Table 1. Cryo-EM data collection and structure refinement statistics.
Cryo-EM structure of the StOAD βγ sub-complex (PDB 6IWW) | |
---|---|
Data collection and procession | |
Magnification (nominal) | 105,000 |
Voltage (kV) | 300 |
Electron exposure (e-/Å2) | 50 (32 frames) |
Defocus range (μm) | 1.0–3.5 |
Pixel size (Å) | 0.68 |
Symmetry imposed | C3 |
Initial particle images (no.) | 260,982 |
Final particle images (no.) | 75,699 |
Map resolution (Å) | 3.88 |
FSC threshold | 0.143 |
Refinement | |
Initial model used | EMBUILDER generated model |
Model resolution (Å) | 3.88 |
FSC threshold | 0.143 |
Map sharpening B factor (Å2) | −250 |
Model composition | |
Non-hydrogen atoms | 10,227 |
Protein residues | 1386 |
Ligands | 3 |
B-factors (Å2) | |
Protein | 41.7 |
Ligand | 23.9 |
R.m.s deviations | |
Bond lengths (Å) | 0.008 |
Bond angles (°) | 1.016 |
Validation | |
Molprobity score | 1.61 |
Clashscore | 5.83 |
Poor rotamers (%) | 0 |
Ramachandran plot | |
Favored | 95.78 |
Allowed (%) | 4.22 |
Disallowed (%) | 0 |