TABLE 1.

Purification of the A. niger α-glucuronidase

Fraction	Protein (mg)	Total activity (μmol/min)	Sp act (μmol/min/mg of protein)	Purification factor	Yield (%)
Pektinase 146	2,740	380	0.14	1	100
45% (NH4)2SO4	1,899	300	0.16	1.1	79
Phenyl Sepharose	619	195	0.31	2.2	51
Q-Sepharose	88	162	1.83	13.1	42
Superdex 200 PG	57	102	1.80	12.9	27
Mono Q	11	69	6.20	44.3	18
Butyl Sepharose	2.2	54	24.3	175	14.2
Poros 10 HQ	0.42	22	52.3	371	5.8