The Enzyme Database

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Accepted name: aklavinone 12-hydroxylase
Reaction: aklavinone + NADPH + H+ + O2 = ε-rhodomycinone + NADP+ + H2O
For diagram of aflatoxin biosynthesis, click here
Glossary: aklavinone = methyl (1R,2R,4S)-2-ethyl-2,4,5,7-tetrahydroxy-6,11-dioxo-1,2,3,4,6,11-hexahydrotetracene-1-carboxylate
ε-rhodomycinone = methyl (1R,2R,4S)-2-ethyl-2,4,5,7,12-pentahydroxy-6,11-dioxo-1,2,3,4,6,11-hexahydrotetracene-1-carboxylate
Other name(s): DnrF; RdmE; aklavinone 11-hydroxylase (incorrect)
Systematic name: aklavinone,NADPH:oxygen oxidoreductase (12-hydroxylating)
Comments: The enzymes from the Gram-positive bacteria Streptomyces peucetius and Streptomyces purpurascens participate in the biosynthesis of daunorubicin, doxorubicin and rhodomycins. The enzyme from Streptomyces purpurascens is an FAD monooxygenase.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Filippini, S., Solinas, M.M., Breme, U., Schluter, M.B., Gabellini, D., Biamonti, G., Colombo, A.L. and Garofano, L. Streptomyces peucetius daunorubicin biosynthesis gene, dnrF: sequence and heterologous expression. Microbiology 141 (1995) 1007–1016. [PMID: 7773378]
2.  Niemi, J., Wang, Y., Airas, K., Ylihonko, K., Hakala, J. and Mantsala, P. Characterization of aklavinone-11-hydroxylase from Streptomyces purpurascens. Biochim. Biophys. Acta 1430 (1999) 57–64. [PMID: 10082933]
[EC created 2013]

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