5dov: Difference between revisions
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''' | ==Crystal structure of JamJ enoyl reductase (apo form)== | ||
<StructureSection load='5dov' size='340' side='right' caption='[[5dov]], [[Resolution|resolution]] 1.80Å' scene=''> | |||
== Structural highlights == | |||
<table><tr><td colspan='2'>[[5dov]] is a 2 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5DOV OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5DOV FirstGlance]. <br> | |||
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=GOL:GLYCEROL'>GOL</scene></td></tr> | |||
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[5doz|5doz]], [[5dp1|5dp1]], [[5dp2|5dp2]]</td></tr> | |||
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5dov FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5dov OCA], [http://pdbe.org/5dov PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5dov RCSB], [http://www.ebi.ac.uk/pdbsum/5dov PDBsum]</span></td></tr> | |||
</table> | |||
<div style="background-color:#fffaf0;"> | |||
== Publication Abstract from PubMed == | |||
The natural product curacin A, a potent anticancer agent, contains a rare cyclopropane group. The five enzymes for cyclopropane biosynthesis are highly similar to enzymes that generate a vinyl chloride moiety in the jamaicamide natural product. The structural biology of this remarkable catalytic adaptability is probed with high-resolution crystal structures of the curacin cyclopropanase (CurF ER), an in vitro enoyl reductase (JamJ ER), and a canonical curacin enoyl reductase (CurK ER). The JamJ and CurK ERs catalyze NADPH-dependent double bond reductions typical of enoyl reductases (ERs) of the medium-chain dehydrogenase reductase (MDR) superfamily. Cyclopropane formation by CurF ER is specified by a short loop which, when transplanted to JamJ ER, confers cyclopropanase activity on the chimeric enzyme. Detection of an adduct of NADPH with the model substrate crotonyl-CoA provides indirect support for a recent proposal of a C2-ene intermediate on the reaction pathway of MDR enoyl-thioester reductases. | |||
Structural Basis for Cyclopropanation by a Unique Enoyl-Acyl Carrier Protein Reductase.,Khare D, Hale WA, Tripathi A, Gu L, Sherman DH, Gerwick WH, Hakansson K, Smith JL Structure. 2015 Oct 24. pii: S0969-2126(15)00405-0. doi:, 10.1016/j.str.2015.09.013. PMID:26526850<ref>PMID:26526850</ref> | |||
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |||
</div> | |||
<div class="pdbe-citations 5dov" style="background-color:#fffaf0;"></div> | |||
== References == | |||
<references/> | |||
__TOC__ | |||
</StructureSection> | |||
[[Category: Khare, D]] | [[Category: Khare, D]] | ||
[[Category: Smith, J L]] | |||
[[Category: Cyclopropane]] | |||
[[Category: Enoyl reductase]] | |||
[[Category: Nadph]] | |||
[[Category: Oxidoreductase]] | |||
[[Category: Polyketide synthase]] | |||
Revision as of 19:00, 1 December 2015
Crystal structure of JamJ enoyl reductase (apo form)
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