Table 2.

K _m, k _cat, and k _cat/K _m values for the purified Mn peroxidase in presence of different chelating agents.

Chelating agents	Mn peroxidase of F. durissimus			Mn peroxidase of P. chrysosporium [21]
	K m (μM)	k cat (s−1)	k cat/K m (M−1 s−1)	K m (μM)	k cat (s−1)	k cat/K m (M−1 s−1)
H2O2	32.0*	14.0*	0.44 × 106∗	39.0	—	6.3 × 106
Oxalate	11.9	8.4	0.71 × 106	13.0	308.0	2.4 × 107
Lactate	59.0	22.4	0.38 × 106	41.0	211.0	5.1 × 106
Malonate	47.0	30.8	0.65 × 106	18.0	220.0	1.2 × 107

*The values for H₂O₂ were in lactate buffer.