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. 2015 Jul 30;5:12631. doi: 10.1038/srep12631

Table 2. Effect of metal ions and chemical reagents on the activity of the recombinant enzymes.

Chemicals	Relative activity (%)
Chemicals	xyn10A	xyn11A	xyn10B	xyn11B
Control	100.0± 0.4	100.0 ± 3.7	100.0 ± 1.6	100.0 ± 0.6
Ca²⁺	96.1 ± 0.8	118.9 ± 1.7	97.6 ± 0.7	100.1 ± 3.4
Cd²⁺	18.5 ± 1.0	116.2 ± 2.4	95.6 ± 0.7	78.9 ± 4.2
Cr³⁺	77.7 ± 2.8	110.9 ± 3.1	79.7 ± 0.8	79.4 ± 0.4
Co²⁺	73.6 ± 2.2	124.9 ± 2.5	37.2 ± 0.3	81.7 ± 1.6
Cu²⁺	3.6 ± 0.4	2.3 ± 0.16	3.9 ± 1.2	41.6 ± 2.6
Ba²⁺	95.7 ± 0.1	120.8 ± 2.6	105.1 ± 6.0	100.1 ± 2.4
Mg²⁺	93.9 ± 0.5	127.6 ± 2.0	94.4 ± 4.4	101.8 ± 2.7
Mn²⁺	91.6 ± 1.4	108.8 ± 2.8	98.3 ± 3.0	100.1 ± 2.7
Ni²⁺	77.1 ± 2.0	116.1 ± 2.5	93.9 ± 1.1	79.1 ± 3.1
Li⁺	85.1 ± 0.7	119.4 ± 2.3	93.7 ± 3.2	89.6 ± 3.9
Fe²⁺	88.4 ± 1.5	115.5 ± 3.1	146.4 ± 3.1	101.3 ± 2.5
Fe³⁺	0.8 ± 0.02	22.8 ± 1.0	8.7 ± 0.2	33.0 ± 0.5
Hg²⁺	6.3 ± 0.7	24.4 ± 2.5	0.0 ± 0.0	1.4 ± 0.4
1 mM β-Mercaptoethanol	99.2 ± 0.9	41.7 ± 0.1	98.5 ± 2.0	101.0 ± 5.3
1 mM EDTA	99.2 ± 1.0	7.0 ± 0.04	87.2 ± 1.5	79.7 ± 1.8
1 mM DTT	101.6 ± 1.4	100.2 ± 1.2	100.0 ± 1.3	98.3 ± 2.6
0.1% Triton	99.7 ± 1.6	100.0 ± 1.1	89.2 ± 1.0	88.8 ± 2.9
0.1% Tween-20	99.2 ± 1.6	100.8 ± 1.2	92.2 ± 2.0	104.6 ± 7.6
0.1% SDS	72.3 ± 9.1	23.9 ± 1.8	73.2 ± 4.8	3.5 ± 0.3