Immunogen sequence: IMTSSFLSSS EIHNTGLTIL HGEKSHVLGS QPILAKEGKD HLDLLDMKKM EKPQGTSNNV SDSSVSLAAG VHCDRPSIPA SFPEHPAFLS KKIGQVEEQI DKETKNPNGV SSREAKTALD ADDRFTLLTA QKPPTEY Highest antigen sequence identity to the following orthologs: Mouse - 53%, Rat - 47