L-homocarnosine + ADP + phosphate + H(+) => 4-aminobutanoate + L-histidine + ATP
l-homocarnosine + adp + phosphate + h(+) => 4-aminobutanoate + l-histidine + atp
L-homocarnosine + ADP + phosphate + H(+) => 4-aminobutanoate + L-histidine + ATP
l-homocarnosine + adp + phosphate + h(+) => 4-aminobutanoate + l-histidine + atp