1.14.13.180: aklavinone 12-hydroxylase
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For detailed information about aklavinone 12-hydroxylase, go to the full flat file.
Reaction
Synonyms
aklavinone 12-hydroxylase, DnrF, RdmE
ECTree
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Cloned
Cloned on EC 1.14.13.180 - aklavinone 12-hydroxylase
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expression in doxorubicin-sensitive Streptomyces galilaeus ATCC 31133. Transformation of Streptomyces galilaeus ATCC 31133 with plasmid pMC213 containing the aklavinone 11-hydroxylase gene (dnrF) results in the production of many red pigments. A new metabolite is purified, and the position of the newly introduced hydroxyl group is determined. The result indicates that the aklavinone 11-hydroxylase gene is stably expressed in Streptomyces galilaeus ATCC 31133 and that it gives rise to a hybrid aclacinomycin A which shows highly specific in vitro cytotoxicity against leukemia and melanoma cell lines
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heterologous expression of dnrF in Streptomyces liwidans TK23 and in Escherichia coli. Since the fusion protein does not show any hydroxylase activity, the dnrF gene is cloned into the pT7-7 vector that allows the expression of an unfused DnrF protein