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What is Action of Papain on an IgG molecule produces? and explain in detail?
1 Fc fragment & 2 Fab fragments REF: Jawetz, Melnick, & Adelberg's Medical Microbiology, 24TH edition Chapter 44 If an antibody molecule is treated with a proteolytic enzyme (eg, Papain), peptide bonds in the hinge region are broken. This breakage produces two identical Fab fragments, which carry the antigen-binding sites, and one Fc fragment, which is involved in placental transfer, complement fixation, attachment for various cells, and other biologic activities.