Immunogen sequence: HLIILPFKRR LEFLWNNKDT AENRDSPVSE EIKMTCQQFI HYHRDLCIRN IVKERRCGAK TSAGTFCGCD LVSW Highest antigen sequence identity to the following orthologs: Mouse - 89%, Rat - 92%. GPR155, an integral membrane protein related to G-protein coupled