Immunogen sequence: SISYSCSAVPH QGRGFSQYGV SGSPTKSKVT SCPGCRKPLP RCALCLINMG TPVSSCPGGT KSDEKVDLSK DKKLAQFNNW FTWCHNCRHG GHAGHMLSWF RDHAECPVSA CTCKCMQLD Highest antigen sequence identity to the following orthologs - mouse 98%, rat 98%. As a component of t