antibodies to either human or guinea pig decay accelerating factor ( daf ) , a 70-kda glycosylphosphatidylinositol anchored membrane glycoprotein which controls acp activation on the mammalian cell plasma membrane , bound to the surface of immature schistosomes and immunoprecipitated a molecule of similar molecular mass from detergent extracts of surface iodinated parasites .
C0108793
decay accelerating factor
C0007603
plasma membrane