5eeh: Difference between revisions

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'''Unreleased structure'''
==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]] 1.82&Aring;' scene=''>
The entry 5eeh is ON HOLD
== Structural highlights ==
 
<table><tr><td colspan='2'>[[5eeh]] is a 3 chain structure. 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 [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5EEH FirstGlance]. <br>
Authors: Wang, F., Singh, S., Thorson, J.S., Phillips Jr., G.N., Enzyme Discovery for Natural Product Biosynthesis (NatPro)
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><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='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[5eeg|5eeg]]</td></tr>
Description: Crystal structure of carminomycin-4-O-methyltransferase DnrK in complex with SAH and 2-chloro-4-nitrophenol
<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>
[[Category: Unreleased Structures]]
<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>
[[Category: G.N]]
</table>
[[Category: Enzyme Discovery For Natural Product Biosynthesis (Natpro)]]
== Function ==
[[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> 
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Carminomycin 4-O-methyltransferase]]
[[Category: NatPro, Enzyme Discovery for Natural Product Biosynthesis]]
[[Category: Phillips, G N]]
[[Category: Singh, S]]
[[Category: Singh, S]]
[[Category: Thorson, J S]]
[[Category: Wang, F]]
[[Category: Wang, F]]
[[Category: Phillips Jr]]
[[Category: Enzyme discovery for natural product biosynthesis]]
[[Category: Thorson, J.S]]
[[Category: Natpro]]
[[Category: PSI, Protein structure initiative]]
[[Category: Psi-biology]]
[[Category: Structural genomic]]
[[Category: Transferase]]
[[Category: Unnatural substrate]]

Revision as of 16:58, 16 December 2015

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

5eeh is a 3 chain structure. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Ligands:, ,
Activity:Carminomycin 4-O-methyltransferase, with EC number 2.1.1.292
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum

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

  1. Jansson A, Koskiniemi H, Mantsala P, Niemi J, Schneider G. Crystal structure of a ternary complex of DnrK, a methyltransferase in daunorubicin biosynthesis, with bound products. J Biol Chem. 2004 Sep 24;279(39):41149-56. Epub 2004 Jul 24. PMID:15273252 doi:10.1074/jbc.M407081200

5eeh, resolution 1.82Å

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