N(8)-citryl-spermidine + AMP + diphosphate + H(+) => spermidine + citrate + ATP
n(8)-citryl-spermidine + amp + diphosphate + h(+) => spermidine + citrate + atp
N(8)-citryl-spermidine + AMP + diphosphate + H(+) => spermidine + citrate + ATP
n(8)-citryl-spermidine + amp + diphosphate + h(+) => spermidine + citrate + atp