7LG3
Human leukocyte antigen A*0201 in complex with SARS-CoV2 epitope KLWAQCVQL
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 5.6 | 290 | 20% PEG4000, 0.1 M sodium acetate, pH 5.6, 20% isopropanol |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.58 | 52.3 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 64.269 | α = 90 |
| b = 78.281 | β = 90 |
| c = 91.405 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 21 21 21 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 210r | SI 111 CRYSTAL | 2020-12-09 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 19-BM | 0.9794 | APS | 19-BM |
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 | 2.3 | 49.67 | 99.3 | 0.196 | 0.218 | 0.093 | 0.982 | 6.3 | 4.7 | 20879 | |||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
| 1 | 2.3 | 2.34 | 98.2 | 0.37 | 1.1 | 3.6 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB entry 3H7B | 2.3 | 45.74 | 20225 | 630 | 98.92 | 0.1919 | 0.1902 | 0.2476 | RANDOM | 37.644 | ||||||
| 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] | |
| 0.01 | -2.04 | 2.03 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 28.546 |
| r_dihedral_angle_4_deg | 19.377 |
| r_dihedral_angle_3_deg | 16.066 |
| r_dihedral_angle_1_deg | 7.746 |
| r_angle_refined_deg | 1.495 |
| r_angle_other_deg | 1.291 |
| r_chiral_restr | 0.066 |
| r_bond_refined_d | 0.008 |
| r_gen_planes_refined | 0.006 |
| r_bond_other_d | 0.001 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 3136 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 180 |
| Heterogen Atoms | 12 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| PDB_EXTRACT | data extraction |
| HKL-3000 | data reduction |
| HKL-3000 | data scaling |
| PHASER | phasing |
