1M5D

X-RAY STRUCTURE OF THE GLUR2 LIGAND BINDING CORE (S1S2J-Y702F) IN COMPLEX WITH Br-HIBO AT 1.73 A RESOLUTION

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1M5C	PDB entry 1M5C (S1S2J:Br-HIBO).

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.5	279	PEG 3350, Li2SO4, phosphate-citrate, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 279K

Crystal Properties
Matthews coefficient	Solvent content
2.28	45.96

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 87.139	α = 90
b = 63.681	β = 90
c = 47.914	γ = 90

Symmetry
Space Group	P 21 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	110	CCD	MARRESEARCH		2001-08-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X13	0.802	EMBL/DESY, HAMBURG	X13

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	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	1.73	20	97.9	0.072	14.3	4.8	27834	27589		-3	20.9

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.73	1.77	97.4		0.393	4		1829

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	Difference Fourier	THROUGHOUT	PDB entry 1M5C (S1S2J:Br-HIBO).	1.73	19.59	27789	27789	1407	97.6	0.186	0.215	Random.	24.2

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]
2.27	0.95	-3.22

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	21.5
c_scangle_it	3.5
c_scbond_it	2.3
c_mcangle_it	1.75
c_angle_deg	1.2
c_mcbond_it	1.16
c_improper_angle_d	0.73
c_bond_d	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2017
Nucleic Acid Atoms
Solvent Atoms	326
Heterogen Atoms	23

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
CNS	refinement
CNS	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.