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Structure of the ligand-binding core of GluR2 in complex with the agonist (R)-TDPA at 1.95 A resolution
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1MQD
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.5 279 PEG 2000, cacodylate, ammonium sulfate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 279K
Crystal Properties Matthews coefficient Solvent content 2.43 49.32
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 104.75 α = 90 b = 47.52 β = 113.54 c = 124.33 γ = 90
Symmetry Space Group P 1 2 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 2003-06-27 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON BESSY BEAMLINE 14.1 0.8122 BESSY 14.1
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 1.95 96.23 99.9 0.133 10.8 5.2 82554
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) 1.95 2.06 99.7 0.506 3.6 5.1 11970
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-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 1MQD 1.95 96.23 82548 4167 99.9 0.2 0.2016 0.233 0.2 Random 18.624
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] -1.589 -2.382 2.976 -1.387
RMS Deviations Key Refinement Restraint Deviation c_scangle_it 3.144 c_scbond_it 2.16 c_mcangle_it 1.871 c_mcbond_it 1.264 c_angle_deg 1.2 c_bond_d 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 8139 Nucleic Acid Atoms Solvent Atoms 1218 Heterogen Atoms 48
Software Software Software Name Purpose XSCALE data scaling MOLREP phasing CNS refinement PDB_EXTRACT data extraction xia2 data scaling XDS data scaling