The purification and properties of l-histidine-2-oxoglutarate aminotransferase from Pseudomonas testosteroni
Abstract:Inducible L-histidine-2-oxoglutarate aminotransferase was purified some 170-fold from extracts of Pseudomonas testosteroni. 2. The preparation showed only one major component after electrophoresis on polyacrylamide gels, though additional minor bands were observed when samples concentrated on a DEAE-cellulose column were used. 3. The molecular weight of the enzyme was found to be approx. 70000 by chromatography on Sephadex G-200. 4. The purification scheme produced enzyme that was-inactive in the absence of py… Show more
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