Data collection and processing
|
|
Microscope |
FEI Titan Krios |
Camera |
Gatan K3 Summit |
Magnification |
105,000x |
Voltage (kV) |
300 |
Electron exposure (e−/Å2) |
65 |
Defocus (μm) |
−0.5 to −1.2 |
Pixel size (Å) |
0.833 |
Symmetry imposed |
helical |
Micrographs (no.) |
12,237 |
Initial particle images (no.) |
623,000 |
Symmetry expanded particle images (no.) |
4,248,873 |
Final particle images (no.) |
139,018 |
96,152 |
Map resolution (Å) |
4.8 |
6.8 |
FSC threshold |
0.143 |
0.143 |
Map resolution range (Å) |
3.7 to >10.0 |
5.6 to >10.0 |
|
|
|
Refinement
|
|
|
Initial model used (PDB code) |
de novo - G domain (6JTG) |
de novo - G domain (6JTG) |
Model resolution (Å) |
4.7 |
7.8 |
FSC threshold |
0.143 |
0.143 |
Map sharpening B factor (Å2) |
−198.51 |
−200.00 |
Model composition |
|
|
Non hydrogen atoms |
193,290 |
198,307 |
Protein residues |
23,732 |
23,732 |
Lipids |
|
91 |
B factors (Å2) - min |
|
|
Protein |
97.85 |
202.86 |
Ligands |
|
390.35 |
R.m.s. deviations |
|
|
Bond lengths (Å) |
0.001 |
0.006 |
Bond angles (Å) |
0.309 |
0.570 |
Validation
|
|
|
MolProbity score |
1.19 |
1.17 |
Clashscore |
4.06 |
3.82 |
Poor rotamers (%) |
0.0 |
0.0 |
Ramachandran plot |
|
|
Favored (%) |
99.57 |
98.60 |
Allowed (%) |
0.43 |
1.40 |
Disallowed (%) |
0.0 |
0.0 |