preferred_name: O-acetyl-L-serine + hydrogen sulfide = L-cysteine + acetate
preferred_name_lc: o-acetyl-l-serine + hydrogen sulfide = l-cysteine + acetate
label: "O(3)-acetyl-L-serine acetate-lyase (adding hydrogen-sulfide)"
label_lc: "o(3)-acetyl-l-serine acetate-lyase (adding hydrogen-sulfide)"