Immunogen sequence: DATEAEEDFVD PWTVQTSSAK GIDYDKLIVR FGSSKIDKEL INRIERATGQ RPHHFLRRGI FFSHRDMNQV LDAYENKKPF YLYTGRGPSS EAMHVGHLIP FIFTKWLQDV FNVPLVIQMT DDEKYLWKDL TLDQAYSYAV ENA Highest antigen sequence identity to the following orthologs - mouse 92%, r