6E7S

Heterodimer of the GluN1b-GluN2B NMDA receptor amino-terminal domains bound to allosteric inhibitor 93-5

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3QEL

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
3.26	62.31

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 268.43	α = 90
b = 60.633	β = 116.42
c = 145.391	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		2017-03-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS-II BEAMLINE 17-ID-2	0.91979	NSLS-II	17-ID-2

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	2.72	29.88	98.6	0.065	0.077	0.041	0.999	14.4	3.5		56030

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	2.72	2.79	93.9		0.958	1.152	0.632	0.598		3.2

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	3QEL	2.72	25	53230	2761	98.14	0.1909	0.1887	0.2343	RANDOM	73.422

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]
-2.47		-1.97	2.88		1.04

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.56
r_dihedral_angle_4_deg	19.999
r_dihedral_angle_3_deg	16.751
r_dihedral_angle_1_deg	8.038
r_angle_other_deg	0.398
r_angle_refined_deg	0.379
r_chiral_restr	0.032
r_gen_planes_refined	0.01
r_bond_refined_d	0.001
r_bond_other_d	0.001

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.56
r_dihedral_angle_4_deg	19.999
r_dihedral_angle_3_deg	16.751
r_dihedral_angle_1_deg	8.038
r_angle_other_deg	0.398
r_angle_refined_deg	0.379
r_chiral_restr	0.032
r_gen_planes_refined	0.01
r_bond_refined_d	0.001
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	10948
Nucleic Acid Atoms
Solvent Atoms	178
Heterogen Atoms	268

Software

Software
Software Name	Purpose
Aimless	data scaling
REFMAC	refinement
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 R01GM157729.