O-acetyl-L-homoserine + hydrogen sulfide <=> L-homocysteine + acetate
o-acetyl-l-homoserine + hydrogen sulfide <=> l-homocysteine + acetate
O-acetyl-L-homoserine + hydrogen sulfide <=> L-homocysteine + acetate
o-acetyl-l-homoserine + hydrogen sulfide <=> l-homocysteine + acetate