Immunogen sequence: KGKLKPTQNA SEKLQAPGKG LTSNKSKDDL VVAEVEINDV PLTCRNLLTR GQTQDEISRL SGAAVSTRGR FMTTEEKAKV GPGDRPLYLH VQGQTRELVD RAVNRIKEII TNGVVKAATG TSPTFNGATV TVYHQPAP Highest antigen sequence identity to the following orthologs: Mouse - 98%, Rat - 9