Table 1.

Crystallographic Data Collection and Refinement Statistics.

	GCN4p1 dimer	GCN4p1 trimer
space group unit cell	C2	C2
a, b, c (Å)	83.4, 30.5, 27.8	61.2, 34.4, 78.1
α, β, γ (°)	90, 104.5, 90	90, 139.7, 90
data collection
resolution (Å)	40.4–2.0 (2.07–2.00)	50.5–2.2 (2.28–2.20)
Rmerge (%)	5.8 (25.3)	9.4 (22.1)
I / σ(I)	15.5 (2.2)	9.7 (3.2)
completeness (%)	99.8 (100.0)	99.5 (100.0)
redundancy	3.8 (2.4)	2.7 (2.8)
refinement
resolution (Å)	40.4–2.00	50.54–2.20
no. reflections	4432	5198
Rwork / Rfree (%)	23.5 / 26.5	22.6 / 28.7
no. atoms	567	903
avg. B factor (Å2)	23.9	24.7
rmsd
bond lengths (Å)	0.016	0.010
bond angles (°)	1.8	1.4