Immunogen sequence: RSKFVESDAD EELLFNIPFT GNVKLKGIII MGEDDDSHPS EMRLYKNIPQ MSFDDTEREP DQTFSLNRDL TGELEYATKI SRFSNVYHLS IHISKNFGAD TTKVFYIGLR GEWTELRRHE VTICNYEASA NPA Highest antigen sequence identity to the following orthologs: Mouse - 97%, Rat - 76%.