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Table 1 Effect of metal ions and chemical reagents (5 mM) on the activity of purified recombinant Ac-Abf51A

From: A novel bifunctional GH51 exo-α-l-arabinofuranosidase/endo-xylanase from Alicyclobacillus sp. A4 with significant biomass-degrading capacity

Chemicals Relative activity (%)a
None 100.0 ± 1.5
Mg2+ 110.0 ± 1.8
Zn2+ 108.5 ± 1.7
Na+ 108.5 ± 1.7
Li+ 103.0 ± 1.6
Cr3+ 101.9 ± 1.4
Fe3+ 100.7 ± 2.0
Cu2+ 99.2 ± 0.7
Mn2+ 98.0 ± 1.0
Ni2+ 96.3 ± 1.2
Pb2+ 86.7 ± 1.5
Ca2+ 81.7 ± 2.6
K+ 58.1 ± 1.1
Co2+ 25.4 ± 0.5
Ag+ 9.6 ± 1.3
β-Mercaptoethanol 93.2 ± 2.4
EDTA 92.1 ± 2.1
SDS 47.5 ± 0.6
  1. aValues represent the mean ± SD (n = 3) relative to the untreated control samples