Immunogen sequence: REEHAFCANL GPVQSSSSSE GLARAQGLSS EASVESNEDS DHACKSSARK QAKSYMKTKN PDSQWPPRTA TDREGFLAES SPQTQRAPYS GPQD Highest antigen sequence identity to the following orthologs: Mouse - 63%, Rat - 63%. May be involved in vasopressin signaling in