Immunogen sequence: YFEKDVKGES LFHSKKMDLT VNGEQLDLDP GQTLIYYVDE KAPEFSMQGL KAGVIAVIVV VVIAVVAGIV VLVISRKKRM AKYEKAEIKE MGEMHRELNA. Ep-CAM (epithelial adhesion molecule, epithelial specific antigen, ESA) is a transmembrane glycoprotein expressed in the ep