Group deposition for crystallographic fragment screening of Chikungunya virus nsP3 macrodomain -- Crystal structure of Chikungunya virus nsP3 macrodomain in complex with Z228586974 (CHIKV_MacB-x0585)
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 6VUQ | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 7.8 | 293.15 | 0.1 M Potassium thiocyanate, 0.1 M Sodium bromide, 0.1 M Tris, pH 7.8, 25 % PEG Smear Broad |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.62 | 53.1 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 87.086 | α = 90 |
| b = 87.086 | β = 90 |
| c = 85.375 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | P 31 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 100 | PIXEL | DECTRIS EIGER2 XE 9M | 2023-10-07 | SINGLE WAVELENGTH | |||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | DIAMOND BEAMLINE I04-1 | 0.92124 | Diamond | I04-1 |
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 | 1.39 | 56.52 | 100 | 0.054 | 0.057 | 0.018 | 1 | 17.4 | 9.5 | 145776 | |||||||||
| 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 | 1.39 | 1.41 | 99.6 | 2.619 | 2.853 | 1.121 | 0.351 | 6.3 | |||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | 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 | 1.39 | 56.59 | 137760 | 7193 | 99.42 | 0.18922 | 0.18772 | 0.22 | 0.21826 | 0.24 | RANDOM | 31.186 | |||||
| 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] | |
| 0.37 | 0.18 | 0.37 | -1.19 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 33.543 |
| r_dihedral_angle_4_deg | 18.763 |
| r_dihedral_angle_3_deg | 15.439 |
| r_long_range_B_refined | 6.885 |
| r_long_range_B_other | 6.781 |
| r_dihedral_angle_1_deg | 6.262 |
| r_scangle_other | 3.878 |
| r_mcangle_it | 2.826 |
| r_mcangle_other | 2.825 |
| r_scbond_it | 2.33 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 4962 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 555 |
| Heterogen Atoms | 130 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| REFMAC5 | refinement |
| Aimless | data scaling |
| PHASER | phasing |
| XDS | data reduction |














