Immunogen sequence: VSSSSSGSDS DSEVDKKLKR KKQVAPEKPV KKQKTGETSR ALSSSKQSSS SRDDNMFQIG KMRYVSVRDF KGKVLIDIRE YWMDPEGEMK PGRKGISLNP EQWSQLKEQI Highest antigen sequence identity to the following orthologs: Mouse - 93%, Rat - 93%. PC4 (activated RNA polymera