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Catalysis of the reaction: S-adenosylmethioninamine + putrescine = 5'-methylthioadenosine + spermidine. Catalysis of the transfer of an alkyl or aryl (but not methyl) group from one compound (donor) to another (acceptor). Catalysis of the transfer of a group, e.g. a methyl group, glycosyl group, acyl group, phosphorus-containing, or other groups, from one compound (generally regarded as the donor) to another compound (generally regarded as the acceptor). Transferase is the systematic name for any enzyme of EC class 2.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: spermidine synthase activity
Acc: GO:0004766
Aspect: Molecular Function
Desc: Catalysis of the reaction: S-adenosylmethioninamine + putrescine = 5'-methylthioadenosine + spermidine.
Synonyms:
  • aminopropyltransferase activity
  • spermidine synthetase activity
  • S-adenosylmethioninamine:putrescine 3-aminopropyltransferase activity
  • SpeE
  • putrescine aminopropyltransferase activity
Proteins in PDR annotated with:
   This term: 17 [Search]
   Term or descendants: 17 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0004766 - spermidine synthase activity (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle