Immunogen sequence: CVLGAGPAGL QMAYFLQRAG RDYAVFERAP RPGSFFTRYP RHRKLISINK RYTGKANAEF NLRHDWNSLL SHDPRLLFRH YSRAYFPDAR DMVRYLGDFA DTLGLRVQYN TTIAHVTLDK DRQAWNGHYF ILTDQKG Highest antigen sequence identity to the following orthologs: Mouse - 87%, Rat - 87