Dark structure of the human adenosine A2A receptor bound to synthetic photoswitch "StilSwitch3" 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 StilSwitch3 | 
| Crystal Properties | 
|---|
| Matthews coefficient | Solvent content | 
|---|
| 2.69 | 54.22 | 
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 | 
| Injection | 
|---|
| Diffraction ID | Description | Flow Rate | Injector Diameter | Injection Power | Injector Nozzle | Filter Size | Carrier Solvent | 
|---|
| 1 |  | 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 | 2.65 | 142.13 | 100 | 0.96 | 0.0949 | 7.55 | 638.8 |  | 15996 |  |  |  | 
| 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 | 2.65 | 2.75 | 100 |  | 0.145 | 1.5381 | 0.63 | 220.8 |  | 
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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | Mean Isotropic B | 
|---|
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 2.65 | 45.64 | 1.34 | 15996 | 1600 | 99.59 | 0.1957 | 0.1916 | 0.1958 | 0.2326 | 0.233 |  | 
| 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 | 18.168 | 
| f_angle_d | 1.2 | 
| f_chiral_restr | 0.075 | 
| f_plane_restr | 0.008 | 
| f_bond_d | 0.006 | 
| Non-Hydrogen Atoms Used in Refinement | 
|---|
| Non-Hydrogen Atoms | Number | 
|---|
| Protein Atoms | 3218 | 
| Nucleic Acid Atoms |  | 
| Solvent Atoms | 51 | 
| Heterogen Atoms | 59 | 
Software
| Software | 
|---|
| Software Name | Purpose | 
|---|
| PHENIX | refinement | 
| CrystFEL | data reduction | 
| CrystFEL | data scaling | 
| PHENIX | phasing |