ID 1.3.99.16 DE isoquinoline 1-oxidoreductase. CA A + H2O + isoquinoline = AH2 + isoquinolin-1(2H)-one. CC -!- The enzyme from Pseudomonas diminuta is specific toward N-containing CC N-heterocyclic substrates, including isoquinoline, isoquinolin-5-ol, CC phthalazine and quinazoline. CC -!- Electron acceptors include 1,2-benzoquinone, cytochrome c, CC ferricyanide, iodonitrotetrazolium chloride (INT), nitroblue CC tetrazolium (NBT), Meldola blue and phenazine methosulfate. DR Q51697, IORA_BREDI ; Q51698, IORB_BREDI ; //