This enzyme catalyses a step in the biosynthesis of rebeccamycin, an indolocarbazole alkaloid produced by the bacterium Lechevalieria aerocolonigenes. The enzyme is a glycosylase, and acts in the reverse direction to that shown. It has a wide substrate range, and was shown to glycosylate several substrates, including the staurosporine aglycone, EJG-III-108A, J-104303, 6-N-methyl-arcyriaflavin C and indolo-[2,3-a]-carbazole [1,2].
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The enzyme appears in viruses and cellular organisms
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SYSTEMATIC NAME
IUBMB Comments
4'-demethylrebeccamycin D-glucose-lyase
This enzyme catalyses a step in the biosynthesis of rebeccamycin, an indolocarbazole alkaloid produced by the bacterium Lechevalieria aerocolonigenes. The enzyme is a glycosylase, and acts in the reverse direction to that shown. It has a wide substrate range, and was shown to glycosylate several substrates, including the staurosporine aglycone, EJG-III-108A, J-104303, 6-N-methyl-arcyriaflavin C and indolo-[2,3-a]-carbazole [1,2].
enzyme is part of the biosynthetic gene cluster for synthesis of rebeccamycin in Lechevalieria aerocolonigenes ATCC 39243. Besides N-glycosyltransferase RebG, genes encode a monooxygenase RebC, methyltransferase RebM, transcriptional activator RebR, and halogenase RebH. A RebG gene disruption mutant produces the rebeccamycin aglycone but not rebeccamycin itself
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Enzyme Nomenclature
4.3.3.5 4'-demethylrebeccamycin synthase
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