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Antigens, CD59

Small Glycoproteins found on both hematopoietic and non-hematopoietic Cells. CD59 restricts the cytolytic activity of homologous Complement by binding to C8 and C9 and blocking the assembly of the Membrane Attack Complex. (From Barclay et al., The Leukocyte Antigen FactsBook, 1993, p234)