Immunogen sequence: APEEEVTFDF YHKASRLGSS AMNIQMLLEK LKGIPQLEGQ KDMITWILQM FDTVKRLREK SCLIVATTSG SESIKNDE Highest antigen sequence identity to the following orthologs: Mouse - 86%, Rat - 89%. ELK1 is a component of the ternary complex that binds the seru