7R4Q
The SARS-CoV-2 spike in complex with the 1.29 neutralizing nanobody
ELECTRON MICROSCOPY
Refinement
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 10.679 |
f_angle_d | 3.238 |
f_chiral_restr | 0.427 |
f_plane_restr | 0.025 |
f_bond_d | 0.022 |
Sample |
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The trimeric SARS-CooV-2 spike in complex with the 1.29 neutralizing nanobody |
Sample Components |
SARS-CoV-2 spike |
Nanobody 1.29 |
Specimen Preparation | |
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Sample Aggregation State | PARTICLE |
Vitrification Instrument | |
Cryogen Name | ETHANE |
Sample Vitrification Details |
3D Reconstruction | |
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Reconstruction Method | SINGLE PARTICLE |
Number of Particles | 40000 |
Reported Resolution (Å) | 3.6 |
Resolution Method | FSC 0.143 CUT-OFF |
Other Details | |
Refinement Type | |
Symmetry Type | POINT |
Map-Model Fitting and Refinement | |||||
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Id | 1 (6ZXN, 6ZXN, 6ZXN, 3TPK, 3TPK) | ||||
Refinement Space | REAL | ||||
Refinement Protocol | OTHER | ||||
Refinement Target | correlation coefficient | ||||
Overall B Value | 140 | ||||
Fitting Procedure | |||||
Details | Rigid body refinement. Real space refinement including 5 macro cycles of:Minimization_global, local_grid search and adp. Refinement at 4.0A of resolut ... |
Data Acquisition | |||||||||
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Detector Type | FEI FALCON III (4k x 4k) | ||||||||
Electron Dose (electrons/Å**2) | 30 |
Imaging Experiment | 1 |
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Date of Experiment | |
Temperature (Kelvin) | |
Microscope Model | FEI TALOS ARCTICA |
Minimum Defocus (nm) | 1000 |
Maximum Defocus (nm) | 4000 |
Minimum Tilt Angle (degrees) | |
Maximum Tilt Angle (degrees) | |
Nominal CS | |
Imaging Mode | DARK FIELD |
Specimen Holder Model | |
Nominal Magnification | |
Calibrated Magnification | |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 200 |
Imaging Details |
EM Software | ||
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Task | Software Package | Version |
MODEL FITTING | UCSF Chimera | 1.15 |
MODEL FITTING | Coot | 0.8.9.1 |
MODEL REFINEMENT | PHENIX | 1.17.1_3660 |
Image Processing | ||||
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CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
PHASE FLIPPING AND AMPLITUDE CORRECTION |