1dzt

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{{STRUCTURE_1dzt| PDB=1dzt | SCENE= }}
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==RMLC FROM SALMONELLA TYPHIMURIUM==
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===RMLC FROM SALMONELLA TYPHIMURIUM===
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<StructureSection load='1dzt' size='340' side='right' caption='[[1dzt]], [[Resolution|resolution]] 2.20&Aring;' scene=''>
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{{ABSTRACT_PUBMED_10802738}}
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1dzt]] is a 2 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=1DZT OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1DZT FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ATY:3-O-ACETYLTHYMIDINE-5-DIPHOSPHATE'>ATY</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene>, <scene name='pdbligand=TPE:3-O-ACETYLTHYMIDINE-(5+DIPHOSPHATE+PHENYL+ESTER)'>TPE</scene><br>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1dzr|1dzr]]</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/dTDP-4-dehydrorhamnose_3,5-epimerase dTDP-4-dehydrorhamnose 3,5-epimerase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=5.1.3.13 5.1.3.13] </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=1dzt FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1dzt OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1dzt RCSB], [http://www.ebi.ac.uk/pdbsum/1dzt 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/dz/1dzt_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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Deoxythymidine diphosphate (dTDP)-L-rhamnose is the precursor of L-rhamnose, a saccharide required for the virulence of some pathogenic bacteria. dTDP-L-rhamnose is synthesized from glucose-1-phosphate and deoxythymidine triphosphate (dTTP) via a pathway involving four distinct enzymes. This pathway does not exist in humans and the enzymes involved in dTDP-L-rhamnose synthesis are potential targets for the design of new therapeutic agents. Here, the crystal structure of dTDP-6-deoxy-D-xylo-4-hexulose 3,5 epimerase (RmlC, EC5.1.3.13) from Salmonella enterica serovar Typhimurium was determined. The third enzyme of the rhamnose biosynthetic pathway, RmlC epimerizes at two carbon centers, the 3 and 5 positions of the sugar ring. The structure was determined by multiwavelength anomalous diffraction to a resolution of 2.17 A. RmlC is a dimer and each monomer is formed mainly from two beta-sheets arranged in a beta-sandwich. The structure of a dTDP-phenol-RmlC complex shows the substrate-binding site to be located between the two beta-sheets; this site is formed from residues of both monomers. Sequence alignments of other RmlC enzymes confirm that this region is very highly conserved. The enzyme is distinct structurally from other epimerases known and thus, is the first example of a new class of carbohydrate epimerase.
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==Function==
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RmlC, the third enzyme of dTDP-L-rhamnose pathway, is a new class of epimerase.,Giraud MF, Leonard GA, Field RA, Berlind C, Naismith JH Nat Struct Biol. 2000 May;7(5):398-402. PMID:10802738<ref>PMID:10802738</ref>
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[[http://www.uniprot.org/uniprot/RFBC_SALTY RFBC_SALTY]] Catalyzes the epimerization of the C3' and C5'positions of dTDP-6-deoxy-D-xylo-4-hexulose, forming dTDP-6-deoxy-L-lyxo-4-hexulose.<ref>PMID:17046787</ref>
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==About this Structure==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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[[1dzt]] is a 2 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=1DZT OCA].
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</div>
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==Reference==
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==See Also==
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<ref group="xtra">PMID:010802738</ref><references group="xtra"/><references/>
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*[[RmlC|RmlC]]
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== References ==
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<references/>
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__TOC__
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</StructureSection>
[[Category: Salmonella enterica subsp. enterica serovar typhimurium]]
[[Category: Salmonella enterica subsp. enterica serovar typhimurium]]
[[Category: DTDP-4-dehydrorhamnose 3,5-epimerase]]
[[Category: DTDP-4-dehydrorhamnose 3,5-epimerase]]

Revision as of 09:21, 3 October 2014

RMLC FROM SALMONELLA TYPHIMURIUM

1dzt, resolution 2.20Å

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