Immunogen sequence: RRSQDLHCGA CRALVDELEW EIAQVDPKKT IQMGSFRINP DGSQSVVEVP YARSEAHLTE LLEEICDRMK EYGEQIDPST HRKNYVRVVG RNGESSELDL QGIRIDSD Highest antigen sequence identity to the following orthologs: Mouse - 97%, Rat - 98%. CNPY2 is positive regulator o