1tw3

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<StructureSection load='1tw3' size='340' side='right' caption='[[1tw3]], [[Resolution|resolution]] 2.35&Aring;' scene=''>
<StructureSection load='1tw3' size='340' side='right' caption='[[1tw3]], [[Resolution|resolution]] 2.35&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[1tw3]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Streptomyces_peucetius Streptomyces peucetius]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1TW3 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1TW3 FirstGlance]. <br>
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<table><tr><td colspan='2'>[[1tw3]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/As_4.1799 As 4.1799]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1TW3 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1TW3 FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ERT:METHYL+(4R)-2-ETHYL-2,5,12-TRIHYDROXY-7-METHOXY-6,11-DIOXO-4-{[2,3,6-TRIDEOXY-3-(DIMETHYLAMINO)-BETA-D-RIBO-HEXOPYRANOSYL]OXY}-1H,2H,3H,4H,6H,11H-TETRACENE-1-CARBOXYLATE'>ERT</scene>, <scene name='pdbligand=SAH:S-ADENOSYL-L-HOMOCYSTEINE'>SAH</scene></td></tr>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ERT:METHYL+(4R)-2-ETHYL-2,5,12-TRIHYDROXY-7-METHOXY-6,11-DIOXO-4-{[2,3,6-TRIDEOXY-3-(DIMETHYLAMINO)-BETA-D-RIBO-HEXOPYRANOSYL]OXY}-1H,2H,3H,4H,6H,11H-TETRACENE-1-CARBOXYLATE'>ERT</scene>, <scene name='pdbligand=SAH:S-ADENOSYL-L-HOMOCYSTEINE'>SAH</scene></td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1qzz|1qzz]], [[1r00|1r00]], [[1wt2|1wt2]]</td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1qzz|1qzz]], [[1r00|1r00]], [[1wt2|1wt2]]</td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">dnrk ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=1950 Streptomyces peucetius])</td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">dnrk ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=1950 AS 4.1799])</td></tr>
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<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=1tw3 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1tw3 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1tw3 RCSB], [http://www.ebi.ac.uk/pdbsum/1tw3 PDBsum]</span></td></tr>
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<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=1tw3 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1tw3 OCA], [http://pdbe.org/1tw3 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=1tw3 RCSB], [http://www.ebi.ac.uk/pdbsum/1tw3 PDBsum]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/CM4T_STRPE CM4T_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>
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[[http://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>
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
</div>
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<div class="pdbe-citations 1tw3" style="background-color:#fffaf0;"></div>
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Streptomyces peucetius]]
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[[Category: As 4 1799]]
[[Category: Jansson, A]]
[[Category: Jansson, A]]
[[Category: Koskiniemi, H]]
[[Category: Koskiniemi, H]]

Revision as of 07:14, 11 September 2015

Crystal structure of Carminomycin-4-O-methyltransferase (DnrK) in complex with S-adenosyl-L-homocystein (SAH) and 4-methoxy-e-rhodomycin T (M-ET)

1tw3, resolution 2.35Å

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