ID   4.2.1.142
DE   5'-oxoaverantin cyclase.
AN   OAVN cyclase.
CA   (S)-5'-oxoaverantin + H(+) = (1'S,5'S)-averufin + H2O.
CC   -!- Isolated from the aflatoxin-producing mold Aspergillus parasiticus.
CC   -!- The enzyme also catalyzes the conversion of versiconal to
CC       versicolorin B (EC 4.2.1.143).
CC   -!- Involved in aflatoxin biosynthesis.
DR   Q12062, AFLK_ASPPU ;  C8VDT4, STCN_EMENI ;  A4UHS8, VBSA_DOTSE ;
DR   M2Y151, VBSA_DOTSN ;
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