Fungal Laccases and Their Applications in Bioremediation

Table 1

Kinetic constants of laccases at specified pH.

Substrate	𝐾𝑀	𝑘cat	pH	Laccase	Reference
	(M)	(min^−1)
Guaiacol	1200	150	6	Pleurotus  ostreatus POXC	[165]
	3100	n.r*	6	Pleurotus  ostreatus POXA2	[165]
	400	n.r	6	Chaetomium  thermophilum	[174]
	5120	115	3.4	Trametes  trogii POXL3	[148]
	510	n.r	4.5	Gaeumannomyces  graminis	[249]
	36	10800	3	Trametes  pubescens LAP2	[181]
	66	6800	6.5	Pleurotus  sajor-caju Lac4	[185]
ABTS	58	2700	5.3	Trametes  villosa Lcc1	[169]
	52	n.r	5.3	Rhizoctonia  solani Lcc4	[169]
	90	350000	3	Pleurotus  ostreatus POXA1	[165]
	120	n.r	3	Pleurotus  ostreatus POXA2	[165]
	280	57000	3	Pleurotus  ostreatus POXC	[165]
	190	n.r	6	Chaetomium  thermophilum	[174]
	30	198	3.4	Trametes  trogii POXL3	[148]
	32	n.r	3	Panaeolus  sphinctrinus	[83]
	41	n.r	5	Coprinus  friesii	[83]
	23	1090	5.5	Coprinus  cinereus Lcc1	[50]
	14	41400	3	Trametes  pubescens LAP2	[81]
	45	620	5.5	Trichophyton  rubrum	[175]
	55	n.r	4	Pycnoporus  cinnabarinus	[184]
	2500	74000	3.3	Pleurotus  sajor-caju Lac4	[185]
	290	790	6	Myceliophthora  thermophila	[196]
Syringalda-zine	3.9	3000	5.3	Trametes  villosa Lcc1	[169]
	28	n.r	5.3	Rhizoctonia  solani Lcc4	[169]
	20	23000	6	Pleurotus  ostreatus POXC	[165]
	130	28000	6	Pleurotus  ostreatus POXA1	[165]
	140	n.r	6	Pleurotus  ostreatus POXA2	[165]
	34	n.r	6	Chaetomium  thermophilum	[174]
	26	180	5.5	Coprinus  cinereus Lcc1	[50]
	6	16800	4.5	Trametes  pubescens LAP2	[181]
	280	35000	6.5	Pleurotus  sajor-caju Lac4	[185]
	1.6	2100	6	Myceliophthora  thermophila	[196]
2,6-DMP	100	n.r	3.5	Botrytis  cinerea	[251]
	230	430	5	Pleurotus  ostreatus POXC	[165]
	2100	21000	5	Pleurotus  ostreatus POXA1	[165]
	740	n.r	6.5	Pleurotus  ostreatus POXA2	[165]
	410	109	3.4	Trametes  trogii POXL3	[148]
	96	n.r	6	Chaetomium  thermophilum	[174]
	26	n.r	4.5	Gaeumannomyces  graminis	[249]
	72	24000	3	Trametes  pubescens LAP2	[181]
	120	58000	6	Pleurotus  sajor-caju Lac4	[185].

∗n.r: not reported.
ABTS: 2,2′-azinobis-(3-ethylbenzthiazoline-6-sulphonate).
2,6-DMP: 2,6-dimethoxyphenol.