Table 4 Data collection and refinement statistics

Resolution range (Å)^a

46.6–1.86 (1.89–1.86)

46.6–2.0 (2.03–2.00)

Cell dimensions

 a, b, c (Å)

78.5, 79.3, 91.9

78.6, 79.4, 92.0

 α, β, γ (°)

115.5, 90.0, 117.1

115.5, 90.0, 117.1

 Number of unique reflections

135,735 (5669)

111,563 (5325)

 Completeness (%)

93.6 (79.1)

95.3 (92.1)

 Overall I/σ (I)

7.1 (1.9)

5.3 (2.0)

 R_merge (%)

6.7 (31.8)

6.8 (24.4)

 R/R_free (%)

13.9/17.6

15.4/18.5

R.m.s. deviations from ideal values

 Bond lengths (Å)

0.009

0.010

 Bond angles (°)

1.55

1.55

Protein residues

 Ca²⁺ ions

4 × 2

4 × 2

 Water molecules

1907

1745

 Xylose molecules

22

18

 Sulfate ions

7

6

 PDB accession ID

6T8E

6T8F