1.7.1.B2 an aromatic amine + 3 NAD(P)+ + 2 H2O = an aromatic nitrate + 3 NAD(P)H + 3 H+ (overall reaction) - 1.7.1.B2 an aromatic amine + 3 NAD(P)+ + 2 H2O = an aromatic nitrate + 3 NAD(P)H + 3 H+ in vivo the reaction is obseverved in the opposite direction from that shown in the equation - 1.7.1.B2 an aromatic amine + NAD(P)+ + H2O = an aromatic hydroxylamine + NAD(P)H + H+ (1a) - 1.7.1.B2 an aromatic hydroxylamine + NAD(P)+ = an aromatic nitric oxide + NAD(P)H + H+ (1b) - 1.7.1.B2 an aromatic nitric oxide + NAD(P)+ + H2O = an aromatic nitrate + NAD(P)H + H+ (1c) -