Table 1. Data-collection statistics for β-mannosidase crystals.

Values in parentheses are for the highest-resolution shell.

	Native	I3C derivative
Space group	P1	P1
Unit-cell parameters (Å, °)	a = 62.37, b = 69.73, c = 69.90, α = 108.20, β = 101.51, γ = 103.20	a = 61.82, b = 65.23, c = 68.72, α = 108.63, β = 101.06, γ = 103.06
Wavelength (Å)	0.9180	1.5419
Resolution (Å)	40.91–2.41 (2.54–2.41)	40.28–2.44 (2.58–2.44)
R merge †	0.188 (0.804)	0.125 (0.605)
〈I/σ(I)〉	7.8 (2.2)	7.4 (2.0)
Completeness (%)	97.7 (91.8)	90.7 (88.5)
Multiplicity	3.9 (3.8)	3.9 (3.8)
No. of reflections	154978 (20449)	124224 (17536)
No. of unique reflections	39352 (5358)	31919 (4545)
Matthews coefficient (Å3 Da−1)	2.56	2.34
Molecules in assymetric unit	1	1

^† R _merge = .