2 L-homocysteine <=> L-homolanthionine + hydrogen sulfide + H(+)
2 l-homocysteine <=> l-homolanthionine + hydrogen sulfide + h(+)
2 L-homocysteine <=> L-homolanthionine + hydrogen sulfide + H(+)
2 l-homocysteine <=> l-homolanthionine + hydrogen sulfide + h(+)