Dark structure of the human adenosine A2A receptor bound to synthetic photoswitch 'StilSwitch2' determined by serial synchrotron crystallography
Serial Crystallography (SX)
Starting Model(s)
| Initial Refinement Model(s) |
|---|
| Type | Source | Accession Code | Details |
|---|
|
experimental model | PDB | 6S0L | |
Crystallization
| Crystalization Experiments |
|---|
| ID | Method | pH | Temperature | Details |
|---|
| 1 | LIPIDIC CUBIC PHASE | 5.85 | 293 | 0.1 M sodium potassium phosphate pH 5.85, 27-30% PEG 500 MME, 0.2 M sodium thiocyanate, 0.4 mM StilSwitch2 |
| Crystal Properties |
|---|
| Matthews coefficient | Solvent content |
|---|
| 2.67 | 53.89 |
Crystal Data
| Unit Cell |
|---|
| Length ( Å ) | Angle ( ˚ ) |
|---|
| a = 40.55 | α = 90 |
| b = 182.54 | β = 90 |
| c = 143.66 | γ = 90 |
| Symmetry |
|---|
| Space Group | C 2 2 21 |
|---|
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 | PSI JUNGFRAU 16M | | 2022-04-24 | M | SINGLE WAVELENGTH |
| Radiation Source |
|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
|---|
| 1 | SYNCHROTRON | SLS BEAMLINE X06SA | 1 | SLS | X06SA |
Serial Crystallography
| Sample delivery method |
|---|
| Diffraction ID | Description | Sample Delivery Method |
|---|
| 1 | | injection |
| Data Reduction |
|---|
| Diffraction ID | Frames Indexed | Crystal Hits | Frames Indexed | Latices Merged |
|---|
| 1 | 76544 | | 76544 | |
| Injection |
|---|
| Diffraction ID | Description | Flow Rate | Injector Diameter | Injection Power | Injector Nozzle | Filter Size | Carrier Solvent |
|---|
| 1 | high viscosity extruder | undefined (µl/min) | undefined (µm) | | | | LCP |
Data Collection
| Overall |
|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | 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 | 2.45 | 142.13 | 100 | 0.993 | 0.0776 | 8.89 | 691.8 | | 20116 | | | |
| Highest Resolution Shell |
|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | CC (Half) | R Split (All) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) |
|---|
| 1 | 2.45 | 2.54 | 100 | | 0.278 | 1.3841 | 0.71 | 109.1 | |
Refinement
| Statistics |
|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B |
|---|
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 2.45 | 45.64 | 1.34 | 20116 | 2000 | 99.49 | 0.1958 | 0.1913 | 0.2408 | |
| 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 | 9.959 |
| f_angle_d | 0.549 |
| f_chiral_restr | 0.036 |
| f_plane_restr | 0.004 |
| f_bond_d | 0.003 |
| Non-Hydrogen Atoms Used in Refinement |
|---|
| Non-Hydrogen Atoms | Number |
|---|
| Protein Atoms | 2902 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 28 |
| Heterogen Atoms | 419 |
Software
| Software |
|---|
| Software Name | Purpose |
|---|
| PHENIX | refinement |
| CrystFEL | data reduction |
| CrystFEL | data scaling |
| PHENIX | phasing |
