7P2L

thermostabilised 7TM domain of human mGlu5 receptor bound to photoswitchable ligand alloswitch-1

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	LIPIDIC CUBIC PHASE		295	0.15-0.25 M ammonium phosphate dibasic, 22-24 % polyethylene glycol 400, either with 0.10 M 2-(N-morpholino)ethanesulfonic acid (MES) pH 6.7-6.8 or 0.1 M HEPES pH 6.8

Crystal Properties
Matthews coefficient	Solvent content
2.72	54.83

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 141.69	α = 90
b = 43.4	β = 99.38
c = 82.12	γ = 90

Symmetry
Space Group	C 1 2 1

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 EIGER X 16M		2020-12-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06SA	1	SLS	X06SA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	Rrim 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	2.54	49.11	100	0.253	0.997	6.35	10.66		16595

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Rrim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.54	2.61	99		2.685	0.51		9.3

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	4oo9	2.54	49.11	15764	830	99.98	0.2298	0.2267	0.2853	RANDOM	69.807

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]
-3.72		-2.45	8.63		-3.88

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.438
r_dihedral_angle_3_deg	15.733
r_dihedral_angle_4_deg	14.162
r_dihedral_angle_1_deg	5.936
r_angle_refined_deg	1.306
r_angle_other_deg	1.115
r_chiral_restr	0.053
r_bond_refined_d	0.004
r_gen_planes_refined	0.004
r_bond_other_d	0.001

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.438
r_dihedral_angle_3_deg	15.733
r_dihedral_angle_4_deg	14.162
r_dihedral_angle_1_deg	5.936
r_angle_refined_deg	1.306
r_angle_other_deg	1.115
r_chiral_restr	0.053
r_bond_refined_d	0.004
r_gen_planes_refined	0.004
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3238
Nucleic Acid Atoms
Solvent Atoms	7
Heterogen Atoms	26

Software

Software
Software Name	Purpose
REFMAC	refinement
XSCALE	data scaling
PDB_EXTRACT	data extraction
XDS	data reduction
PHASER	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 R01GM133198.