The direction shown, i.e. which substrates are on the left and right sides, is in accordance with the Enzyme Commission system. Most BioCyc compounds have.
RecName: Full=Spermine synthase; Short=SPMSY; AltName: Full=Spermidine aminopropyltransferase 366 aa protein 2. RecName.
Polyamine sythesis, addition of a second aminopropyl group to the N-10 position of spermidine. The active site with a bound spermidine molecule contains an.