L-homocysteine + ATP => L-homocysteine thiolactone + AMP + diphosphate
l-homocysteine + atp => l-homocysteine thiolactone + amp + diphosphate
L-homocysteine + ATP => L-homocysteine thiolactone + AMP + diphosphate
l-homocysteine + atp => l-homocysteine thiolactone + amp + diphosphate