Term Name:	spermine synthase activity
Synonyms:	S-adenosylmethioninamine:spermidine 3-aminopropyltransferase activity, spermidine aminopropyltransferase activity, spermine synthetase activity
Definition:	Catalysis of the reaction: S-adenosylmethioninamine + spermidine = 5'-methylthioadenosine + spermine.
Ontology:	GO: Molecular Function [GO:0016768]    QuickGO    AmiGO