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Table 3 Effect of metal ions on PcβGlu1 and PcβGlu2 activities

From: Penicillium citrinum UFV1 β-glucosidases: purification, characterization, and application for biomass saccharification

 

Residual activity (%)

PcβGlu1

PcβGlu2

Control

100 ± 5

100 ± 2

NaCl

106 ± 6

101 ± 3

NaNO3

101 ± 5

100 ± 10

KCl

110 ± 2

90 ± 10

CuSO4

29.6 ± 0.4

1.68 ± 0.03

BaCl2

13.2 ± 0.2

0.8 ± 0.2

MgCl2

110 ± 10

63 ± 3

CaCl2

88 ± 1

86 ± 5

ZnCl2

91 ± 2

22 ± 3

HgCl

56 ± 3

0.55 ± 0.01

Pb(NO3)2

1.2 ± 0.1

3 ± 1

NH4Cl

108.4 ± 0.2

100 ± 20

MnCl2

72 ± 2

60 ± 10

CoCl2

78 ± 1

72 ± 9

FeCl3

0.32 ± 0.05

0.54 ± 0.05

  1. Enzymes were incubated at 40 °C for 30 min in the presence of ions and residual activity was measured with MUβGlu as a substrate
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Biotechnology for Biofuels and Bioproducts

ISSN: 2731-3654

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