ID 2.1.1.343 DE 8-amino-8-demethylriboflavin N,N-dimethyltransferase. CA 8-amino-8-demethylriboflavin + 2 S-adenosyl-L-methionine = 2 H(+) + CA roseoflavin + 2 S-adenosyl-L-homocysteine. CC -!- The enzyme, characterized from the soil bacterium Streptomyces CC davawensis, catalyzes the last two steps in the biosynthesis of the CC antibiotic roseoflavin. DR K4RFM2, ROSA_STRDJ ; //