spermine + L-glutamate + ATP = gamma-L-glutamylspermine + ADP + phosphate + H(+)
spermine + l-glutamate + atp = gamma-l-glutamylspermine + adp + phosphate + h(+)
spermine + L-glutamate + ATP = gamma-L-glutamylspermine + ADP + phosphate + H(+)
spermine + l-glutamate + atp = gamma-l-glutamylspermine + adp + phosphate + h(+)