Table 1 X-ray data and refinement statistics

   Space group

P3₁21

   Unit cell dimensions (a,b,c in Å)

61.02, 61.02, 63.31

   Resolution range (Å)

30.0 - 2.50 (2.59-2.50)^‡

   Unique reflections

4988 (486)

   Redundancy

7.6 (5.7)

   Completeness (%)

100 (100)

   Average I/σ(I)

10.2 (2.9)

   R_merge*

0.183 (0.552)

Refinement statistics:

   No. atoms (protein/water)

1105/73

   R-factor^†(R_work/R_free)

0.201/0.276

   Rms bond length deviation (Å)

0.006

   Rms bond angle deviation (°)

1.21

Ramachandran plot statistics

   Residues in most favoured region (%)

87.1

   Residues in additional allowed region (%)

12.1

   Residues in generously allowed region (%)

0

   Residues in disallowed region (%)

0.8 (Arg 35)^#