preferred_name: O-phospho-L-serine + hydrogen sulfide + H(+) <=> L-cysteine + phosphate
preferred_name_lc: o-phospho-l-serine + hydrogen sulfide + h(+) <=> l-cysteine + phosphate
label: O-phospho-L-serine + hydrogen sulfide + H(+) <=> L-cysteine + phosphate
label_lc: o-phospho-l-serine + hydrogen sulfide + h(+) <=> l-cysteine + phosphate