Immunogen sequence: KENIFTTPKY ASPGAPRMYM FHAGFRSQFA LKFLDPSFVP ITNSLTQELQ EKPSKWKF Highest antigen sequence identity to the following orthologs: Mouse - 95%, Rat - 97%. ST8SIA3 belongs to a family of sialyltransferases that form sialyl-alpha-2,8-sialyl-