Mapping neutralizing and immunodominant sites on the SARS-CoV-2 spike receptor-binding domain by structure-guided high-resolution serology
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 6M0J | PDB entry 6M0J |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 295 | 16.2% w/v PEG4000, 0.09 M sodium citrate, pH 6.0, 0.18 M ammonium acetate, 0.02 M potassium acetate, 0.01 MES, pH 6, 1.5% v/v pentaerythritol ethoxylate (15/4 EO/OH) | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.94 | 58.12 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 79.54 | α = 90 |
| b = 127.78 | β = 96.66 |
| c = 192.28 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | C 1 2 1 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 100 | CMOS | RDI CMOS_8M | 2020-08-07 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | ALS BEAMLINE 4.2.2 | 0.97625 | ALS | 4.2.2 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | |||||
| 1 | 2.65 | 47.75 | 99.6 | 0.199 | 0.215 | 0.079 | 0.996 | 8.7 | 7.4 | 55237 | |||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
| 1 | 2.65 | 2.73 | 99.9 | 2.418 | 2.619 | 0.999 | 0.39 | 6.8 | |||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | ||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB entry 6M0J | 2.65 | 47.5 | 52027 | 2586 | 98.46 | 0.2591 | 0.2578 | 0.2562 | 0.2881 | 0.2894 | RANDOM | 66.749 | ||||
| Temperature Factor Modeling | ||||||
|---|---|---|---|---|---|---|
| Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
| 0.69 | 1.38 | -1.91 | 0.88 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 37.603 |
| r_dihedral_angle_4_deg | 22.273 |
| r_dihedral_angle_3_deg | 12.949 |
| r_dihedral_angle_1_deg | 8.101 |
| r_angle_refined_deg | 1.398 |
| r_angle_other_deg | 1.223 |
| r_chiral_restr | 0.06 |
| r_gen_planes_refined | 0.005 |
| r_bond_refined_d | 0.004 |
| r_bond_other_d | 0.001 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 11484 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 25 |
| Heterogen Atoms | 14 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| Aimless | data scaling |
| PHASER | phasing |
| REFMAC | refinement |
| PDB_EXTRACT | data extraction |
| XDS | data reduction |














