7WC9

Crystal structure of serotonin 2A receptor in complex with non-hallucinogenic psychedelic analog

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	6A93

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	LIPIDIC CUBIC PHASE		293.15	100 mM Tris-HCl, 40 mM sodium acetate trihydrate, 30% (v/v) PEG400, 2% (v/v) Polypropylene glycol P 400

Crystal Properties
Matthews coefficient	Solvent content
2.91	57.74

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 49.53	α = 90
b = 54.95	β = 90
c = 179.88	γ = 90

Symmetry
Space Group	P 21 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 PILATUS 6M		2021-06-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL45XU	1	SPring-8	BL45XU

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	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	2.5	47.8	100	1	9.9	25.1		21037

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	2.5	2.6	99.9		0.39	0.9	10.7

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	6A93	2.5	47.8	16781	941	99.95	0.2451	0.244	0.2656	RANDOM	72.295

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]
1.9			3.85		-5.75

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.493
r_dihedral_angle_4_deg	15.393
r_dihedral_angle_3_deg	14.307
r_mcangle_it	8.968
r_mcbond_other	6.35
r_mcbond_it	6.349
r_dihedral_angle_1_deg	5.599
r_angle_refined_deg	1.493
r_angle_other_deg	1.39
r_chiral_restr	0.076

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.493
r_dihedral_angle_4_deg	15.393
r_dihedral_angle_3_deg	14.307
r_mcangle_it	8.968
r_mcbond_other	6.35
r_mcbond_it	6.349
r_dihedral_angle_1_deg	5.599
r_angle_refined_deg	1.493
r_angle_other_deg	1.39
r_chiral_restr	0.076
r_bond_refined_d	0.009
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2735
Nucleic Acid Atoms
Solvent Atoms	2
Heterogen Atoms	236

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
XSCALE	data scaling
PHASES	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.