Table 3.

Activity of A1.1 toward different 4MU substrates

4MU substrates	Activity
	nmol/h/μg
β-d-Glucopyranoside, pH 5.2	0
β-d-Glucopyranoside, pH 5.8	8
β-d-Glucopyranoside, pH 7	0
α-d-Galactopyranoside, pH 4.6	905
α-d-Galactopyranoside, pH 6	1645
β-d-Galactopyranoside, pH 4.3	8
α-d-Mannopyranoside, pH 4	3
α-l-Fucopyranoside, pH 5.5	6
N-Acetyl-α-d-galactosaminide, pH 4.6	8
N-Acetyl-β-d-glucosaminide, pH 4.4	2