Table 1.

Data collection and refinement statistics.

Data collection
Space group	P212121
Cell dimensions: a, b, c (Å)	42.66, 52.00, 99.78
Resolution (Å)*	50-2.2 (2.24-2.2)
Unique reflections	11575
Rmerge (%)*	6.4 (39.0)
I/σ(I)	53.5 (9.9)
Completeness (%)	97.6 (97.5)
Redundancy	5.8 (6.0)
Temperature (K)	100
Mosaicity (°)	0.66–1.01
Refinement
Resolution (Å)	40-2.2
No. reflections	11365
Rwork/Rfree	0.234/0.262
No. atoms/B-factors (Å2)
Protein	819/43.3
DNA	650/47.6
Water	54/43.6
R.m.s. deviations
Bond lengths (Å)	0.006
Bond angles (°)	1.06
Ramachandran plot
Favored (%)	87.2
Allowed (%)	12.8

^*Values in parentheses are for the last shell.