Crystal structure of stabilized A2A adenosine receptor A2AR-StaR2-bRIL in complex with compound 7, a novel nanomolar A2A receptor antagonist from modern hit-finding with structure-guided de novo design
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 5IU4 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | LIPIDIC CUBIC PHASE | 293 | 0.l M tri-sodium citrate pH 5.3-5.4, 0.05 M sodium thiocyanate, 29-32% PEG400, 2% (v/v) 2,5-hexanediol and 0.5 mM theophylline. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.58 | 52.29 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 39.349 | α = 90 |
b = 179.535 | β = 90 |
c = 140.115 | γ = 90 |
Symmetry | |
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Space Group | C 2 2 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | PIXEL | DECTRIS EIGER X 9M | 2024-01-25 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | DIAMOND BEAMLINE I24 | 0.6199 | Diamond | I24 |
Data Collection
Overall | |||||||||||||||||||
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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 | 1.75 | 44.884 | 90 | 0.4061 | 0.4133 | 0.0764 | 0.994 | 11.13 | 29.18 | 43855 |
Highest Resolution Shell | |||||||||||||||||||
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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) | ||||||||
1.75 | 1.837 | 38.5 | 5.7918 | 5.8847 | 1.0375 | 0.54 | 1.41 | 32.25 | 1883 |
Refinement
Statistics | |||||||||||||||||||
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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 | 1.75 | 25.2 | 43834 | 2200 | 86.3 | 0.2071 | 0.2061 | 0.2007 | 0.226 | 0.2221 | RANDOM | 31.79 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
0.5228 | 4.0558 | -4.5786 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
t_other_torsion | 15.63 |
t_omega_torsion | 3.02 |
t_angle_deg | 0.8 |
t_bond_d | 0.008 |
t_dihedral_angle_d | |
t_gen_planes | |
t_it | |
t_chiral_improper_torsion | |
t_ideal_dist_contact |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2968 |
Nucleic Acid Atoms | |
Solvent Atoms | 116 |
Heterogen Atoms | 386 |
Software
Software | |
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Software Name | Purpose |
BUSTER | refinement |
autoPROC | data processing |
autoPROC | data processing |
autoPROC | data reduction |
Aimless | data scaling |
PHASER | phasing |