Novel xylanases from Simplicillium obclavatum MTCC 9604: comparative analysis of production, purification and characterization of enzyme from submerged and solid state fermentation

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Table 2 Effect of metal ions and other compounds on xylanase of S. obclavatum from SSF

Agents	Relative activity of Xylanase at 3 mM	Relative activity of Xylanase at 6 mM
Control	100	100
DTT	371	472
Mg⁺⁺	Negligible	32.58
Hg⁺⁺	Negligible	Negligible
SDS	110	152
TRITON X100	54	63
TRYPTOPHAN	354	353
L-CYSTEINE	250	202
Zn⁺⁺	148	151
EDTA	79	64
BME	437	442
NaCl	160	120
Ni	Negligible	34
Cu⁺⁺	Negligible	Negligible

The activity is expressed as a percentage of the activity level in the absence of chemicals (control).