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Table 2 Effect of metal ions and chemical reagents on the activity of TsPOx

From: Biochemical and mutational analyses of a Trametes pyranose oxidase and comparison of its mutants in breadmaking

Chemicals Relative activity (%)a Chemicals Relative activity (%)
5 mM 10 mM 5 mM 10 mM
Control 100 100 Cu2+ 104.9 ± 0.6 101.7 ± 0.8
Ni2+ 119.5 ± 2.3 125.4 ± 1.7 Zn2+ 103.5 ± 1.2 123.2 ± 1.6
Mg2+ 113.0 ± 2.3 120.6 ± 1.6 Cr3+ 100.0 ± 0.6 61.6 ± 0.8
Mn2+ 113.0 ± 1.3 123.3 ± 1.1 Ag+ 94.9 ± 1.2 51.4 ± 1.3
K+ 110.3 ± 2.2 127.6 ± 1.3 Al3+ 93.0 ± 0.6 73.0 ± 1.1
Na+ 108.1 ± 2.3 125.4 ± 1.7 Fe2+ 11.6 ± 0.3 8.4 ± 0.3
Ca2+ 106.5 ± 0.6 120.0 ± 0.8 EDTA 85.3 ± 0.7 63.8 ± 2.4
Co2+ 106.5 ± 2.3 122.2 ± 0.6 SDS 0 0
  1. aValues represent mean ± SD (n = 3) relative to the untreated control samples