Abstract:An ATP-dependent DNase has been purified from Thermus thermophilus HB8 by a procedure involving streptomycin precipitation, DEAE-cellulose chromatography, Sephadex G-200 gel filtration and heparin-agarose affinity chromatography. ATP-dependent DNase activity was separated into two distinct peaks, Peak A and Peak B, by heparin-agarose affinity chromatography. Each peak fraction was further purified by ATP-agarose affinity chromatography. Peak A and Peak B were eluted from an ATP-agarose column at 0.14 M and 0.2… Show more
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