3buj

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[[Image:3buj.png|left|200px]]
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==Crystal Structure of CalO2==
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<StructureSection load='3buj' size='340' side='right' caption='[[3buj]], [[Resolution|resolution]] 2.47&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3buj]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Micromonospora_echinospora Micromonospora echinospora]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3BUJ OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3BUJ FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene><br>
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<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">calO2 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=1877 Micromonospora echinospora])</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=3buj FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3buj OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3buj RCSB], [http://www.ebi.ac.uk/pdbsum/3buj 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/bu/3buj_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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Although bacterial iterative Type I polyketide synthases are now known to participate in the biosynthesis of a small set of diverse natural products, the subsequent downstream modification of the resulting polyketide products remains poorly understood. Toward this goal, we report the X-ray structure determination at 2.5 A resolution and preliminary characterization of the putative orsellenic acid P450 oxidase (CalO2) involved in calicheamicin biosynthesis. These studies represent the first crystal structure for a P450 involved in modifying a bacterial iterative Type I polyketide product and suggest the CalO2-catalyzed step may occur after CalO3-catalyzed iodination and may also require a coenzyme A- (CoA) or acyl carrier protein- (ACP) bound substrate. Docking studies also reveal a putative docking site within CalO2 for the CLM orsellinic acid synthase (CalO5) ACP domain which involves a well-ordered helix along the CalO2 active site cavity that is unique compared with other P450 structures.
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{{STRUCTURE_3buj| PDB=3buj | SCENE= }}
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Structural characterization of CalO2: a putative orsellinic acid P450 oxidase in the calicheamicin biosynthetic pathway.,McCoy JG, Johnson HD, Singh S, Bingman CA, Lei IK, Thorson JS, Phillips GN Jr Proteins. 2009 Jan;74(1):50-60. PMID:18561189<ref>PMID:18561189</ref>
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===Crystal Structure of CalO2===
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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_18561189}}
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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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[[3buj]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Micromonospora_echinospora Micromonospora echinospora]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3BUJ OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:018561189</ref><references group="xtra"/>
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[[Category: Micromonospora echinospora]]
[[Category: Micromonospora echinospora]]
[[Category: Bingman, C A.]]
[[Category: Bingman, C A.]]

Revision as of 20:42, 2 October 2014

Crystal Structure of CalO2

3buj, resolution 2.47Å

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