3GBA

X-ray structure of iGluR5 ligand-binding core (S1S2) in complex with dysiherbaine at 1.35A resolution

X-RAY DIFFRACTION

---

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1YCJ

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.5	280	PEG8000, ammonium sulfate, phosphate-citrate, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 280K

Crystal Properties
Matthews coefficient	Solvent content
2.28	45.95

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 44.872	α = 92.69
b = 66.902	β = 94.66
c = 90.342	γ = 100.82

Symmetry
Space Group	P 1

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	MAR CCD 165 mm		2006-10-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MAX II BEAMLINE I911-2	1.000	MAX II	I911-2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	1.35	89.862	94.8	0.079	0.079	5.073	3.6	213789	213789			9.964

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.35	1.42	90.2		0.342	0.342	1.7	3.6	29699

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1ycj	1.35	89.8	213779	209482	4297	94.8	0.165	0.165	0.193	RANDOM	10.008

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]
-0.09	-0.01	0.02	0.02	0.03	0.07

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.123
r_dihedral_angle_3_deg	10.855
r_dihedral_angle_4_deg	9.819
r_dihedral_angle_1_deg	5.589
r_sphericity_free	3.365
r_scangle_it	2.796
r_sphericity_bonded	2.112
r_scbond_it	2.086
r_mcangle_it	1.369
r_mcbond_it	1.217
r_angle_refined_deg	1.174
r_rigid_bond_restr	1.087
r_angle_other_deg	0.817
r_mcbond_other	0.373
r_symmetry_vdw_other	0.231
r_nbd_refined	0.207
r_nbd_other	0.182
r_nbtor_refined	0.18
r_xyhbond_nbd_refined	0.11
r_symmetry_hbond_refined	0.1
r_nbtor_other	0.086
r_symmetry_vdw_refined	0.082
r_chiral_restr	0.072
r_xyhbond_nbd_other	0.027
r_bond_refined_d	0.007
r_gen_planes_refined	0.004
r_bond_other_d	0.002
r_gen_planes_other	0.001
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8069
Nucleic Acid Atoms
Solvent Atoms	1441
Heterogen Atoms	114

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345dtb	data collection