(S)-reticuline biosynthesis KEGG:map00950 UPa:UPA00306 KEGG:map01100 pathway Biosynthesis of (S)-reticuline, an important intermediate in synthesizing isoquinoline alkaloids. Reticuline is an important intermediate in the production of analgesic morphinan alkaloids (e.g. morphine), antimicrobial berberine alkaloids (e.g. berberine), and antimicrobial benzophenanthridine alkaloids (e.g. sanguinarine). KEGG:map01110 PMID:10811648 alkaloid biosynthesis isoquinoline alkaloid biosynthesis