Immunogen sequence: WPFGFDPNTRE DLPYHYYDKK GTKFTTKWQE SHQLPAEFQL LYRMHGEGLT KLTLSHCA Highest antigen sequence identity to the following orthologs - mouse 100%, rat 100%. ST8SIA3 belongs to a family of sialyltransferases that form sialyl-alpha-2,8-sialyl-