Table 2.

Refinement statistics (AJ/IRF3/DNA)

Resolution (Å)	3.0
Rfree (test set size/count)	0.297 (5.8%/1178)
Rworka	0.252
No. of protein atoms	4028
No. of nucleic acid atoms	1265
No. of solvent molecules	9
No. of metal atoms	0
R.m.s.d. bonds (Å)	0.009
R.m.s.d. angles (deg)	1.5
R.m.s.d. dihedral (deg)	20.5
R.m.s.d. improper (deg)	1.82
〈B〉 (Å2) (chain A (IRF-3A), B (IRF-3B), C (DNA), D (DNA), E (c-Jun), H (ATF-2), solvent)	67.3, 97.6, 75.4, 74.3, 121.2, 106.8, 28.6
Ramachandran plot (%) (favorable, additional, generous, disallowed)	83.7/14.3/2.0/0
aRwork and Rfree=∑∣Fo∣−∣Fc∣/∑∣Fo∣, where Fo and Fc are the observed and calculated structure factor amplitudes. Rfree was calculated with 10% of the reflections not used in refinement.