2jmm

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[[Image:2jmm.png|left|200px]]
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==NMR solution structure of a minimal transmembrane beta-barrel platform protein==
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<StructureSection load='2jmm' size='340' side='right' caption='[[2jmm]], [[NMR_Ensembles_of_Models | 10 NMR models]]' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2jmm]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2JMM OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2JMM FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">ompA, con, tolG, tut ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=562 Escherichia coli])</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=2jmm FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2jmm OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2jmm RCSB], [http://www.ebi.ac.uk/pdbsum/2jmm PDBsum]</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/jm/2jmm_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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In this study, we were concerned with the structural role of the surface-exposed extracellular loops of the N-terminal transmembrane (TM) domain of OmpA. A variant of the TM domain of outer membrane protein A (OmpA) with all four such loops shortened, which we call the beta-barrel platform (BBP), was successfully refolded. This indicates that the removed parts of the surface-exposed loops indeed do not contain amino acid sequences critical for this membrane protein's refolding in vitro. BBP has the potential to be used as a template beta-barrel membrane protein structure for the development of novel functions, although our results also highlight the potential difficulties that can arise when functionality is being engineered into the loop regions of membrane proteins. We have used solution nuclear magnetic resonance spectroscopy to determine the global fold of BBP+EF, BBP with a metal ion-binding EF-hand inserted in one of the shortened loops. BBP and BBP+EF in dihexanoylphosphatidylcholine micelles are eight-stranded antiparallel beta-barrels, and BBP represents the smallest beta-structured integral membrane protein known to date.
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{{STRUCTURE_2jmm| PDB=2jmm | SCENE= }}
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A minimal transmembrane beta-barrel platform protein studied by nuclear magnetic resonance.,Johansson MU, Alioth S, Hu K, Walser R, Koebnik R, Pervushin K Biochemistry. 2007 Feb 6;46(5):1128-40. PMID:17260943<ref>PMID:17260943</ref>
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===NMR solution structure of a minimal transmembrane beta-barrel platform protein===
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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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{{ABSTRACT_PUBMED_17260943}}
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== References ==
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<references/>
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==About this Structure==
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__TOC__
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[[2jmm]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2JMM OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:017260943</ref><references group="xtra"/>
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[[Category: Escherichia coli]]
[[Category: Escherichia coli]]
[[Category: Alioth, S.]]
[[Category: Alioth, S.]]

Revision as of 07:54, 30 September 2014

NMR solution structure of a minimal transmembrane beta-barrel platform protein

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