Table 1. Crystallographic data collection and structure solution.

Data collection
Resolution range (Å)	20.0-1.45 (1.49-1.45)
Space group	P21
Unit cell dimensions
a, b, c (Å)	65.3, 81.3, 71.2
α, β, γ (°)	90.0, 111.3, 90.0
Completeness (%)	98.9 (98.7)
Rsym (%)	6.5 (57.5)
Redundancy	4.0 (3.6)
<I/σ(I)>	8.9 (2.7)
Refinement
Resolution range (Å)	10.0-1.45
Rcryst (%)	18.4
Rfree (%)	21.6
Rmsd bond lengths (Å)	0.020
Rmsd bond angles (°)	1.8
Rmsd B factors of bonded atoms (main chain, side chain) (Å2)	2.5, 4.8
Ramachandran plot (%)
Preferred	97.8
Allowed	2.2
Outliers	0.0