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Table 1 Secondary structure of maltase with and without 0.07, 0.14, and 0.28 g/L of TZQ at different times

From: Altering the inhibitory kinetics and molecular conformation of maltase by Tangzhiqing (TZQ), a natural α-glucosidase inhibitor

Secondary structure

0 min

5 min

45 min

without TZQ

TZQ (0.07 g/L)

TZQ (0.14 g/L)

TZQ (0.28 g/L)

TZQ (0.07 g/L)

TZQ (0.14 g/L)

TZQ (0.28 g/L)

α-helix(%)

27.90

31.30

39.60

32.50

38.90

40.80

47.90

β-sheet(%)

25.10

14.80

10.60

7.20

0.00

5.10

0.00

β-turn(%)

9.20

20.60

16.40

23.30

24.20

20.80

17.40

Random coil(%)

37.80

33.30

33.40

36.90

36.90

33.30

34.70

Total(%)

100.00

100.00

100.00

100.00

100.00

100.00

100.00