1.6.2.1 NADH2 cytochrome c reductase transferred to EC 1.6.99.3 1.6.2.2 cytochrome-b5 reductase - 1.6.2.3 cytochrome reductase (NADPH) deleted 1.6.2.4 NADPH-hemoprotein reductase - 1.6.2.5 NADPH-cytochrome-c2 reductase - 1.6.2.6 leghemoglobin reductase -