7LZ0

Structure of glutamate receptor-like channel GLR3.4 ligand-binding domain in complex with glutamate

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	4.6	277	2 M ammonium sulfate, 0.1 M sodium acetate, pH 4.6

Crystal Properties
Matthews coefficient	Solvent content
2.49	50.69

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 74.337	α = 90
b = 74.337	β = 90
c = 513.56	γ = 120

Symmetry
Space Group	P 65 2 2

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-F		2019-11-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-C	0.97910	APS	24-ID-C

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	2.29	64.46	99.7	0.123	0.13	0.042	0.998	12.9	9.3		39519

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	2.29	2.37	97		0.809	0.856	0.275	0.805		9.2

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	PDB entry 6VEA	2.29	64.46	37406	1962	99.62	0.2112	0.2095	0.2426	RANDOM	36.822

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]
-0.61	-0.31		-0.61		1.99

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.378
r_dihedral_angle_3_deg	14.413
r_dihedral_angle_4_deg	12.657
r_dihedral_angle_1_deg	6.687
r_angle_refined_deg	1.251
r_angle_other_deg	1.145
r_chiral_restr	0.052
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	31.378
r_dihedral_angle_3_deg	14.413
r_dihedral_angle_4_deg	12.657
r_dihedral_angle_1_deg	6.687
r_angle_refined_deg	1.251
r_angle_other_deg	1.145
r_chiral_restr	0.052
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	5877
Nucleic Acid Atoms
Solvent Atoms	98
Heterogen Atoms	53

Software

Software
Software Name	Purpose
XDS	data reduction
Aimless	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction

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.