9cgn

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m (Protected "9cgn" [edit=sysop:move=sysop])
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'''Unreleased structure'''
 
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The entry 9cgn is ON HOLD until Paper Publication
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==Pikromycin Thioesterase with heptaketide adduct==
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<StructureSection load='9cgn' size='340' side='right'caption='[[9cgn]], [[Resolution|resolution]] 2.80&Aring;' scene=''>
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Authors:
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== Structural highlights ==
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<table><tr><td colspan='2'>[[9cgn]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Streptomyces_venezuelae Streptomyces venezuelae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=9CGN OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=9CGN FirstGlance]. <br>
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Description:
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.8&#8491;</td></tr>
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[[Category: Unreleased Structures]]
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=A1AWF:(2S,4R,5S,6S,8R,12R,13R)-5,13-dihydroxy-2,4,6,8,12-pentamethyl-3,9-dioxopentadecanal'>A1AWF</scene>, <scene name='pdbligand=DPP:DIAMINOPROPANOIC+ACID'>DPP</scene></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=9cgn FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=9cgn OCA], [https://pdbe.org/9cgn PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=9cgn RCSB], [https://www.ebi.ac.uk/pdbsum/9cgn PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=9cgn ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/PIKA4_STRVZ PIKA4_STRVZ] Involved in the biosynthesis of 12- and 14-membered ring macrolactone antibiotics such as methymycin and neomethymycin, and pikromycin and narbomycin, respectively. Component of the pikromycin PKS which catalyzes the biosynthesis of both precursors 10-deoxymethynolide (12-membered ring macrolactone) and narbonolide (14-membered ring macrolactone). Chain elongation through PikAI, PikAII and PikAIII followed by thioesterase catalyzed termination results in the production of 10-deoxymethynolide, while continued elongation through PikAIV, followed by thioesterase (TE) catalyzed cyclization results in the biosynthesis of the narbonolide. The thioesterase can use a series of diketide-N-acetylcysteamine (SNAC) thioesters, but has a strong preference for the 2-methyl-3-ketopentanoyl-SNAC over the stereoisomers of 2-methyl-3-hydroxyacyl-SNAC (PubMed:12379101, PubMed:12733905).<ref>PMID:10421766</ref> <ref>PMID:10676969</ref> <ref>PMID:12379101</ref> <ref>PMID:12733905</ref> <ref>PMID:16969372</ref> <ref>PMID:17719493</ref> <ref>PMID:19027305</ref>
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== References ==
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<references/>
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__TOC__
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</StructureSection>
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[[Category: Large Structures]]
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[[Category: Streptomyces venezuelae]]
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[[Category: Choudhary V]]
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[[Category: Smith JL]]

Revision as of 04:57, 18 September 2024

Pikromycin Thioesterase with heptaketide adduct

PDB ID 9cgn

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