Immunogen sequence: KSKSDRIVNE TLYENTKLLS ATGESEKQFQ EAIIVFQEEF KCCGLVNGAA DWGNNFQHYP ELCACLDKQR PCQSYNGKQV YKETCISFIK D. TSPAN8 (tetraspanin 8), also known as TM4SF3 or CO-029, is a 237 amino acid multi-pass membrane protein that belongs to the tetraspa