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Table 1 Specific activity of CGTases and their mutants

From: Engineering of cyclodextrin glycosyltransferase improves the conversion efficiency of rebaudioside A to glucosylated steviol glycosides and increases the content of short-chain glycosylated steviol glycoside

CGTase

activity (units/mg)

hydrolysis

CGTase-13

4.8 ± 0.4

CGTase-13-G255A

2.2 ± 0.0

CGTase-15

2.8 ± 0.1

CGTase-15-G265A

2.2 ± 0.2