Immunogen sequence: QPKGNPVAAP TGDDLQSKTN KFILNQEPLE EAETLAVSSG CPATSVSEGI GLRESFQQKS RQKDQCENPI QVRVKKEETN FSHRTGKDSE VSGSNSLDLK HVTYLRVSGR KESLKHGCGK HFRMSSHHYD YKKYGK Highest antigen sequence identity to the following orthologs: Mouse - 50%, Rat - 47%