6E7U

Heterodimer of the GluN1b-GluN2B NMDA receptor amino-terminal domains bound to allosteric inhibitor 93-31

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	290	3.0-3.5 M sodium formate, 0.1 M HEPES, 35 mM sodium chloride, 7 mM Tris-HCl, 50 uM Ifenprodil

Crystal Properties
Matthews coefficient	Solvent content
3.21	61.72

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 268.62	α = 90
b = 59.595	β = 117.1
c = 145.914	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		2016-11-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-B	1.0332	APS	23-ID-B

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	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	2.262	35	98.6	0.068	0.081	0.042	8.8	3.4		92724

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	2.27	2.32	97.3		1.091	1.315	0.723	0.472		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	3QEL	2.27	25	74940	3926	82.03	0.2041	0.2024	0.2367	RANDOM	39.604

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]
-0.21		0.56	-0.66		0.2

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.99
r_dihedral_angle_4_deg	22.294
r_dihedral_angle_3_deg	15.718
r_dihedral_angle_1_deg	8.451
r_angle_other_deg	0.412
r_angle_refined_deg	0.345
r_chiral_restr	0.034
r_gen_planes_refined	0.02
r_bond_refined_d	0.005
r_gen_planes_other	0.004

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.99
r_dihedral_angle_4_deg	22.294
r_dihedral_angle_3_deg	15.718
r_dihedral_angle_1_deg	8.451
r_angle_other_deg	0.412
r_angle_refined_deg	0.345
r_chiral_restr	0.034
r_gen_planes_refined	0.02
r_bond_refined_d	0.005
r_gen_planes_other	0.004
r_bond_other_d

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	10977
Nucleic Acid Atoms
Solvent Atoms	333
Heterogen Atoms	221

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data scaling
PDB_EXTRACT	data extraction
DENZO	data reduction
PHASER	phasing

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.