2 Fe(II)-[cytochrome c3] + thiosulfate => 2 Fe(III)-[cytochrome c3] + hydrogen sulfide + sulfite
2 fe(ii)-[cytochrome c3] + thiosulfate => 2 fe(iii)-[cytochrome c3] + hydrogen sulfide + sulfite
2 Fe(II)-[cytochrome c3] + thiosulfate => 2 Fe(III)-[cytochrome c3] + hydrogen sulfide + sulfite
2 fe(ii)-[cytochrome c3] + thiosulfate => 2 fe(iii)-[cytochrome c3] + hydrogen sulfide + sulfite