2 Fe(II)-[cytochrome c] + pyruvate + 2 H(+) => (S)-lactate + 2 Fe(III)-[cytochrome c]
2 fe(ii)-[cytochrome c] + pyruvate + 2 h(+) => (s)-lactate + 2 fe(iii)-[cytochrome c]
2 Fe(II)-[cytochrome c] + pyruvate + 2 H(+) => (S)-lactate + 2 Fe(III)-[cytochrome c]
2 fe(ii)-[cytochrome c] + pyruvate + 2 h(+) => (s)-lactate + 2 fe(iii)-[cytochrome c]