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Fig. 4 | Journal of Genetic Engineering and Biotechnology

Fig. 4

From: Production and characterization of a new detergent-stable keratinase expressed by Pedobacter sp. 3.14.7, a novel Antarctic psychrotolerant keratin-degrading bacterium

Fig. 4

Effect of temperature and pH on the activity of keratinase expressed by Pedobacter sp. 3.14.7; a effect of pH on keratinase activity; b pH stability of keratinase enzyme. The enzyme was pre-incubated at different pH values for 1 h at 37 °C. Then, the residual activity was measured under standard assay conditions; c effect of temperature on keratinase activity; d thermal stability of keratinase enzyme. The enzyme was pre-incubated at different temperatures and then the residual activity was determined under standard assay conditions.; values represent the means ± SD of three replicates

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