Immunogen sequence: QGFTDVTVLE ASSHIGGRVQ SVKLGHATFE LGATWIHGSH GNPIYHLAEA NGLLEETTDG ERSVGRISLY SKNGVACYLT NHGRRIPKDV VEEFSDLYN Highest antigen sequence identity to the following orthologs: Mouse - 94%, Rat - 98%. Polyamines are ubiquitous polycationic