Purification, Characterization and anticancer activity of L-methionine γ-lyase from thermo-tolerant Aspergillus fumigatus

Table 2 Effect of different metal ions and chemical reagents on A. fumigatus L-methioninase

Metal ions (Chloride salt, 10 mM)	Relative activity (%)	Chemical reagents (1 mM)	Relative activity (%)
Na⁺¹	100 ± 1.5	Sodium Azide	42 ± 1
K⁺¹	100 ± 0.88	8-Hydroxyquinoline	91.3 ± 1.5
Mg⁺²	100 ± 1	EDTA	100 ± 1.1
Mn⁺²	55.5 ± 1.7	SDS	52 ± 1
Zn⁺²	93 ± 2.1	DTT	86 ± 0.88
Ca⁺²	92.8 ± 1.1	β- mercabtoethanol	62.5 ± 1.3
Ba⁺²	98 ± 1.5	Ethanol	97.3 ± 0.81
Li⁺²	52.7 ± 1.3	Methanol	100.7 ± 1.5
Cu⁺²	49.2 ± 1	n-Butanol	86 ± 1
Co⁺²	100 ± 1.6
Cd⁺²	70 ± 2.9
Cr⁺³	88 ± 0.84
Ni⁺²	84.9 ± 1.6
Fe⁺³	78.9 ± 1.4
Hg⁺²	29.8 ± 1.7

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