CEA cell adhesion molecule 4 MGPPSAAPRG GHRPWQGLLI TASLLTFWHP PTTVQFTIEA LPSSAAEGKD VLLLACNISE TIQAYYWHKG KTAEGSPLIA GYITDIQANI PGAAYSGRET VYPNGSLLFQ NITLEDAGSY TLRTINASYD SDQATGQLHV HQNNVPGLPV GAVAGIVTGV LVGVALVAAL VCFLLLSRTG SIQRDLREQP PPASTPGHGP SHRSTFSAPL PSPRTATPIY EVSVGHGCSG PAGSRGPRIC PHQHLAELRF RKMQ