1WVJ

Exploring the GluR2 ligand-binding core in complex with the bicyclic AMPA analogue (S)-4-AHCP

X-RAY DIFFRACTION

Crystallization

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

Crystal Properties
Matthews coefficient	Solvent content
2.3	46.1

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 94.412	α = 90
b = 59.467	β = 90
c = 47.845	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		2003-11-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X11	0.811	EMBL/DESY, HAMBURG	X11

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	1.75	20.08	99.1	0.037	26.7	3.5	27472	27472	-3	-3	18.1

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.75	1.78	96.3		0.227	4.1		1333

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	MOLECULAR REPLACEMENT	THROUGHOUT	1M5C	1.75	20.08	27450	26073	1376	99.08	0.17111	0.17111	0.16882	0.21418	RANDOM	20.624

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]
0.27			-1.01		0.73

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.746
r_scangle_it	4.75
r_scbond_it	2.924
r_mcangle_it	1.706
r_angle_refined_deg	1.599
r_mcbond_it	0.993
r_symmetry_vdw_refined	0.24
r_nbd_refined	0.21
r_symmetry_hbond_refined	0.174
r_xyhbond_nbd_refined	0.147

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.746
r_scangle_it	4.75
r_scbond_it	2.924
r_mcangle_it	1.706
r_angle_refined_deg	1.599
r_mcbond_it	0.993
r_symmetry_vdw_refined	0.24
r_nbd_refined	0.21
r_symmetry_hbond_refined	0.174
r_xyhbond_nbd_refined	0.147
r_chiral_restr	0.113
r_bond_refined_d	0.017
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2039
Nucleic Acid Atoms
Solvent Atoms	309
Heterogen Atoms	45

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.