9H37 | pdb_00009h37

Crystal structure of stabilized A2A adenosine receptor A2AR-StaR2-bRIL in complex with compound 9, a novel nanomolar A2A receptor antagonist from modern hit-finding with structure-guided de novo design

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	5IU4

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	LIPIDIC CUBIC PHASE		293	0.1 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
Matthews coefficient	Solvent content
2.57	52.1

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 39.46	α = 90
b = 178.853	β = 90
c = 139.696	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	100	PIXEL	DECTRIS EIGER2 XE CdTe 9M		2024-01-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I24	0.6199	Diamond	I24

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	1.715	44.713	90.7	0.3278	0.3335	0.0604	0.987	13.97	30.1		47571

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)
	1.715	1.776	29.9		7.3364	7.4533	1.3073	0.48	1.39	32.12	1319

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-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.715	25.11	47547	2311	88.7	0.2021	0.2012	0.2203	0.2073	RANDOM	32.74

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]
0.7011			3.443		-4.1441

RMS Deviations
Key	Refinement Restraint Deviation
t_other_torsion	15.33
t_omega_torsion	2.99
t_angle_deg	0.82
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
Non-Hydrogen Atoms	Number
Protein Atoms	2977
Nucleic Acid Atoms
Solvent Atoms	129
Heterogen Atoms	379

Software

Software
Software Name	Purpose
BUSTER	refinement
autoPROC	data processing
autoPROC	data processing
autoPROC	data reduction
Aimless	data scaling
PHASER	phasing