Immunogen sequence: EDLSQLTRSM VKFPGGTPGR WEKIAHELGR SVTDVTTKAK QLKDSVTCSP GMVRLSELKS TVQNSRPIKT ATTLPDDMIT QREDAEGVAA EEEQEGDSGE QETGATDARP RRRKPARLLE ATAKPEPEEK SRAKRQKDFD IAEQNESS Highest antigen sequence identity to the following orthologs: Mouse - 7