Immunogen sequence: RIDLSNNLIS SIDNDAFRLL HALQDLILPE NQLEALPVLP SGIEFLDVRL NRLQSSGIQP AAFRAMEKLQ FLYLSDNLLD SIP Highest antigen sequence identity to the following orthologs: Mouse - 84%, Rat - 86%. Opticin, also known as OPTC or OPT, is a 332 amino acid