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Purification of Cel6A-(His)6 from culture supernatant. 1, Supernatant of Streptomyces lividans/pZRJ362; 2, Purified Cel6A-(His)6; 3, The pass-through fraction from the (His)6-tag affinity column; 4, Supernatant of S. lividans/pZRJ362-cel6A-(His)6; M, molecular weight marker.
