2o7d

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[[Image:2o7d.png|left|200px]]
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==Tyrosine ammonia-lyase from Rhodobacter sphaeroides, complexed with caffeate==
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<StructureSection load='2o7d' size='340' side='right' caption='[[2o7d]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2o7d]] is a 8 chain structure with sequence from [http://en.wikipedia.org/wiki/Rhodobacter_sphaeroides Rhodobacter sphaeroides]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2O7D OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2O7D FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=DHC:CAFFEIC+ACID'>DHC</scene><br>
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<tr><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=MDO:{2-[(1S)-1-AMINOETHYL]-4-METHYLIDENE-5-OXO-4,5-DIHYDRO-1H-IMIDAZOL-1-YL}ACETIC+ACID'>MDO</scene></td></tr>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[2o6y|2o6y]], [[1gkm|1gkm]], [[1w27|1w27]], [[1y2m|1y2m]], [[1t6j|1t6j]], [[2nyn|2nyn]]</td></tr>
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<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">hutH ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=1063 Rhodobacter sphaeroides])</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=2o7d FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2o7d OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2o7d RCSB], [http://www.ebi.ac.uk/pdbsum/2o7d 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/o7/2o7d_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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Aromatic amino acid ammonia-lyases catalyze the deamination of L-His, L-Phe, and L-Tyr, yielding ammonia plus aryl acids bearing an alpha,beta-unsaturated propenoic acid. We report crystallographic analyses of unliganded Rhodobacter sphaeroides tyrosine ammonia-lyase (RsTAL) and RsTAL bound to p-coumarate and caffeate. His 89 of RsTAL forms a hydrogen bond with the p-hydroxyl moieties of coumarate and caffeate. His 89 is conserved in TALs but replaced in phenylalanine ammonia-lyases (PALs) and histidine ammonia-lyases (HALs). Substitution of His 89 by Phe, a characteristic residue of PALs, yields a mutant with a switch in kinetic preference from L-Tyr to L-Phe. Structures of the H89F mutant in complex with the PAL product, cinnamate, or the PAL-specific inhibitor, 2-aminoindan-2-phosphonate (AIP), support the role of position 89 as a specificity determinant in the family of aromatic amino acid ammonia-lyases and aminomutases responsible for beta-amino acid biosynthesis.
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{{STRUCTURE_2o7d| PDB=2o7d | SCENE= }}
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Structural determinants and modulation of substrate specificity in phenylalanine-tyrosine ammonia-lyases.,Louie GV, Bowman ME, Moffitt MC, Baiga TJ, Moore BS, Noel JP Chem Biol. 2006 Dec;13(12):1327-38. PMID:17185228<ref>PMID:17185228</ref>
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===Tyrosine ammonia-lyase from Rhodobacter sphaeroides, complexed with caffeate===
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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_17185228}}
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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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[[2o7d]] is a 8 chain structure with sequence from [http://en.wikipedia.org/wiki/Rhodobacter_sphaeroides Rhodobacter sphaeroides]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2O7D OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:017185228</ref><references group="xtra"/>
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[[Category: Rhodobacter sphaeroides]]
[[Category: Rhodobacter sphaeroides]]
[[Category: Baiga, T J.]]
[[Category: Baiga, T J.]]

Revision as of 18:26, 30 September 2014

Tyrosine ammonia-lyase from Rhodobacter sphaeroides, complexed with caffeate

2o7d, resolution 1.90Å

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