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Biotechnology and applied biochemistry

Single-step purification of superoxide dismutase from bovine erythrocytes by immunosorbent column.


PMID 3533118

Abstract

A simple and rapid procedure for the purification of superoxide dismutase (SOD) from bovine erythrocytes by means of affinity-purified anti-SOD antibodies coupled to Sepharose 4B is reported. The method allowed 80% recovery of electrophoretically pure enzyme directly from hemolyzed red blood cells. The mild elution conditions (3.5 M MgCl2) and the stability of the immunoadsorbent permit the column to be reused several times (greater than 50). The physicochemical properties of the enzyme obtained by this method are identical to those of the native protein.