Spermine Synthase
Synonyms
Aminopropyltransferase, Spermidine
S-Adenosylmethioninamine:spermidine 3-aminopropyltransferase
Spermidine Aminopropyltransferase
Spermine Synthetase
Synthase, Spermine
Synthetase, Spermine
An enzyme that catalyzes the transfer of the propylamine moiety from 5'-deoxy-5'-S-(3-methylthiopropylamine)sulfonium adenosine to spermidine in the biosynthesis of spermine. It has an acidic isoelectric point at pH 5.0. EC 2.5.1.22.