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. 2019 Apr 11;18:69. doi: 10.1186/s12934-019-1119-8

Fig. 5.

Fig. 5

Effect of temperature and pH on the α-amylase activities of AmyS and AmySA. a Effect of temperature. b Effect of pH. c Thermal stability of AmyS and AmySA at 90 °C, pH 6.0, and 1 mM Ca2+. Filled triangle, AmyS; filled circle, AmySA. Error bars indicate the standard deviation from the mean of the three experimental data replicates