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Crystal structure of the iGluR2 ligand-binding core (S1S2J-N754S) in complex with glutamate and cyclothiazide at 2.25 A resolution
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1FTJ PDB ENTRY 1FTJ
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 6.5 279 25 % PEG 4000, 0.3 M Zinc acetate, 0.1 M Cacodylate pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 279K
Crystal Properties Matthews coefficient Solvent content 2.52 51.28
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 114.486 α = 90 b = 163.136 β = 90 c = 47.354 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 96.5 CCD MAR CCD 165 mm 2005-12-14 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON MAX II BEAMLINE I711 MAX II I711
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 2.25 22.84 99.3 0.084 0.084 7.8 3.4 42613 31.1
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 2.25 2.37 100 0.346 0.346 1.9 3.4
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 1FTJ 2.25 22.84 42576 2098 99 0.182 0.182 0.1792 0.228 0.1762 RANDOM 29.1
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] -3.964 -0.12 4.084
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.6 c_scangle_it 3.123 c_mcangle_it 2.256 c_scbond_it 2.142 c_improper_angle_d 2.04 c_mcbond_it 1.4 c_angle_deg 1.33 c_bond_d 0.006 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.6 c_scangle_it 3.123 c_mcangle_it 2.256 c_scbond_it 2.142 c_improper_angle_d 2.04 c_mcbond_it 1.4 c_angle_deg 1.33 c_bond_d 0.006 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d_na c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6112 Nucleic Acid Atoms Solvent Atoms 1031 Heterogen Atoms 183
Software Software Software Name Purpose MOSFLM data reduction SCALA data scaling PHASER phasing CNS refinement PDB_EXTRACT data extraction