Immunogen sequence: GSPEEELPLP AFEKLNPYPT PSPPHPLYPG RRVIEFSEDK VRIPRNSPLP NCTYATRQAI SLSLVEEGSE RARPSPVPST PASAQASPHH QPSPAPLTLS AP Highest antigen sequence identity to the following orthologs: Mouse - 88%, Rat - 83%. This gene encodes a tight junction-