Immunogen sequence: SSQANKLIKE ELQSQVELLN SFEKKYSDPG PVYDCLVWHD GEVWRACIDS NEDGDLSKST VLRNYKEAQE YGSFGTAEML NYSVNIYDDG NLLSIVTSGG AHGTHVASIA AGHFPEEPER NGVAPGAQIL SIKIGDTRLS T Highest antigen sequence identity to the following orthologs: Mouse - 96%, Rat