The nature and abundance of human red cell surface glycoproteins

Available evidence suggests that there are at least 30 different proteins at the red cell surface. These proteins vary in abundance from a few hundred copies/cell to more than a million copies/cell. Recently, a new Glycophorin gene (Glycophorin E) has been identified and sequenced. In this paper evidence is presented that a monoclonal anti-M detects the product of the Glycophorin E gene in normal red cells.