L-cysteine <=> 2-aminoprop-2-enoate + hydrogen sulfide + H(+)
l-cysteine <=> 2-aminoprop-2-enoate + hydrogen sulfide + h(+)
L-cysteine <=> 2-aminoprop-2-enoate + hydrogen sulfide + H(+)
l-cysteine <=> 2-aminoprop-2-enoate + hydrogen sulfide + h(+)