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Table 4 Influence of metal ions and EDTA on the xylanolytic of LrXynA

From: Taxonomic identification of the thermotolerant and fast-growing fungus Lichtheimia ramosa H71D and biochemical characterization of the thermophilic xylanase LrXynA

Metal ions and EDTA Relative xylanase activity (%)
1 mM 5 mM
Control 100 100
Ca2+ 95.2 ± 2.6 170.5 ± 9.7
Cu2+ 96.7 ± 8.2 72.9 ± 2.4
Fe2+ 157.7 ± 0.8 298.3 ± 4.2
Hg2+ 7.5 7.9 ± 6.0
Li+ 98.4 ± 6.2 121.8 ± 4.4
Mg2+ 119.4 ± 0.5 123.1 ± 11
Mn2+ 137.3 ± 4.6 217.7 ± 4.1
Na+ 105.9 ± 5.15 119.6 ± 6.3
Ni2+ 103.7 ± 7.9 122.5 ± 13
Zn2+ 132.2 ± 2.5 143.1 ± 11.4
EDTA 97.3 ± 4.9 84.6 ± 9.9