2prb

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[[Image:2prb.png|left|200px]]
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==crystal structure of aminoglycoside acetyltransferase AAC(6')-Ib in complex whith coenzyme A==
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<StructureSection load='2prb' size='340' side='right' caption='[[2prb]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2prb]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Salmonella_enterica_subsp._enterica_serovar_typhimurium Salmonella enterica subsp. enterica serovar typhimurium]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2PRB OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2PRB FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=COA:COENZYME+A'>COA</scene><br>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[2pr8|2pr8]]</td></tr>
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<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Aminoglycoside_N(6')-acetyltransferase Aminoglycoside N(6')-acetyltransferase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.3.1.82 2.3.1.82] </span></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=2prb FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2prb OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2prb RCSB], [http://www.ebi.ac.uk/pdbsum/2prb 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/pr/2prb_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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The emergence of multi-resistant pathogenic bacteria is a worldwide health issue. Recently, clinical variants of a single antibiotic-modifying acetyltransferase, AAC(6')-Ib-a variant of aminoglycoside 6'-N-acetyltransferase-have been identified that confer extended resistance to most aminoglycosides and, more surprisingly, to structurally unrelated fluoroquinolones. The corresponding gene is carried by mobile genetic elements and is present in most multi-resistant pathogenic strains, hence making it a serious threat to current therapies. Here, we report the crystal structures of both narrow- and broad-spectrum resistance variants of this enzyme, which reveal the structural basis for the emergence of extended resistance. The active site shows an important plasticity and has adapted to new substrates by a large-scale gaping process. We have also obtained co-crystals with both substrates, and with a simple transition state analogue, which provides new clues for the design of inhibitors of this resistance mechanism.
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{{STRUCTURE_2prb| PDB=2prb | SCENE= }}
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Enzyme structural plasticity and the emergence of broad-spectrum antibiotic resistance.,Maurice F, Broutin I, Podglajen I, Benas P, Collatz E, Dardel F EMBO Rep. 2008 Apr;9(4):344-9. Epub 2008 Feb 22. PMID:18292754<ref>PMID:18292754</ref>
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===crystal structure of aminoglycoside acetyltransferase AAC(6')-Ib in complex whith coenzyme A===
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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_18292754}}
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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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[[2prb]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Salmonella_enterica_subsp._enterica_serovar_typhimurium Salmonella enterica subsp. enterica serovar typhimurium]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2PRB OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:018292754</ref><references group="xtra"/>
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[[Category: Salmonella enterica subsp. enterica serovar typhimurium]]
[[Category: Salmonella enterica subsp. enterica serovar typhimurium]]
[[Category: Benas, P.]]
[[Category: Benas, P.]]

Revision as of 19:38, 30 September 2014

crystal structure of aminoglycoside acetyltransferase AAC(6')-Ib in complex whith coenzyme A

2prb, resolution 1.80Å

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