ID 1.14.14.117 DE aflatoxin B synthase. CA (1) 8-O-methylsterigmatocystin + 2 O2 + 2 reduced [NADPH--hemoprotein CA reductase] = aflatoxin B1 + CO2 + 2 H(+) + H2O + methanol + 2 oxidized CA [NADPH--hemoprotein reductase]. CA (2) 8-O-methyldihydrosterigmatocystin + 2 O2 + 2 reduced [NADPH- CA -hemoprotein reductase] = aflatoxin B2 + CO2 + 2 H(+) + H2O + methanol + CA 2 oxidized [NADPH--hemoprotein reductase]. CC -!- A cytochrome P450 (heme-thiolate) protein isolated from the mold CC Aspergillus parasiticus. CC -!- Formerly EC 1.14.13.175. DR O13345, AFLQ_ASPPU ; A0A0D9MRV9, ORDA_ASPFA ; P0CT93, ORDA_ASPFL ; DR B8NHY4, ORDA_ASPFN ; //