3bs6

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[[Image:3bs6.png|left|200px]]
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==1.8 Angstrom crystal structure of the periplasmic domain of the membrane insertase YidC==
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<StructureSection load='3bs6' size='340' side='right' caption='[[3bs6]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3bs6]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3BS6 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3BS6 FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=2PE:NONAETHYLENE+GLYCOL'>2PE</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene>, <scene name='pdbligand=PG4:TETRAETHYLENE+GLYCOL'>PG4</scene>, <scene name='pdbligand=PGE:TRIETHYLENE+GLYCOL'>PGE</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">oxaA, yidC ([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=3bs6 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3bs6 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3bs6 RCSB], [http://www.ebi.ac.uk/pdbsum/3bs6 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/bs/3bs6_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 bacteria the biogenesis of inner membrane proteins requires targeting and insertion factors such as the signal recognition particle and the Sec translocon. YidC is an essential membrane protein involved in the insertion of inner membrane proteins together with the Sec translocon, but also as a separate entity. YidC of Escherichia coli is a member of the conserved YidC (in bacteria)/Oxa1 (in mitochondria)/Alb3 (in chloroplasts) protein family and contains six transmembrane segments and a large periplasmic domain (P1). We determined the crystal structure of the periplasmic domain of YidC from E. coli (P1D) at 1.8 A resolution. The structure of P1D shows the conserved beta-supersandwich fold of carbohydrate-binding proteins and an alpha-helical linker region at the C terminus that packs against the beta-supersandwich by a highly conserved interface. P1D exhibits an elongated cleft of similar architecture as found in the structural homologs. However, the electrostatic properties and molecular details of the cleft make it unlikely to interact with carbohydrate substrates. The cleft in P1D is occupied by a polyethylene glycol molecule suggesting an elongated peptide or acyl chain as a natural ligand. The region of P1D previously reported to interact with SecF maps to a surface area in the vicinity of the cleft. The conserved C-terminal region of the P1 domain was reported to be essential for the membrane insertase function of YidC. The analysis of this region suggests a role in membrane interaction and/or in the regulation of YidC interaction with binding partners.
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{{STRUCTURE_3bs6| PDB=3bs6 | SCENE= }}
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The crystal structure of the periplasmic domain of the Escherichia coli membrane protein insertase YidC contains a substrate binding cleft.,Ravaud S, Stjepanovic G, Wild K, Sinning I J Biol Chem. 2008 Apr 4;283(14):9350-8. Epub 2008 Jan 30. PMID:18234665<ref>PMID:18234665</ref>
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===1.8 Angstrom crystal structure of the periplasmic domain of the membrane insertase YidC===
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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_18234665}}
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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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[[3bs6]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3BS6 OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:018234665</ref><references group="xtra"/>
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[[Category: Escherichia coli]]
[[Category: Escherichia coli]]
[[Category: Ravaud, S.]]
[[Category: Ravaud, S.]]

Revision as of 21:25, 2 October 2014

1.8 Angstrom crystal structure of the periplasmic domain of the membrane insertase YidC

3bs6, resolution 1.80Å

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