2jmm

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{{Seed}}
 
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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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The line below this paragraph, containing "STRUCTURE_2jmm", creates the "Structure Box" on the page.
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<StructureSection load='2jmm' size='340' side='right'caption='[[2jmm]]' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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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'>[[2jmm]] is a 1 chain structure with sequence from [https://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 [https://proteopedia.org/fgij/fg.htm?mol=2JMM FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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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=2jmm FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2jmm OCA], [https://pdbe.org/2jmm PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2jmm RCSB], [https://www.ebi.ac.uk/pdbsum/2jmm PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2jmm ProSAT]</span></td></tr>
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{{STRUCTURE_2jmm| PDB=2jmm | SCENE= }}
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/OMPA_ECOLI OMPA_ECOLI] Required for the action of colicins K and L and for the stabilization of mating aggregates in conjugation. Serves as a receptor for a number of T-even like phages. Also acts as a porin with low permeability that allows slow penetration of small solutes.
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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/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=2jmm 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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===NMR solution structure of a minimal transmembrane beta-barrel platform protein===
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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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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 2jmm" style="background-color:#fffaf0;"></div>
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==See Also==
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The line below this paragraph, {{ABSTRACT_PUBMED_17260943}}, adds the Publication Abstract to the page
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*[[Porin 3D structures|Porin 3D structures]]
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(as it appears on PubMed at http://www.pubmed.gov), where 17260943 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_17260943}}
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__TOC__
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</StructureSection>
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==About this Structure==
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[[Category: Escherichia coli]]
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Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2JMM OCA].
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[[Category: Large Structures]]
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[[Category: Alioth S]]
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==Reference==
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[[Category: Hu K]]
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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:[http://www.ncbi.nlm.nih.gov/pubmed/17260943 17260943]
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[[Category: Johansson MU]]
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[[Category: Alioth, S.]]
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[[Category: Koebnik R]]
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[[Category: Hu, K.]]
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[[Category: Pervushin K]]
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[[Category: Johansson, M U.]]
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[[Category: Walser R]]
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[[Category: Koebnik, R.]]
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[[Category: Pervushin, K.]]
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[[Category: Walser, R.]]
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[[Category: Membrane protein]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 07:44:52 2008''
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Current revision

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

PDB ID 2jmm

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