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AMB Express
Fig. 4 | AMB Express

Fig. 4

From: Recombinant expression and biochemical characterization of a novel keratinase BsKER71 from feather degrading bacterium Bacillus subtilis S1-4

Fig. 4

Effects of pH, temperature and thermal stability on hydrolysis of casein and keratin by BsKER71. a Effects of pH (4.0–14.0) on the enzymatic activity for BsKER71 with two kinds of substrate (left: casein; right: keratin); b effect of temperature on the enzymatic activity for BsKER71 with two kinds of substrate (left: casein; right: keratin); c the thermal stability of BsKER71 at different temperature with two kinds of substrate (left: casein; right: keratin)

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