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<StructureSection load='1oy8' size='340' side='right'caption='[[1oy8]], [[Resolution|resolution]] 3.63&Aring;' scene=''>
<StructureSection load='1oy8' size='340' side='right'caption='[[1oy8]], [[Resolution|resolution]] 3.63&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[1oy8]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/"bacillus_coli"_migula_1895 "bacillus coli" migula 1895]. The November 2007 RCSB PDB [http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Multidrug Resistance Transporters''  by David S. Goodsell is [http://dx.doi.org/10.2210/rcsb_pdb/mom_2007_11 10.2210/rcsb_pdb/mom_2007_11]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1OY8 OCA]. For a <b>guided tour on the structure components</b> use [http://proteopedia.org/fgij/fg.htm?mol=1OY8 FirstGlance]. <br>
<table><tr><td colspan='2'>[[1oy8]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. The November 2007 RCSB PDB [https://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Multidrug Resistance Transporters''  by David S. Goodsell is [https://dx.doi.org/10.2210/rcsb_pdb/mom_2007_11 10.2210/rcsb_pdb/mom_2007_11]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1OY8 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1OY8 FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=RHQ:RHODAMINE+6G'>RHQ</scene></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 3.63&#8491;</td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">ACRB OR ACRE OR B0462 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=562 "Bacillus coli" Migula 1895])</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=RHQ:RHODAMINE+6G'>RHQ</scene></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://proteopedia.org/fgij/fg.htm?mol=1oy8 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1oy8 OCA], [http://pdbe.org/1oy8 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=1oy8 RCSB], [http://www.ebi.ac.uk/pdbsum/1oy8 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=1oy8 ProSAT]</span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1oy8 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1oy8 OCA], [https://pdbe.org/1oy8 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1oy8 RCSB], [https://www.ebi.ac.uk/pdbsum/1oy8 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1oy8 ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[http://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>
[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>  
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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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=1oy8 ConSurf].
</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=1oy8 ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Multidrug efflux pumps cause serious problems in cancer chemotherapy and treatment of bacterial infections. Yet high-resolution structures of ligand transporter complexes have previously been unavailable. We obtained x-ray crystallographic structures of the trimeric AcrB pump from Escherichia coli with four structurally diverse ligands. The structures show that three molecules of ligands bind simultaneously to the extremely large central cavity of 5000 cubic angstroms, primarily by hydrophobic, aromatic stacking and van der Waals interactions. Each ligand uses a slightly different subset of AcrB residues for binding. The bound ligand molecules often interact with each other, stabilizing the binding.
Structural basis of multiple drug-binding capacity of the AcrB multidrug efflux pump.,Yu EW, McDermott G, Zgurskaya HI, Nikaido H, Koshland DE Jr Science. 2003 May 9;300(5621):976-80. PMID:12738864<ref>PMID:12738864</ref>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 1oy8" style="background-color:#fffaf0;"></div>
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Bacillus coli migula 1895]]
[[Category: Escherichia coli]]
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Multidrug Resistance Transporters]]
[[Category: Multidrug Resistance Transporters]]
[[Category: RCSB PDB Molecule of the Month]]
[[Category: RCSB PDB Molecule of the Month]]
[[Category: Koshland, D E]]
[[Category: Koshland Jr DE]]
[[Category: McDermott, G]]
[[Category: McDermott G]]
[[Category: Nikaido, H]]
[[Category: Nikaido H]]
[[Category: Yu, E W]]
[[Category: Yu EW]]
[[Category: Zgurskaya, H I]]
[[Category: Zgurskaya HI]]
[[Category: Membrane protein]]

Latest revision as of 08:03, 14 February 2024

Structural Basis of Multiple Drug Binding Capacity of the AcrB Multidrug Efflux Pump

1oy8, resolution 3.63Å

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