3EN3

Crystal Structure of the GluR4 Ligand-Binding domain in complex with kainate

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.5	291	25.5% PEG 1500, 0.05M Na-Acetate, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.41	48.98

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 125.906	α = 90
b = 48.749	β = 109.06
c = 47.766	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	298	IMAGE PLATE	MAR scanner 345 mm plate		2006-03-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH3R	1.54

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.43	11.95	95.3			10516	10025		-3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.43	2.49	94.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION		THROUGHOUT	2.43	11.95	10516	10025	502		0.159	0.159	0.156	0.219	RANDOM	43.628

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]
0.02		0.08	-0.21		0.24

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.023
r_dihedral_angle_4_deg	17.547
r_dihedral_angle_3_deg	16.088
r_dihedral_angle_1_deg	5.149
r_scangle_it	1.796
r_angle_refined_deg	1.173
r_scbond_it	1.054
r_mcangle_it	0.697
r_mcbond_it	0.396
r_nbtor_refined	0.296
r_nbd_refined	0.196
r_xyhbond_nbd_refined	0.148
r_symmetry_vdw_refined	0.135
r_chiral_restr	0.077
r_symmetry_hbond_refined	0.044
r_bond_refined_d	0.008
r_gen_planes_refined	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2014
Nucleic Acid Atoms
Solvent Atoms	97
Heterogen Atoms	15

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345dtb	data collection
XDS	data reduction
XDS	data scaling
CNS	phasing