Table 1. Data-collection statistics.
Values in parentheses are for the highest shell.
| Bc-TubZΔ (free form) | Bc-TubZΔ (GDP-bound form) | |
|---|---|---|
| Beamline | BL17A, PF | NW12A, PF |
| Space group | P21 | P21 |
| Unit-cell parameters (Å, °) | a = 53.19, b = 65.54, c = 58.18, β = 106.19 | a = 67.05, b = 84.49, c = 67.66, β = 92.92 |
| Resolution range (Å) | 50–1.7 | 50–2.1 |
| Wavelength (Å) | 0.9800 | 1.0000 |
| No. of unique reflections | 42723 | 44458 |
| Completeness (%) | 99.9 (99.6) | 99.9 (99.9) |
| Multiplicity | 3.6 (3.5) | 5.5 (4.9) |
| 〈I/σ(I)〉 | 22.4 (1.8) | 28.7 (4.2) |
| R merge † | 0.052 (0.628) | 0.054 (0.378) |
| Molecules in asymmetric unit | 1 | 2 |
†
R
merge = 
, where I
i(hkl) is the intensity measurement and 〈I(hkl)〉 is the mean intensity for multiply recorded reflections.