2qvc

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{{STRUCTURE_2qvc| PDB=2qvc | SCENE= }}
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==Crystal structure of a periplasmic sugar ABC transporter from Thermotoga maritima==
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===Crystal structure of a periplasmic sugar ABC transporter from Thermotoga maritima===
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<StructureSection load='2qvc' size='340' side='right' caption='[[2qvc]], [[Resolution|resolution]] 2.40&Aring;' scene=''>
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{{ABSTRACT_PUBMED_23192024}}
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2qvc]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Thermotoga_maritima_msb8 Thermotoga maritima msb8]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2QVC OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2QVC FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=BGC:BETA-D-GLUCOSE'>BGC</scene><br>
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<tr><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene></td></tr>
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<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">TM_0114 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=243274 Thermotoga maritima MSB8])</td></tr>
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<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2qvc FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2qvc OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2qvc RCSB], [http://www.ebi.ac.uk/pdbsum/2qvc PDBsum], [http://www.topsan.org/Proteins/NYSGXRC/2qvc TOPSAN]</span></td></tr>
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<table>
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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/qv/2qvc_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/chain_selection.php?pdb_ID=2ata 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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ABC transport systems have been characterized in organisms ranging from bacteria to humans. In most bacterial systems, the periplasmic component is the primary determinant of specificity of the transport complex as a whole. Here, the X-ray crystal structure of a periplasmic glucose-binding protein (GBP) from Thermotoga maritima determined at 2.4 A resolution is reported. The molecule consists of two similar alpha/beta domains connected by a three-stranded hinge region. In the current structure, a ligand (beta-D-glucose) is buried between the two domains, which have adopted a closed conformation. Details of the substrate-binding sites revealed features that determine substrate specificity. In toto, ten residues from both domains form eight hydrogen bonds to the bound sugar and four aromatic residues (two from each domain) stabilize the substrate through stacking interactions.
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==About this Structure==
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Structure of a periplasmic glucose-binding protein from Thermotoga maritima.,Palani K, Kumaran D, Burley SK, Swaminathan S Acta Crystallogr Sect F Struct Biol Cryst Commun. 2012 Dec 1;68(Pt 12):1460-4., doi: 10.1107/S1744309112045241. Epub 2012 Nov 19. PMID:23192024<ref>PMID:23192024</ref>
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[[2qvc]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Thermotoga_maritima_msb8 Thermotoga maritima msb8]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2QVC OCA].
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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>
==See Also==
==See Also==
*[[ABC transporter|ABC transporter]]
*[[ABC transporter|ABC transporter]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:023192024</ref><references group="xtra"/><references/>
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__TOC__
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</StructureSection>
[[Category: Thermotoga maritima msb8]]
[[Category: Thermotoga maritima msb8]]
[[Category: Burley, S K.]]
[[Category: Burley, S K.]]

Revision as of 04:24, 3 October 2014

Crystal structure of a periplasmic sugar ABC transporter from Thermotoga maritima

2qvc, resolution 2.40Å

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