1.7.2.3 trimethylamine + 2 (ferricytochrome c)-subunit + H2O = trimethylamine N-oxide + 2 (ferrocytochrome c)-subunit + 2 H+ - - 1.7.2.3 trimethylamine + 2 (ferricytochrome c)-subunit + H2O = trimethylamine N-oxide + 2 (ferrocytochrome c)-subunit + 2 H+ molybdenum serves as electron donor within the enzyme, enzyme-MoIV + (CH3)3NdO + 2H+ = enzyme-MoVI + (CH3)3N + H2O 687081