Table 2 Cryo-EM data collection, refinement and validation statistics
Dataset | OdhA | OdhA-CoASH | OdhA-succinyl-CoA | OdhA-SP | OdhA-OdhI | |
|---|---|---|---|---|---|---|
Data collection and processing | ||||||
Grid type | UltrAuFoil300 mesh R1.2/1.3 | UltrAuFoil300 mesh R1.2/1.3 | UltrAuFoil300 mesh R1.2/1.3 | Lacey 200mesh | Lacey 200mesh | |
Plunge freezer | Vitrobot | Vitrobot | Vitrobot | Vitrobot | Vitrobot | |
Microscope | Krios | Krios | Krios | Krios | Krios | |
Magnification | 105000 | 105000 | 105000 | 105000 | 105000 | |
Voltage (kV) | 300 | 300 | 300 | 300 | 300 | |
Energy filter(eV) | 20 | 20 | 20 | 20 | 20 | |
Camera | K3 | K3 | K3 | K3 | K3 | |
Detector mode | Counted | Counted | Super-resolution | Counted | Counted | |
Electron exposure (e–/Å2) | 40 | 40 | 48 | 40 | 40 | |
Defocus range (μm) | −0.8 to −2.0 | −0.8 to −2.0 | −0.8 to −2.0 | −0.8 to −2.2 | −0.8 to −2.2 | |
Pixel size (Å) | 0.86 | 0.86 | 0.84 | 0.86 | 0.86 | |
Micrographs | 13348 | 12202 | 11827 | 16647 | 19443 | |
No. of fractions | 40 | 40 | 50 | 60 | 40 | |
Symmetry imposed | D3 | D3 | D3 | D3 | D3 | |
Initial particle images (no.) | 6571029 | 3392043 | 3827956 | 2599031 | 3177955 | |
Final particle images (no.) | 1474608 | 1849406 | 1074837 | 646352 | 958690 | |
Map resolution (Å)a | 2.17 | 2.17 | 2.07 | 2.26 | 2.29 | |
FSC threshold | 0.143 | 0.143 | 0.143 | 0.143 | 0.143 | |
Map resolution range (Å) | 1.9–4.4 | 1.9–4.5 | 1.9–4.7 | 2.0–4.6 | 2.0–6.0 | |
Refinement and validation | ||||||
Model-map resolution (Å)b | 2.3 | 2.2 | 2.2 | 2.3 | 2.3 | |
FSC threshold | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | |
Map sharpening B factor (Å2) | −84.4 | −88.5 | −74.2 | −87.3 | −93.3 | |
Model composition | ||||||
No. Atoms (non-H) | 52590 | 52878 | 54248 | 52656 | 55346 | |
Protein residues | 6714 | 6714 | 6726 | 6714 | 7110 | |
Ligands | 18 | 24 | 24 | 18 | 12 | |
Water molecules | – | – | 1280 | – | – | |
Average B factors (Å2) | ||||||
Protein | 45.28 | 43.41 | 67.11 | 45.07 | 47.22 | |
Ligands | 56.18 | 57.52 | 83.72 | 56.28 | 123.89 | |
R.m.s. deviationsb | ||||||
Bond lengths (Å) | 0.010 | 0.010 | 0.006 | 0.008 | 0.013 | |
Bond angles (°) | 1.247 | 1.229 | 1.032 | 1.121 | 1.810 | |
Validationb | ||||||
MolProbity score | 1.00 | 1.02 | 1.08 | 0.88 | 0.90 | |
Clashscore | 1.05 | 1.25 | 1.82 | 0.77 | 0.66 | |
Poor rotamers (%) | 0.42 | 0.31 | 0.53 | 0.11 | 0.21 | |
Ramachandran plotb | ||||||
Favored (%) | 96.82 | 97.02 | 97.26 | 97.24 | 96.87 | |
Allowed (%) | 3.18 | 2.97 | 2.74 | 2.67 | 3.13 | |
Outliers (%) | 0.00 | 0.01 | 0.00 | 0.09 | 0.00 | |
PDB accession code | 8P5T | 8P5U | 8P5V | 8P5W | 8P5X | |
EMDB accession code | EMD-17452 | EMD-17453 | EMD-17454 | EMD-17455 | EMD-17456 | |