ID 1.14.19.51 DE (S)-corytuberine synthase. AN CYP80G2. CA (S)-reticuline + reduced [NADPH--hemoprotein reductase] + O2 = (S)- CA corytuberine + oxidized [NADPH--hemoprotein reductase] + 2 H2O + 2 H(+). CC -!- Involved in the biosynthesis of the quaternary benzylisoquinoline CC alkaloid magnoflorine in the plant Coptis japonica. CC -!- It is specific for (S)-reticuline. DR A8CDR5, C80G2_COPJA; //