2QS1

Crystal structure of the GluR5 ligand binding core dimer in complex with UBP315 at 1.80 Angstroms resolution

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.9	293	18% PEG 1K, 100 mM Tris-Cl, 2.5 mM UBP315, pH 8.9, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.64	53.44

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 97.823	α = 90
b = 97.816	β = 90
c = 129.043	γ = 90

Symmetry
Space Group	C 2 2 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	MAR scanner 345 mm plate		2006-12-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	OTHER	1.5418

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	1.8	40	99.9	0.04	20.9	3.5	57347	57347	1	1	27.42

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	1.8	1.86	99.8		0.273	4.73	3.4

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-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	pdb entry 2F34	1.8	21.57	54463	54463	2884	99.91	0.19864	0.19864	0.19756	0.21916	RANDOM	34.393

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]

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.37
r_dihedral_angle_4_deg	13.754
r_dihedral_angle_3_deg	13.738
r_dihedral_angle_1_deg	5.261
r_scangle_it	1.9
r_angle_refined_deg	1.331
r_scbond_it	1.294
r_mcangle_it	0.867
r_mcbond_it	0.523
r_nbtor_refined	0.297

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.37
r_dihedral_angle_4_deg	13.754
r_dihedral_angle_3_deg	13.738
r_dihedral_angle_1_deg	5.261
r_scangle_it	1.9
r_angle_refined_deg	1.331
r_scbond_it	1.294
r_mcangle_it	0.867
r_mcbond_it	0.523
r_nbtor_refined	0.297
r_symmetry_vdw_refined	0.203
r_nbd_refined	0.186
r_xyhbond_nbd_refined	0.146
r_symmetry_hbond_refined	0.087
r_chiral_restr	0.079
r_bond_refined_d	0.008
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4014
Nucleic Acid Atoms
Solvent Atoms	366
Heterogen Atoms	86

Software

Software
Software Name	Purpose
REFMAC	refinement
MAR345dtb	data collection
HKL-2000	data reduction
HKL-2000	data scaling

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 R01GM133198.