Table 1. Data-collection statistics for the oligonucleotide crystal.
Values in parentheses are for the highest resolution shell.
| Data set | Neutron | X-ray |
|---|---|---|
| Beamline | LADI-III | Rotating anode |
| Wavelength (Å) | 3.1–4.2 | 1.54 |
| No. of images | 18 | 89 |
| Oscillation angle (°) | 5 | 1 |
| Exposure time per image (min) | 720 | 1 |
| Space group | P6122 | |
| Unit-cell parameters (Å) | a = b = 33.021, c = 78.817 | |
| Resolution range (Å) | 26.88–2.30 (2.42–2.30) | 26.88–1.92 (2.02–1.92) |
| No. of unique reflections | 1082 (119) | 2218 (265) |
| Completeness (%) | 82.4 (66.6) | 97.7 (84.5) |
| Rmerge† | 0.18 (0.25) | 0.043 (0.383) |
| Multiplicity | 6.2 (2.8) | 8.7 (7.3) |
| Mean I/σ(I) | 11.8 (2.1) | 19.3 (4.1) |
| Wilson B factor (Å2) | 32.1 | 36.0 |
†
R
merge = 
, where Ii(hkl) is the intensity of the ith measurement of reflection hkl and 〈I(hkl)〉 is the mean value of I(hkl) for all i measurements.