1.14.99.58 ferredoxin-NADP+-oxidoreductase - 726833 1.14.99.58 heme - 742737, 742771 1.14.99.58 additional information with PigA, there is no difference in product formation whether ferredoxin-NADP+-oxidoreductase or ferredoxin, FNR and ascorbate are used as electron donor 726833