Decay Accelerating Factor (DAF/CD55) Purification Protocol

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Decay Accelerating Factor (DAF/CD55) Purification Protocol

CD55 has recently been defined as a ligand for an early activation marker on leukocytes (CD97). CD55 (decay accelerating factor; DAF) is also a GPI-anchored protein that is expressed on the surface of virtually all cells. It functions by dissociating the C3 convertases (C4bC2a and C3bBb) and consequently the C5 convertases into their parts, after which they are no longer able to reassociate.

Flow chart of decay accelerating factor (DAF/CD55) purification protocol. Fig.1 Flow chart of decay accelerating factor (DAF/CD55) purification protocol. (Creative Biolabs)

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