Immunogen sequence: DLRTLLRSVL SSFAAALCEE RPGSFTPTEP QTQLDSEGPT LPEPMAEAQS QMDPVAQPQV NPTLQPRSDP TAQPQLNPTA Q Highest antigen sequence identity to the following orthologs: Mouse - 60%, Rat - 60%. G protein-coupled receptors (GPRs or GPCRs), also known as