2dhh

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[[Image:2dhh.gif|left|200px]]
 
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{{Structure
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==Crystal structure of a multidrug transporter reveal a functionally rotating mechanism==
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|PDB= 2dhh |SIZE=350|CAPTION= <scene name='initialview01'>2dhh</scene>, resolution 2.8&Aring;
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<StructureSection load='2dhh' size='340' side='right'caption='[[2dhh]], [[Resolution|resolution]] 2.80&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND=
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<table><tr><td colspan='2'>[[2dhh]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2DHH OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2DHH FirstGlance]. <br>
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|ACTIVITY=
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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]] 2.8&#8491;</td></tr>
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|GENE=
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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=2dhh FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2dhh OCA], [https://pdbe.org/2dhh PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2dhh RCSB], [https://www.ebi.ac.uk/pdbsum/2dhh PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2dhh ProSAT]</span></td></tr>
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|DOMAIN=
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</table>
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|RELATEDENTRY=[[2dr6|2DR6]], [[2drd|2DRD]]
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== Function ==
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2dhh FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2dhh OCA], [http://www.ebi.ac.uk/pdbsum/2dhh PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=2dhh RCSB]</span>
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[https://www.uniprot.org/uniprot/ACRB_ECOLI ACRB_ECOLI] AcrAB is a drug efflux protein with a broad substrate specificity.<ref>PMID:16915237</ref> <ref>PMID:16946072</ref> <ref>PMID:17194213</ref>
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}}
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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'''Crystal structure of a multidrug transporter reveal a functionally rotating mechanism'''
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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/dh/2dhh_consurf.spt"</scriptWhenChecked>
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==Overview==
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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AcrB is a principal multidrug efflux transporter in Escherichia coli that cooperates with an outer-membrane channel, TolC, and a membrane-fusion protein, AcrA. Here we describe crystal structures of AcrB with and without substrates. The AcrB-drug complex consists of three protomers, each of which has a different conformation corresponding to one of the three functional states of the transport cycle. Bound substrate was found in the periplasmic domain of one of the three protomers. The voluminous binding pocket is aromatic and allows multi-site binding. The structures indicate that drugs are exported by a three-step functionally rotating mechanism in which substrates undergo ordered binding change.
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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==About this Structure==
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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=2dhh ConSurf].
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2DHH is a [[Single protein]] structure of 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=2DHH OCA].
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<div style="clear:both"></div>
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== References ==
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==Reference==
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<references/>
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Crystal structures of a multidrug transporter reveal a functionally rotating mechanism., Murakami S, Nakashima R, Yamashita E, Matsumoto T, Yamaguchi A, Nature. 2006 Sep 14;443(7108):173-9. Epub 2006 Aug 16. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/16915237 16915237]
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__TOC__
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</StructureSection>
[[Category: Escherichia coli]]
[[Category: Escherichia coli]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: Matsumoto, T.]]
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[[Category: Matsumoto T]]
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[[Category: Murakami, S.]]
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[[Category: Murakami S]]
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[[Category: Nakashima, R.]]
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[[Category: Nakashima R]]
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[[Category: Yamashita, E.]]
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[[Category: Yamashita E]]
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[[Category: antiporter]]
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[[Category: drug resistance]]
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[[Category: exporter]]
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[[Category: membrane protein]]
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[[Category: membrane transporter]]
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[[Category: multidrug efflux]]
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[[Category: transporter]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Mar 31 02:34:44 2008''
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Current revision

Crystal structure of a multidrug transporter reveal a functionally rotating mechanism

PDB ID 2dhh

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