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Table 3 Effect of various additives on rMtCel6A activity

From: Recombinant cellobiohydrolase of Myceliophthora thermophila: characterization and applicability in cellulose saccharification

Additives

Residual rMtCel6A activity (%)

Additives

Residual rMtCel6A activity (%)

Control

100 ± 1.09

Control

100 ± 1.09

Metal ions

5 mM

Surfactants

0.5%

 Na+

 Ca2+

 Co2+

 K+

 Mg2+

 Mn2+

 Fe2+

 Cu2+

 Zn2+

 NH+

90 ± 1.20

88 ± 0.90

113 ± 1.24

94 ± 1.31

97 ± 0.90

114 ± 1.40

84 ± 1.52

110 ± 0.79

81 ± 0.99

89 ± 2.01

SDS

Tween-80

Triton X-100

CTAB

PEG

86 ± 2.09

67 ± 1.97

91 ± 1.76

78 ± 1.39

80 ± 1.80

Organic solvents

10%

Modulators

5 mM

 Acetone

 Butanol

 Chloroform

 Ethanol

 Ethyl acetate

 Hexane

 Isoamyl-alcohol

 Iso-propanol

 Liquor ammonia

 Methanol

137 ± 1.67

100 ± 1.73

94 ± 1.70

103 ± 0.96

ND

118 ± 1.29

133 ± 1.87

98 ± 1.57

120 ± 1.26

100 ± 1.05

IA

DEPC

DTT

EDAC

EDTA

NBS

PMSF

WRK

50 ± 1.80

70 ± 1.69

60 ± 0.97

40 ± 1.54

62 ± 1.04

45 ± 1.45

75 ± 1.28

25 ± 2.01

  1. ND Not detected