| Name | Spermidine synthase |
| Description | Catalyzes the production of spermidine from putrescine and decarboxylated S-adenosylmethionine (dcSAM). Has a strong preference for putrescine as substrate, and has very low activity towards 1,3-diaminopropane. Has extremely low activity towards spermidine. |
| UniProt ID | P19623 |
| Gene | SRM |
