3UA8

Crystal Structure Analysis of a 6-Amino Quinazolinedione Sulfonamide bound to human GluR2

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3R7X	PDB ENTRY 3R7X

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	HANGING DROP	7.5	277	20% w/v 2-propanol, 10% w/v PEG4000, 100 mM HEPES, pH 7.5, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.25	45.42

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 51.181	α = 90
b = 104.548	β = 90
c = 49.441	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	100	CCD	MARMOSAIC 225 mm CCD		2004-11-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA	0.800	SLS	X10SA

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	1.9	20	98.8	0.062	16.8	10.9		21361

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	1.9	1.97	99.5		0.141		4.1	2106

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 3R7X	1.9	20	21296	1094	98.78	0.1854	0.1838	0.2154	RANDOM	20.6273

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]
-0.15			0.25		-0.1

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.603
r_dihedral_angle_4_deg	15.378
r_dihedral_angle_3_deg	13.411
r_dihedral_angle_1_deg	5.543
r_scangle_it	3.224
r_scbond_it	1.905
r_angle_refined_deg	1.181
r_mcangle_it	1.146
r_angle_other_deg	0.811
r_mcbond_it	0.59

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.603
r_dihedral_angle_4_deg	15.378
r_dihedral_angle_3_deg	13.411
r_dihedral_angle_1_deg	5.543
r_scangle_it	3.224
r_scbond_it	1.905
r_angle_refined_deg	1.181
r_mcangle_it	1.146
r_angle_other_deg	0.811
r_mcbond_it	0.59
r_mcbond_other	0.122
r_chiral_restr	0.067
r_bond_refined_d	0.009
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	2016
Nucleic Acid Atoms
Solvent Atoms	244
Heterogen Atoms	30

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
RemDAq	data collection

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.