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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=''> | ||
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[5eeg|5eeg]]</td></tr> | <tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[5eeg|5eeg]]</td></tr> | ||
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Carminomycin_4-O-methyltransferase Carminomycin 4-O-methyltransferase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.1.1.292 2.1.1.292] </span></td></tr> | <tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Carminomycin_4-O-methyltransferase Carminomycin 4-O-methyltransferase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.1.1.292 2.1.1.292] </span></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=5eeh FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5eeh OCA], [http://pdbe.org/5eeh PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5eeh RCSB], [http://www.ebi.ac.uk/pdbsum/5eeh PDBsum]</span></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=5eeh FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5eeh OCA], [http://pdbe.org/5eeh PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5eeh RCSB], [http://www.ebi.ac.uk/pdbsum/5eeh PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=5eeh ProSAT]</span></td></tr> | ||
</table> | </table> | ||
== Function == | == Function == | ||
Revision as of 06:04, 13 July 2016
Crystal structure of carminomycin-4-O-methyltransferase DnrK in complex with SAH and 2-chloro-4-nitrophenolCrystal structure of carminomycin-4-O-methyltransferase DnrK in complex with SAH and 2-chloro-4-nitrophenol
Structural highlights
Function[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.[1] References
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