pre-putrebactin + ATP <=> putrebactin + AMP + diphosphate + H(+)
pre-putrebactin + atp <=> putrebactin + amp + diphosphate + h(+)
pre-putrebactin + ATP <=> putrebactin + AMP + diphosphate + H(+)
pre-putrebactin + atp <=> putrebactin + amp + diphosphate + h(+)