1yo4

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[[Image:1yo4.png|left|200px]]
 
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{{STRUCTURE_1yo4| PDB=1yo4 | SCENE= }}
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==Solution Structure of the SARS Coronavirus ORF 7a coded X4 protein==
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<StructureSection load='1yo4' size='340' side='right'caption='[[1yo4]]' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1yo4]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Severe_acute_respiratory_syndrome-related_coronavirus Severe acute respiratory syndrome-related coronavirus]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1YO4 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1YO4 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">Solution NMR, 10 models</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=1yo4 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1yo4 OCA], [https://pdbe.org/1yo4 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1yo4 RCSB], [https://www.ebi.ac.uk/pdbsum/1yo4 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1yo4 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/NS7A_SARS NS7A_SARS] Plays a role as antagonist of host tetherin (BST2), disrupting its antiviral effect. Acts by binding to BST2 thereby interfering with its glycosylation. May suppress small interfering RNA (siRNA). May bind to host ITGAL, thereby playing a role in attachment or modulation of leukocytes.<ref>PMID:15564512</ref> <ref>PMID:18020948</ref> <ref>PMID:20631126</ref> <ref>PMID:26378163</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The SARS related Coronavirus genome contains a variety of novel accessory genes. One of these, called ORF7a or ORF8, code for a protein, known as 7a, U122 or X4. We set out to determine the three-dimensional structure of the soluble ectodomain of this type-I transmembrane protein by nuclear magnetic resonance spectroscopy. The fold of the protein is the first member of a further variation of the immunoglobulin like beta-sandwich fold. Because X4 does not reveal significant sequence homologies to proteins in the data bases, we carried out a structure based similarity search for proteins with known function. High structural similarity to Dl domains of ICAM-1 and ICAM-2, and common features in amino acid sequence between X4 and ICAM-1, suggest X4 to possess binding activity for the alpha(L) integrin I domain of LFA-1. Further, based on this structure based prediction, potential functions of X4 in virus replication and pathogenesis are discussed.
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===Solution Structure of the SARS Coronavirus ORF 7a coded X4 protein===
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Solution structure of the X4 protein coded by the SARS related coronavirus reveals an immunoglobulin like fold and suggests a binding activity to integrin I domains.,Hanel K, Stangler T, Stoldt M, Willbold D J Biomed Sci. 2006 May;13(3):281-93. Epub 2005 Nov 23. PMID:16328780<ref>PMID:16328780</ref>
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{{ABSTRACT_PUBMED_16328780}}
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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==About this Structure==
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<div class="pdbe-citations 1yo4" style="background-color:#fffaf0;"></div>
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[[1yo4]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Sars_coronavirus Sars coronavirus]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1YO4 OCA].
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== References ==
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[[Category: Sars coronavirus]]
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<references/>
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[[Category: Haenel, K.]]
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__TOC__
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[[Category: Stangler, T.]]
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</StructureSection>
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[[Category: Stoldt, M.]]
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[[Category: Large Structures]]
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[[Category: Willbold, D.]]
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[[Category: Severe acute respiratory syndrome-related coronavirus]]
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[[Category: Beta-sandwich]]
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[[Category: Haenel K]]
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[[Category: Immunoglobulin-like domain]]
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[[Category: Stangler T]]
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[[Category: Viral protein]]
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[[Category: Stoldt M]]
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[[Category: Willbold D]]

Current revision

Solution Structure of the SARS Coronavirus ORF 7a coded X4 protein

PDB ID 1yo4

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Proteopedia Page Contributors and Editors (what is this?)

OCA

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