Neutron crystal structure of SARS-CoV-2 NSP3 macrodomain at 293 K (P43 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 | 9.5 | 293 | 100 mM CHES pH 9.5, 34% PEG 3000 |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.21 | 44.44 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 89.328 | α = 90 |
| b = 89.328 | β = 90 |
| c = 40.349 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 43 |
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 | 2021-03-29 | M | SINGLE WAVELENGTH | |||||
| 2 | 1 | neutron | 293 | AREA DETECTOR | ORNL ANGER CAMERA | COLLIMATORS | 2021-03-15 | 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 | 1.6 | 28.39 | 99.6 | 0.087 | 0.038 | 0.996 | 15.6 | 5.9 | 42240 | ||||||||||
| 2 | 1.89 | 14.12 | 94 | 0.217 | 0.101 | 0.926 | 7.2 | 4.4 | 24142 | ||||||||||
| 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 | 1.6 | 1.63 | 0.265 | 0.874 | 4.6 | 2.8 | |||||||||||||
| 2 | 1.89 | 1.96 | 0.2524 | 0.411 | 2.7 | 3.1 | |||||||||||||
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 | 1.6 | 23.14 | 42212 | 2042 | 99.63 | 0.1239 | 0.124 | 0.1576 | 0.1575 | RANDOM | 22.64 | |||||||
| NEUTRON DIFFRACTION | MOLECULAR REPLACEMENT | 1.89 | 14.12 | 24141 | 1173 | 94.01 | 0.2258 | 0.275 | RANDOM | 22.64 | |||||||||
| 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 | 20.8052 |
| f_dihedral_angle_d | 20.8052 |
| f_angle_d | 1.474 |
| f_angle_d | 1.474 |
| f_chiral_restr | 0.0809 |
| f_chiral_restr | 0.0809 |
| f_bond_d | 0.0119 |
| f_bond_d | 0.0119 |
| f_plane_restr | 0.0092 |
| f_plane_restr | 0.0092 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2535 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 322 |
| Heterogen Atoms | 13 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| PHENIX | refinement |
| Mantid | data reduction |
| LAUENORM | data scaling |
| PHASER | phasing |
| Coot | model building |














