1jv2

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{{Seed}}
 
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[[Image:1jv2.png|left|200px]]
 
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==CRYSTAL STRUCTURE OF THE EXTRACELLULAR SEGMENT OF INTEGRIN ALPHAVBETA3==
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The line below this paragraph, containing "STRUCTURE_1jv2", creates the "Structure Box" on the page.
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<StructureSection load='1jv2' size='340' side='right'caption='[[1jv2]], [[Resolution|resolution]] 3.10&Aring;' scene=''>
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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'>[[1jv2]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. The February 2011 RCSB PDB [https://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Integrin'' by David Goodsell is [https://dx.doi.org/10.2210/rcsb_pdb/mom_2011_2 10.2210/rcsb_pdb/mom_2011_2]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1JV2 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1JV2 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]] 3.1&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=NDG:2-(ACETYLAMINO)-2-DEOXY-A-D-GLUCOPYRANOSE'>NDG</scene></td></tr>
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{{STRUCTURE_1jv2| PDB=1jv2 | SCENE= }}
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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=1jv2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1jv2 OCA], [https://pdbe.org/1jv2 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1jv2 RCSB], [https://www.ebi.ac.uk/pdbsum/1jv2 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1jv2 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/ITAV_HUMAN ITAV_HUMAN] The alpha-V integrins are receptors for vitronectin, cytotactin, fibronectin, fibrinogen, laminin, matrix metalloproteinase-2, osteopontin, osteomodulin, prothrombin, thrombospondin and vWF. They recognize the sequence R-G-D in a wide array of ligands. In case of HIV-1 infection, the interaction with extracellular viral Tat protein seems to enhance angiogenesis in Kaposi's sarcoma lesions.
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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/jv/1jv2_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=1jv2 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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Integrins are alphabeta heterodimeric receptors that mediate divalent cation-dependent cell-cell and cell-matrix adhesion through tightly regulated interactions with ligands. We have solved the crystal structure of the extracellular portion of integrin alphaVbeta3 at 3.1 A resolution. Its 12 domains assemble into an ovoid "head" and two "tails." In the crystal, alphaVbeta3 is severely bent at a defined region in its tails, reflecting an unusual flexibility that may be linked to integrin regulation. The main inter-subunit interface lies within the head, between a seven-bladed beta-propeller from alphaV and an A domain from beta3, and bears a striking resemblance to the Galpha/Gbeta interface in G proteins. A metal ion-dependent adhesion site (MIDAS) in the betaA domain is positioned to participate in a ligand-binding interface formed of loops from the propeller and betaA domains. MIDAS lies adjacent to a calcium-binding site with a potential regulatory function.
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===CRYSTAL STRUCTURE OF THE EXTRACELLULAR SEGMENT OF INTEGRIN ALPHAVBETA3===
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Crystal structure of the extracellular segment of integrin alpha Vbeta3.,Xiong JP, Stehle T, Diefenbach B, Zhang R, Dunker R, Scott DL, Joachimiak A, Goodman SL, Arnaout MA Science. 2001 Oct 12;294(5541):339-45. Epub 2001 Sep 6. PMID:11546839<ref>PMID:11546839</ref>
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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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<div class="pdbe-citations 1jv2" style="background-color:#fffaf0;"></div>
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==See Also==
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The line below this paragraph, {{ABSTRACT_PUBMED_11546839}}, adds the Publication Abstract to the page
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*[[Integrin 3D structures|Integrin 3D structures]]
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(as it appears on PubMed at http://www.pubmed.gov), where 11546839 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_11546839}}
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__TOC__
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</StructureSection>
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==About this Structure==
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1JV2 is a 2 chains structure of sequences from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1JV2 OCA].
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==Reference==
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<ref group="xtra">PMID:11546839</ref><references group="xtra"/>
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[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Arnaout, M A.]]
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[[Category: Integrin]]
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[[Category: Diefenbach, B.]]
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[[Category: Large Structures]]
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[[Category: Dunker, R.]]
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[[Category: RCSB PDB Molecule of the Month]]
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[[Category: Goodman, S L.]]
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[[Category: Arnaout MA]]
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[[Category: Joachimiak, A.]]
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[[Category: Diefenbach B]]
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[[Category: Scott, D.]]
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[[Category: Dunker R]]
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[[Category: Stehle, T.]]
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[[Category: Goodman SL]]
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[[Category: Xiong, J P.]]
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[[Category: Joachimiak A]]
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[[Category: Zhang, R.]]
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[[Category: Scott D]]
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[[Category: A-domain]]
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[[Category: Stehle T]]
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[[Category: Admida]]
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[[Category: Xiong JP]]
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[[Category: Beta-tail domain]]
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[[Category: Zhang R]]
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[[Category: Cage motif]]
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[[Category: Calf domain]]
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[[Category: Egf domain]]
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[[Category: Genu]]
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[[Category: Hybrid domain]]
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[[Category: Mida]]
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[[Category: Propeller]]
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[[Category: Psi domain]]
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[[Category: Thigh domain]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Feb 17 14:52:11 2009''
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Current revision

CRYSTAL STRUCTURE OF THE EXTRACELLULAR SEGMENT OF INTEGRIN ALPHAVBETA3

PDB ID 1jv2

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