it was estimated that the number of sialoglycoprotein alpha ( sgp alpha ) molecules per red cell is of the order of 1 x 10 ( 6 ) and the number of sialoglycoprotein delta ( sgp delta ; synonym glycophorin b ) molecules per red cell is of the order of 1.7-2.5 x 10 ( 5 ) .
C0017955
sialoglycoprotein alpha
C0014792
red cell