preferred_name: sulfur + 2 Fe(II)-[cytochrome c] + H(+) => hydrogen sulfide + 2 Fe(III)-[cytochrome c]
preferred_name_lc: sulfur + 2 fe(ii)-[cytochrome c] + h(+) => hydrogen sulfide + 2 fe(iii)-[cytochrome c]
label: sulfur + 2 Fe(II)-[cytochrome c] + H(+) => hydrogen sulfide + 2 Fe(III)-[cytochrome c]
label_lc: sulfur + 2 fe(ii)-[cytochrome c] + h(+) => hydrogen sulfide + 2 fe(iii)-[cytochrome c]