label: demethylrebeccamycin--D-glucose O-methyltransferase activity
label_lc: demethylrebeccamycin--d-glucose o-methyltransferase activity
description: "Catalysis of the reaction: 4'-demethylrebeccamycin + S-adenosyl-L-methionine = H+ + rebeccamycin + S-adenosyl-L-homocysteine."