Term Name: spermidine synthase activity
Synonyms: aminopropyltransferase activity, putrescine aminopropyltransferase activity, S-adenosylmethioninamine:putrescine 3-aminopropyltransferase activity, SpeE, spermidine synthetase activity
Definition: Catalysis of the reaction: S-adenosylmethioninamine + putrescine = 5'-methylthioadenosine + spermidine.
Ontology: GO: Molecular Function [GO:0004766]    QuickGO    AmiGO

Relationships
is a type of: transferase activity, transferring alkyl or aryl (other than methyl) groups