Anti-spermidine synthase antibodies are used for the immunodetection of the protein encoded by the SRM gene. In humans, the canonical protein has a reported length of 302 amino acid residues and a mass of 33.8 kDa. A member of the Spermidine/spermine synthase protein family, it is known to catalyze the production of spermidine from putrescine and decarboxylated S-adenosylmethionine (dcSAM). Other names for this target antigen include SPDSY, SPS1, SRML1, putrescine aminopropyltransferase, spermidine synthase-1, and PAPT. Gene orthologs have been identified in the mouse, rat, bovine, frog, zebrafish, chimpanzee and chicken species. A number of spermidine synthase antibodies have been mentioned in research publications and have associated citations. Western Blot is a widely used application for these antibodies. In addition, ELISA is also a common application.