ID 4.2.1.143 DE versicolorin B synthase. AN versiconal cyclase. CA (2S-3S)-versiconal hemiacetal = H2O + versicolorin B. CC -!- Isolated from the aflatoxin-producing mold Aspergillus parasiticus. CC -!- Involved in aflatoxin biosynthesis. DR Q12062, AFLK_ASPPU ; C8VDT4, STCN_EMENI ; A4UHS8, VBSA_DOTSE ; DR M2Y151, VBSA_DOTSN ; //