Group deposition for crystallographic fragment screening of Chikungunya virus nsP3 macrodomain -- Crystal structure of Chikungunya virus nsP3 macrodomain in complex with Z33546479 (CHIKV_MacB-x1371)
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 | 
| 2.65 | 53.56 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 87.363 | α = 90 | 
| b = 87.363 | β = 90 | 
| c = 85.677 | 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 | 2023-11-13 | 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 | 1.49 | 75.65 | 100 | 0.087 | 0.091 | 0.028 | 0.999 | 13.3 | 10.2 | 119457 | |||||||||
| 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 | 1.49 | 1.52 | 99.5 | 2.51 | 2.689 | 0.959 | 0.406 | 7.8 | |||||||||||
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 | 1.49 | 75.66 | 113295 | 5984 | 99.84 | 0.18756 | 0.18591 | 0.21 | 0.21939 | 0.24 | RANDOM | 29.838 | |||||
| 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] | |
| 0.28 | 0.14 | 0.28 | -0.9 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation | 
| r_dihedral_angle_2_deg | 32.789 | 
| r_dihedral_angle_4_deg | 20.734 | 
| r_dihedral_angle_3_deg | 15.411 | 
| r_long_range_B_refined | 7.243 | 
| r_long_range_B_other | 7.138 | 
| r_dihedral_angle_1_deg | 6.229 | 
| r_scangle_other | 4.4 | 
| r_mcangle_other | 2.76 | 
| r_mcangle_it | 2.759 | 
| r_scbond_it | 2.745 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 4962 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 598 | 
| Heterogen Atoms | 127 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| REFMAC | refinement | 
| REFMAC5 | refinement | 
| Aimless | data scaling | 
| PHASER | phasing | 
| XDS | data reduction | 














