trimethylamine + 2 Fe(III)-[cytochrome c] + H2O = trimethylamine N-oxide + 2 Fe(II)-[cytochrome c] + 3 H(+)
trimethylamine + 2 fe(iii)-[cytochrome c] + h2o = trimethylamine n-oxide + 2 fe(ii)-[cytochrome c] + 3 h(+)