Skip to main content

Table 3 Effect of metal ions on PhXyl activity

From: Purification and characterization of an extracellular β-xylosidase from Pseudozyma hubeiensis NCIM 3574 (PhXyl), an unexplored yeast

Metal ion Relative activity (%) in presence of metal ionsa
0.1 mM 1 mM 10 mM
Control 100 100 100
HgCl2 86.23 ± 2.3 86.59 ± 2.0 84.70 ± 3.2
NiCl2 89.67 ± 3.0 98.90 ± 2.9 93.31 ± 3.6
MgCl2 92.20 ± 3.2 94.45 ± 2.8 88.47 ± 2.9
MnCl2 90.82 ± 3.0 90.82 ± 3.0 89.52 ± 3.5
CaCl2 89.90 ± 4.1 90.82 ± 2.78 84.91 ± 2.6
ZnCl2 92.88 ± 2.8 92.37 ± 3.1 91.75 ± 4.1
FeSo4 103.72 ± 4.3 121.72 ± 4.8 83.95 ± 3.4
FeCl3 110.32 ± 3.8 101.07 ± 4.1 98.61 ± 4.2
CuSo4 90.36 ± 2.5 90.35 ± 2.9 89.26 ± 2.2
PbCl2 89.22 ± 3.7 100.00 ± 3.5 96.11 ± 3.0
CoSo4 90.59 ± 2.9 96.14 ± 3.0 74.96 ± 2.5
AgNo3 98.85 ± 2.0 96.88 ± 3.7 93.31 ± 4.5
EDTA 100.00 ± 4.1 82.43 ± 2.8 73.09 ± 2.4
  1. aThe values show the average and standard deviation from three independent experiments