2bvn

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[[Image:2bvn.png|left|200px]]
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==E. COLI EF-TU:GDPNP IN COMPLEX WITH THE ANTIBIOTIC ENACYLOXIN IIA==
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<StructureSection load='2bvn' size='340' side='right' caption='[[2bvn]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2bvn]] 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=2BVN OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2BVN FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ENX:ENACYLOXIN+IIA'>ENX</scene>, <scene name='pdbligand=GNP:PHOSPHOAMINOPHOSPHONIC+ACID-GUANYLATE+ESTER'>GNP</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene><br>
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<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Protein-synthesizing_GTPase Protein-synthesizing GTPase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.6.5.3 3.6.5.3] </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=2bvn FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2bvn OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2bvn RCSB], [http://www.ebi.ac.uk/pdbsum/2bvn 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/bv/2bvn_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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Elongation factor (EF-) Tu.GTP is the carrier of aminoacyl-tRNA to the programmed ribosome. Enacyloxin IIa inhibits bacterial protein synthesis by hindering the release of EF-Tu.GDP from the ribosome. The crystal structure of the Escherichia coli EF-Tu.guanylyl iminodiphosphate (GDPNP).enacyloxin IIa complex at 2.3 A resolution presented here reveals the location of the antibiotic at the interface of domains 1 and 3. The binding site overlaps that of kirromycin, an antibiotic with a structure that is unrelated to enacyloxin IIa but that also inhibits EF-Tu.GDP release. As one of the major differences, the enacyloxin IIa tail borders a hydrophobic pocket that is occupied by the longer tail of kirromycin, explaining the higher binding affinity of the latter. EF-Tu.GDPNP.enacyloxin IIa shows a disordered effector region that in the Phe-tRNAPhe.EF-Tu (Thermus aquaticus).GDPNP.enacyloxin IIa complex, solved at 3.1 A resolution, is stabilized by the interaction with tRNA. This work clarifies the structural background of the action of enacyloxin IIa and compares its properties with those of kirromycin, opening new perspectives for structure-guided design of novel antibiotics.
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{{STRUCTURE_2bvn| PDB=2bvn | SCENE= }}
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Enacyloxin IIa pinpoints a binding pocket of elongation factor Tu for development of novel antibiotics.,Parmeggiani A, Krab IM, Watanabe T, Nielsen RC, Dahlberg C, Nyborg J, Nissen P J Biol Chem. 2006 Feb 3;281(5):2893-900. Epub 2005 Oct 28. PMID:16257965<ref>PMID:16257965</ref>
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===E. COLI EF-TU:GDPNP IN COMPLEX WITH THE ANTIBIOTIC ENACYLOXIN IIA===
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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_16257965}}
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==About this Structure==
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[[2bvn]] 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=2BVN OCA].
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==See Also==
==See Also==
*[[Elongation factor|Elongation factor]]
*[[Elongation factor|Elongation factor]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:016257965</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Escherichia coli]]
[[Category: Escherichia coli]]
[[Category: Protein-synthesizing GTPase]]
[[Category: Protein-synthesizing GTPase]]

Revision as of 02:57, 29 September 2014

E. COLI EF-TU:GDPNP IN COMPLEX WITH THE ANTIBIOTIC ENACYLOXIN IIA

2bvn, resolution 2.30Å

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