Immunogen sequence: ISEEGKPQLV GRFQVTSSKE PAEPLPLQPT SPTLSGSPKP STPQLTSESS DTEDSAGGGP ETREALAESD RAAEGLGAGV EEEGDDGKEP QVGGSPQPLS HPSPVWMNYS YSSLCLSSEE SESSGEDEEF WAEL Highest antigen sequence identity to the following orthologs: Mouse - 85%, Rat - 87%.