category: Wiley, D.C.]]
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[[Category: Large Structures]]
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[[Category: beta sandwich]]
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[[Category: Carfi A]]
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[[Category: chemokine]]
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[[Category: McGrew J]]
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[[Category: Smith CA]]
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''Page seeded by [http://ispc.weizmann.ac.il/oca OCA ] on Sun Nov 25 01:48:16 2007''
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[[Category: Smolak PJ]]
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[[Category: Wiley DC]]

Current revision

STRUCTURE OF A SOLUBLE SECRETED CHEMOKINE INHIBITOR, VCCI, FROM COWPOX VIRUS

PDB ID 1cq3

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