2h3e

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[[Image:2h3e.png|left|200px]]
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==Structure of wild-type E. coli Aspartate Transcarbamoylase in the presence of N-phosphonacetyl-L-isoasparagine at 2.3A resolution==
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<StructureSection load='2h3e' size='340' side='right' caption='[[2h3e]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2h3e]] is a 4 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=2H3E OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2H3E FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=6PR:(S)-4-AMINO-4-OXO-3-(2-PHOSPHONOACETAMIDO)BUTANOIC+ACID'>6PR</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene><br>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1d09|1d09]]</td></tr>
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<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">pyrB ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=562 Escherichia coli]), pyrI ([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>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Aspartate_carbamoyltransferase Aspartate carbamoyltransferase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.1.3.2 2.1.3.2] </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=2h3e FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2h3e OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2h3e RCSB], [http://www.ebi.ac.uk/pdbsum/2h3e 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/h3/2h3e_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 synthesis of a new inhibitor, N-phosphonacetyl-L-isoasparagine (PALI), of Escherichia coli aspartate transcarbamoylase (ATCase) is reported, as well as structural studies of the enzyme.PALI complex. PALI was synthesized in 7 steps from beta-benzyl L-aspartate. The KD of PALI was 2 microM. Kinetics and small-angle X-ray scattering experiments showed that PALI can induce the cooperative transition of ATCase from the T to the R state. The X-ray structure of the enzyme.PALI complex showed 22 hydrogen-bonding interactions between the enzyme and PALI. The kinetic characterization and crystal structure of the ATCase.PALI complex also provides detailed information regarding the importance of the alpha-carboxylate for the binding of the substrate aspartate.
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{{STRUCTURE_2h3e| PDB=2h3e | SCENE= }}
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N-phosphonacetyl-L-isoasparagine a potent and specific inhibitor of Escherichia coli aspartate transcarbamoylase.,Eldo J, Cardia JP, O'Day EM, Xia J, Tsuruta H, Kantrowitz ER J Med Chem. 2006 Oct 5;49(20):5932-8. PMID:17004708<ref>PMID:17004708</ref>
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===Structure of wild-type E. coli Aspartate Transcarbamoylase in the presence of N-phosphonacetyl-L-isoasparagine at 2.3A resolution===
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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_17004708}}
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==See Also==
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*[[Aspartate carbamoyltransferase|Aspartate carbamoyltransferase]]
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==About this Structure==
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== References ==
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[[2h3e]] is a 4 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=2H3E OCA].
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<references/>
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__TOC__
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==Reference==
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</StructureSection>
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<ref group="xtra">PMID:017004708</ref><references group="xtra"/>
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[[Category: Aspartate carbamoyltransferase]]
[[Category: Aspartate carbamoyltransferase]]
[[Category: Escherichia coli]]
[[Category: Escherichia coli]]

Revision as of 10:58, 30 September 2014

Structure of wild-type E. coli Aspartate Transcarbamoylase in the presence of N-phosphonacetyl-L-isoasparagine at 2.3A resolution

2h3e, resolution 2.30Å

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