1.6.3.5 1,2-dihydro-beta-NAD(P) + H+ + O2 = beta-NAD(P)+ + H2O2 (1) - 1.6.3.5 1,6-dihydro-beta-NAD(P) + H+ + O2 = beta-NAD(P)+ + H2O2 (2) -