1r30

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[[Image:1r30.png|left|200px]]
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==The Crystal Structure of Biotin Synthase, an S-Adenosylmethionine-Dependent Radical Enzyme==
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<StructureSection load='1r30' size='340' side='right' caption='[[1r30]], [[Resolution|resolution]] 3.40&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1r30]] 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=1R30 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1R30 FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=DTB:6-(5-METHYL-2-OXO-IMIDAZOLIDIN-4-YL)-HEXANOIC+ACID'>DTB</scene>, <scene name='pdbligand=FES:FE2/S2+(INORGANIC)+CLUSTER'>FES</scene>, <scene name='pdbligand=SAM:S-ADENOSYLMETHIONINE'>SAM</scene>, <scene name='pdbligand=SF4:IRON/SULFUR+CLUSTER'>SF4</scene>, <scene name='pdbligand=TRS:2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL'>TRS</scene><br>
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<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">BIOB ([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/Biotin_synthase Biotin synthase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.8.1.6 2.8.1.6] </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=1r30 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1r30 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1r30 RCSB], [http://www.ebi.ac.uk/pdbsum/1r30 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/r3/1r30_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 crystal structure of biotin synthase from Escherichia coli in complex with S-adenosyl-L-methionine and dethiobiotin has been determined to 3.4 angstrom resolution. This structure addresses how "AdoMet radical" or "radical SAM" enzymes use Fe4S4 clusters and S-adenosyl-L-methionine to generate organic radicals. Biotin synthase catalyzes the radical-mediated insertion of sulfur into dethiobiotin to form biotin. The structure places the substrates between the Fe4S4 cluster, essential for radical generation, and the Fe2S2 cluster, postulated to be the source of sulfur, with both clusters in unprecedented coordination environments.
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{{STRUCTURE_1r30| PDB=1r30 | SCENE= }}
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Crystal structure of biotin synthase, an S-adenosylmethionine-dependent radical enzyme.,Berkovitch F, Nicolet Y, Wan JT, Jarrett JT, Drennan CL Science. 2004 Jan 2;303(5654):76-9. PMID:14704425<ref>PMID:14704425</ref>
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===The Crystal Structure of Biotin Synthase, an S-Adenosylmethionine-Dependent Radical Enzyme===
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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_14704425}}
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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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[[1r30]] 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=1R30 OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:014704425</ref><references group="xtra"/>
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[[Category: Biotin synthase]]
[[Category: Biotin synthase]]
[[Category: Escherichia coli]]
[[Category: Escherichia coli]]

Revision as of 14:13, 29 September 2014

The Crystal Structure of Biotin Synthase, an S-Adenosylmethionine-Dependent Radical Enzyme

1r30, resolution 3.40Å

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