Reaction: S-adenosylmethioninamine + propane-1,3-diamine = S-methyl-5'-thioadenosine + bis(3-aminopropyl)amine
Systematic name: S-adenosylmethioninamine:propane-1,3-diamine 3-aminopropyltransferase
Comments: This enzyme is not identical with EC 2.5.1.16 (spermidine synthase) or EC 2.5.1.22 (spermine synthase).
Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number:
References:
1. Aleksijevic, A., Grove, J. and Schuber, F. Studies on polyamine biosynthesis in Euglena gracilis. Biochim. Biophys. Acta 565 (1979) 199-207. [PMID: 116684]
2. Villanueva, V.R., Adlakha, R.C. and Calbayrac, R. Biosynthesis of polyamines in Euglena gracilis. Phytochemistry 19 (1980) 787-790.