Immunogen sequence: SSSESNRDRR ERLRQLALET IDINKDPYFM KNHLGSYECK LCLTLHNNEG SYLAHTQGKK HQTNLARRAA KEAKEAPAQP APEKVKVE Highest antigen sequence identity to the following orthologs: Mouse - 100%, Rat - 100%. This gene encodes subunit 2 of the splicing facto