1.13.12.20 Aflatoxin biosynthesis - 00254 1.13.12.20 aflatoxin biosynthesis aflatoxin biosynthesis - 1.13.12.20 Biosynthesis of secondary metabolites - 01110 1.13.12.20 Metabolic pathways - 01100 1.13.12.20 (1'S,5'S)-averufin biosynthesis - -