Table 1. Data collection and refinement statistics (molecular replacement).

	D2-06-N2 5D1Q	D4-30-N2 5D1X	D4-10-N1 5D1Z
Data collection
Space group	P 42 21 2	P 41	P 2 21 21
Cell dimensions
a, b, c (Å)	121.3, 121.3, 193.2	111.3, 111.3, 105.2	115.2, 147.1, 164.9
α, β, γ (°)	90, 90, 90	90, 90, 90	90, 90, 90
Resolution (Å)	47.33–3.22	49.18–3.21	24.96–3.17
Rsym or Rmerge	9.6 (53.6)	11.1 (46.3)	15.6 (56.8)
I/σI	20.4 (3.4)	10.8 (1.97)	7.6 (1.95)
Completeness (%)	98.8	98.9	97.9
Redundancy	6.6 (6.6)	3.3 (3.1)	3.5 (3.4)
Refinement
Resolution (Å)	3.22	3.21	3.17
No. reflections	22,680	19,661	45,212
Rwork/Rfree	21.7/28.1	27.1/30.9	23.7/28.6
No. atoms
Protein	7,583	6,684	15,717
Ligand/ion	—	—	—
Water	—	—	—
B-factors
Protein	93.787	87.022	49.474
Ligand/ion	—	—	—
Water	—	—	—
R.m.s. deviations
Bond lengths (Å)	0.012	0.009	0.012
Bond angles (°)	1.697	1.465	1.539

One crystal used for each structure. *Values in parentheses are for highest-resolution shell.