1tw3

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{{Seed}}
 
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[[Image:1tw3.png|left|200px]]
 
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==Crystal structure of Carminomycin-4-O-methyltransferase (DnrK) in complex with S-adenosyl-L-homocystein (SAH) and 4-methoxy-e-rhodomycin T (M-ET)==
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The line below this paragraph, containing "STRUCTURE_1tw3", creates the "Structure Box" on the page.
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<StructureSection load='1tw3' size='340' side='right'caption='[[1tw3]], [[Resolution|resolution]] 2.35&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[1tw3]] is a 2 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=1TW3 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1TW3 FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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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]] 2.35&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><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>
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{{STRUCTURE_1tw3| PDB=1tw3 | SCENE= }}
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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=1tw3 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1tw3 OCA], [https://pdbe.org/1tw3 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1tw3 RCSB], [https://www.ebi.ac.uk/pdbsum/1tw3 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1tw3 ProSAT]</span></td></tr>
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</table>
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===Crystal structure of Carminomycin-4-O-methyltransferase (DnrK) in complex with S-adenosyl-L-homocystein (SAH) and 4-methoxy-e-rhodomycin T (M-ET)===
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== Function ==
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[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>
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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The line below this paragraph, {{ABSTRACT_PUBMED_15273252}}, adds the Publication Abstract to the page
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Check<jmol>
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(as it appears on PubMed at http://www.pubmed.gov), where 15273252 is the PubMed ID number.
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/tw/1tw3_consurf.spt"</scriptWhenChecked>
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{{ABSTRACT_PUBMED_15273252}}
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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==About this Structure==
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</jmolCheckbox>
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1TW3 is a [[Single protein]] structure of 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].
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=1tw3 ConSurf].
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<div style="clear:both"></div>
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==Reference==
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== References ==
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Crystal structure of a ternary complex of DnrK, a methyltransferase in daunorubicin biosynthesis, with bound products., Jansson A, Koskiniemi H, Mantsala P, Niemi J, Schneider G, J Biol Chem. 2004 Sep 24;279(39):41149-56. Epub 2004 Jul 24. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/15273252 15273252]
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<references/>
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[[Category: Single protein]]
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__TOC__
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</StructureSection>
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[[Category: Large Structures]]
[[Category: Streptomyces peucetius]]
[[Category: Streptomyces peucetius]]
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[[Category: Jansson, A.]]
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[[Category: Jansson A]]
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[[Category: Koskiniemi, H.]]
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[[Category: Koskiniemi H]]
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[[Category: Mantsala, P.]]
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[[Category: Mantsala P]]
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[[Category: Niemi, J.]]
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[[Category: Niemi J]]
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[[Category: Schneider, G.]]
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[[Category: Schneider G]]
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[[Category: Anthracycline]]
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[[Category: Methylate]]
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[[Category: Methyltransferase]]
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[[Category: Polyketide]]
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[[Category: S-adenosyl-l-homocystein]]
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[[Category: Streptomyce]]
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[[Category: Tailoring enzyme]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 23:45:58 2008''
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Current revision

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

PDB ID 1tw3

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