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Fig. 3 | Annals of Microbiology

Fig. 3

From: High-level production of γ-cyclodextrin glycosyltransferase in recombinant Escherichia coli BL21 (DE3): culture medium optimization, enzymatic properties characterization, and product specificity analysis

Fig. 3

Effects of pH and temperature on the activity and stability of purified γ-CGTase. a Optimum pH of γ-CGTase activity. b pH stability of γ-CGTase activity. 0.1 M citrate buffer was used at pH 5-6; 0.1 M NaH2PO4-Na2HPO4 was used at pH 7; 0.05 M Tris-HCl buffer was used at pH 8-9; 0.1 M Na2CO3- NaHCO3 buffer was used at pH 10-11. c Optimum temperature of γ-CGTase activity. d Thermal stability of γ-CGTase activity. The data were presented from three independent experiments

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