2 Fe(II)-[cytochrome c2] + dimethyl sulfoxide + 2 H(+) => 2 Fe(III)-[cytochrome c2] + dimethyl sulfide + H2O
2 fe(ii)-[cytochrome c2] + dimethyl sulfoxide + 2 h(+) => 2 fe(iii)-[cytochrome c2] + dimethyl sulfide + h2o