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==Crystal structure of carminomycin-4-O-methyltransferase DnrK in complex with SAH and 2-chloro-4-nitrophenol== | ==Crystal structure of carminomycin-4-O-methyltransferase DnrK in complex with SAH and 2-chloro-4-nitrophenol== | ||
<StructureSection load='5eeh' size='340' side='right' caption='[[5eeh]], [[Resolution|resolution]] 1.82Å' scene=''> | <StructureSection load='5eeh' size='340' side='right'caption='[[5eeh]], [[Resolution|resolution]] 1.82Å' scene=''> | ||
== Structural highlights == | == Structural highlights == | ||
<table><tr><td colspan='2'>[[5eeh]] is a 3 chain structure with sequence from [ | <table><tr><td colspan='2'>[[5eeh]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Streptomyces_peucetius Streptomyces peucetius]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5EEH OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5EEH FirstGlance]. <br> | ||
</td></tr><tr id=' | </td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.82Å</td></tr> | ||
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=P9P:2-CHLORANYL-4-NITRO-PHENOL'>P9P</scene>, <scene name='pdbligand=SAH:S-ADENOSYL-L-HOMOCYSTEINE'>SAH</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr> | |||
<tr id=' | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=5eeh FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5eeh OCA], [https://pdbe.org/5eeh PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5eeh RCSB], [https://www.ebi.ac.uk/pdbsum/5eeh PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5eeh ProSAT]</span></td></tr> | ||
< | |||
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[ | |||
</table> | </table> | ||
== Function == | == Function == | ||
[ | [https://www.uniprot.org/uniprot/DNRK_STRPE DNRK_STRPE] Involved in the biosynthesis of the anthracyclines carminomycin and daunorubicin (daunomycin) which are aromatic polyketide antibiotics that exhibit high cytotoxicity and are widely applied in the chemotherapy of a variety of cancers. In vivo, catalyzes the transfer of a methyl group from S-adenosyl-L-methionine to the 4-O-position of carminomycin to form daunorubicin. In vitro, it also methylates the anthracyclines rhodomycin D (10-carbomethoxy-13-deoxycarminomycin) and 13-deoxy-carminomycin at the 4-hydroxyl position. It is quite specific with respect to the length of the carbohydrate chain at the C7 position, but it can accept substrates with bulky substituent at C10 position.<ref>PMID:15273252</ref> | ||
<div style="background-color:#fffaf0;"> | <div style="background-color:#fffaf0;"> | ||
== Publication Abstract from PubMed == | == Publication Abstract from PubMed == | ||
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__TOC__ | __TOC__ | ||
</StructureSection> | </StructureSection> | ||
[[Category: | [[Category: Large Structures]] | ||
[[Category: | [[Category: Streptomyces peucetius]] | ||
[[Category: Phillips Jr GN]] | |||
[[Category: Phillips | [[Category: Singh S]] | ||
[[Category: Singh | [[Category: Thorson JS]] | ||
[[Category: Thorson | [[Category: Wang F]] | ||
[[Category: Wang | |||