2 thiosulfate + 2 Fe(III)-[cytochrome c] => tetrathionate + 2 Fe(II)-[cytochrome c] + 2 H(+)
2 thiosulfate + 2 fe(iii)-[cytochrome c] => tetrathionate + 2 fe(ii)-[cytochrome c] + 2 h(+)
2 thiosulfate + 2 Fe(III)-[cytochrome c] => tetrathionate + 2 Fe(II)-[cytochrome c] + 2 H(+)
2 thiosulfate + 2 fe(iii)-[cytochrome c] => tetrathionate + 2 fe(ii)-[cytochrome c] + 2 h(+)