Neutron crystal structure of SARS-CoV-2 NSP3 macrodomain at 293 K (P21 crystal form)
X-RAY DIFFRACTION - NEUTRON DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 7KQO | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 289 | 100 mM MES pH 6.5, 28% PEG 4000 |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.14 | 42.39 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 37.681 | α = 90 |
| b = 33.817 | β = 98.3 |
| c = 61.697 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 1 21 1 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 293 | PIXEL | DECTRIS EIGER R 4M | OSMIC VARIMAX | 2021-04-20 | M | SINGLE WAVELENGTH | |||||
| 2 | 1 | neutron | 293 | AREA DETECTOR | ORNL ANGER CAMERA | COLLIMATORS | 2021-04-20 | L | LAUE | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | ROTATING ANODE | RIGAKU MICROMAX-007 HF | 1.54 | ||
| 2 | SPALLATION SOURCE | ORNL Spallation Neutron Source BEAMLINE MANDI | 2.00-4.00 | ORNL Spallation Neutron Source | MANDI |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | R Split (All) | 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 | 1.9 | 61.05 | 96.6 | 0.097 | 0.045 | 0.989 | 15.2 | 5.9 | 11968 | ||||||||||
| 2 | 2.35 | 13.72 | 86.7 | 0.182 | 0.08 | 0.914 | 16.9 | 5.2 | 5663 | ||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | R Merge I (Observed) | R-Sym I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | R Split (All) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||
| 1 | 1.9 | 1.97 | 0.452 | 0.823 | 3.2 | 6.1 | |||||||||||||
| 2 | 2.35 | 2.43 | 0.364 | 0.556 | 5.3 | 4.2 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Cut-off Sigma (I) | Cut-off Sigma (F) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | 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 | 1.9 | 25.49 | 11960 | 607 | 96.63 | 0.1662 | 0.1667 | 0.224 | 0.2259 | RANDOM | 26.88 | |||||||
| NEUTRON DIFFRACTION | MOLECULAR REPLACEMENT | 2.35 | 12.75 | 5660 | 290 | 86.44 | 0.1768 | 0.2595 | RANDOM | 26.88 | |||||||||
| 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] | |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| f_dihedral_angle_d | 20.7608 |
| f_dihedral_angle_d | 20.7608 |
| f_angle_d | 1.2016 |
| f_angle_d | 1.2016 |
| f_chiral_restr | 0.0622 |
| f_chiral_restr | 0.0622 |
| f_bond_d | 0.0086 |
| f_bond_d | 0.0086 |
| f_plane_restr | 0.0054 |
| f_plane_restr | 0.0054 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1263 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 110 |
| Heterogen Atoms | |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| PHENIX | refinement |
| Mantid | data reduction |
| LAUENORM | data scaling |
| PHASER | phasing |
| Coot | model building |














