Table 1.

Data collection and refinement statistics for the telomeric RNA quadruplex crystal structure

Data collection
Sequence	r(UBrAGGGUUAGGGU)
Space group	P3121
Unit cell dimensions:
a, b, c (Å)	57.58, 57.58, 38.38
α, β, γ (°)	90.00, 90.00, 120.00
Resolution (Å)	49.87–2.20
Rint (%) overall	5.0 (24.0)
I/σ	43.38 (4.54)
Completeness (%)	99.6 (97.3)
Redundancy	6.3 (6.0)
Refinement
Resolution (Å)	11.69–2.20
Reflections	3899
Rwork/Rfree (%)	21.6/23.1
No. of atoms	520
Ions	2
Water	45
Overall B-factor (Å2)	24.26
RMS deviations
Bond-lengths (Å)	0.013
Bond-angles (°)	0.859
PDB ID	3IBK

Values in brackets refer to the highest resolution shell, 2.28–2.20 Å.