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
"thiosulfate reductase (cytochrome)"
"thiosulfate reductase (cytochrome)"