Crystal structure of spike protein receptor binding domain of escape mutant SARS-CoV-2 from immunocompromised patient (d146*) in complex with human receptor ACE2
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 6M0J | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 8.5 | 293 | 20% (v/v) PEG550 MME, 10% (w/v) PEG 20000, 20mM 1,6-Hexanediol, 20mM 1-Butanol, 20mM 1,2-Propanediol, 20mM 2-Propanol, 20mM 1,4-Butanediol, 20mM 1,3-Propanediol, and 0.1M Tris (base) BICINE pH 8.5 |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.45 | 49.7 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 85.709 | α = 90 |
| b = 104.015 | β = 90 |
| c = 223.911 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 21 21 21 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 80 | PIXEL | DECTRIS EIGER X 16M | 2021-02-22 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 24-ID-C | 0.979180 | APS | 24-ID-C |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim 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 | 3.06 | 200 | 98.9 | 0.246 | 0.294 | 0.985 | 5.29 | 3.37 | 71067 | 87.93 | |||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
| 1 | 3.06 | 3.25 | 96.2 | 2.286 | 2.745 | 0.196 | 0.84 | ||||||||||||
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 | 6M0J | 3.08 | 111.96 | 37515 | 1846 | 99.1 | 0.2372 | 0.2347 | 0.23 | 0.286 | 0.28 | RANDOM | 97.77 | ||||
| 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] | |
| -12.1316 | 4.8771 | 7.2544 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| t_other_torsion | 20.57 |
| t_omega_torsion | 2.76 |
| t_angle_deg | 1 |
| t_bond_d | 0.008 |
| t_dihedral_angle_d | |
| t_gen_planes | |
| t_it | |
| t_chiral_improper_torsion | |
| t_sum_occupancies | |
| t_ideal_dist_contact | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 12822 |
| Nucleic Acid Atoms | |
| Solvent Atoms | |
| Heterogen Atoms | 866 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| BUSTER | refinement |
| O | model building |
| XDS | data reduction |
| XDS | data scaling |
| PHASER | phasing |














