2RC7

Crystal structure of the NR3A ligand binding core complex with glycine at 1.58 Angstrom resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.2	293	0.1 M NaBr, 0.1 mM NaAcetate, 4% PEG 4000, pH 5.2, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.21	44.32

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 49.892	α = 90
b = 97.568	β = 93.55
c = 59.901	γ = 90

Symmetry
Space Group	P 1 21 1

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 300 mm CCD		2006-03-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-ID	0.97931	APS	22-ID

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	1.58	30	95.9	0.054	11.7	3.8	74941	74941	1	1

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	1.58	1.64	75.3		0.209	5.6	3.3

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	Pdb entry 1PB7	1.58	29.89	71208	71208	3768	95.89	0.14905	0.14905	0.14754	0.17714	RANDOM	13.485

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]
-0.05		0.04			0.05

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.517
r_dihedral_angle_4_deg	18.55
r_dihedral_angle_3_deg	11.247
r_dihedral_angle_1_deg	5.004
r_scangle_it	2.385
r_mcangle_it	1.928
r_scbond_it	1.594
r_angle_refined_deg	1.46
r_mcbond_it	1.287
r_nbtor_refined	0.32
r_nbd_refined	0.248
r_symmetry_vdw_refined	0.246
r_xyhbond_nbd_refined	0.2
r_symmetry_hbond_refined	0.175
r_chiral_restr	0.104
r_bond_refined_d	0.012
r_gen_planes_refined	0.007
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4492
Nucleic Acid Atoms
Solvent Atoms	631
Heterogen Atoms	42

Software

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