Table 2. Data-collection and model refinement statistics.
Data-collection statistics | |
Molecular weight (Da) | 30664 |
Temperature (K) | 100 |
Wavelength (Å) | 1.005 |
Space group | P21 |
Unit-cell parameters (Å, °) | a = 42.1, b = 41.0, c = 72.0, β = 104.4 |
Resolution (Å) | 20.0–1.50 (1.55–1.50) |
No. of unique reflections | 37372 (3689) |
Completeness (%) | 97.0 (96.8) |
Redundancy | 3.0 (2.3) |
I/σ(I) | 28.0 (6.4) |
Rmerge† | 0.09 (0.17) |
Refinement statistics | |
No. of protein atoms/solvent atoms | 2058/222 |
Rcryst/Rfree‡ | 0.195/0.206 |
R.m.s.d. bond lengths (Å) | 0.005 |
R.m.s.d. bond angles (°) | 1.396 |
Average B factors (Å2) | |
Main chain | 10.5 |
Side chain | 12.9 |
Solvent | 23.3 |
Zn atom | 4.9 |
Ramachandran statistics | |
Most favoured (%) | 87.6 |
Additionally and generously allowed (%) | 12.4 |
R merge = , where I is the intensity of a reflection and 〈I〉 is the average intensity.
R cryst = ; R free is calculated from 5.0% of data for cross-validation.