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Table 1 Comparison of the performance indexes of mutant strains and WT

From: Directed evolution driving the generation of an efficient keratinase variant to facilitate the feather degradation

Enzyme

Keratinase activity (U/mL)

Specific activity (U/mg)

Degradation rate (%)

T1

1231.07 ± 91.97

1189.79 ± 77.24

36.84 ± 0.88

T3

1453.13 ± 13.95

1577.74 ± 76.78

24.52 ± 1.71

T5

1248.92 ± 82.58

1215.74 ± 158.08

34.48 ± 1.77

T8

1285.2 ± 142.63

1050.93 ± 101.98

25.78 ± 1.80

T11

1827.93 ± 165.46

1723.44 ± 200.56

40.42 ± 1.60

T12

1800 ± 137.61

1746.34 ± 92.22

42.04 ± 1.34

T14

1866.33 ± 16.58

1515.63 ± 15.90

37.68 ± 0.96

T18

2381.87 ± 13.01

2529.70 ± 53.83

51.42 ± 0.62

T19

2243.87 ± 41.80

1968.43 ± 122.99

40.2 ± 0.38

WT

1150.6 ± 68.11

1468.42 ± 108.18

33.57 ± 2.13