Group deposition for crystallographic fragment screening of Coxsackievirus A16 (G-10) 2A protease -- Crystal structure of Coxsackievirus A16 (G-10) 2A protease in complex with Z53825020 (A71EV2A-x0875)
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 6.05 | 293.15 | 0.1 M MES, pH 6.05, 16 % PEG 20,000 |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.17 | 43.38 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 72.729 | α = 90 |
| b = 60.911 | β = 93.07 |
| c = 32.396 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | C 1 2 1 |
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 16M | 2023-12-03 | SINGLE WAVELENGTH | |||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | DIAMOND BEAMLINE I03 | 0.94054 | Diamond | I03 |
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 | 1.79 | 46.65 | 99.5 | 0.321 | 0.347 | 0.13 | 0.988 | 5.2 | 7 | 13305 | |||||||||
| 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 | 1.79 | 1.83 | 98.1 | 2.714 | 2.949 | 1.138 | 0.265 | 6.6 | |||||||||||
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 | 1.79 | 46.67 | 12644 | 608 | 98.96 | 0.22113 | 0.22006 | 0.26 | 0.24569 | 0.29 | RANDOM | 29.489 | |||||
| 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] | |
| 0.78 | -0.26 | 0.52 | -1.26 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 32.759 |
| r_dihedral_angle_4_deg | 20.728 |
| r_dihedral_angle_3_deg | 17.278 |
| r_dihedral_angle_1_deg | 7.338 |
| r_long_range_B_refined | 6.63 |
| r_long_range_B_other | 6.555 |
| r_mcangle_it | 3.428 |
| r_mcangle_other | 3.428 |
| r_scangle_other | 2.863 |
| r_mcbond_other | 1.857 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1065 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 55 |
| Heterogen Atoms | 33 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| REFMAC5 | refinement |
| Aimless | data scaling |
| PHASER | phasing |
| XDS | data reduction |
