both glycophorins bind to wheat germ lectin and share a common protein antigenic determinant recognised by a monoclonal antibody ( gp 29.4 ) , but they differ significantly in their carbohydrate components : whilst both glycophorins contain mainly o-linked sugars , glycophorin ma contains in addition at least one n-linked carbohydrate residue and terminal sialic acid residues .
C0023206
lectin
C0033684
protein