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X-ray structure of the GluR2 ligand-binding core (S1S2J) in complex with (S)-Des-Me-AMPA at 1.46 A resolution. Crystallization in the presence of lithium sulfate.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1M5B PDB entry 1M5B
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5.2 279 20% PEG 8000, 0.1M lithium sulfate, 0.1M cacodylate, pH 5.2, VAPOR DIFFUSION, HANGING DROP, temperature 279K
Crystal Properties Matthews coefficient Solvent content 2.44 49.65
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 105.445 α = 90 b = 47.505 β = 113.7 c = 123.92 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 100 CCD MARRESEARCH 2001-08-15 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X11 0.84990 EMBL/DESY, HAMBURG X11
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 1.46 20 99 0.042 26.7 3.9 191888 191888 14.9
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 1.46 1.49 95.5 0.384 2.4 12223
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-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB entry 1M5B 1.46 19.24 191888 191888 3852 98.5 0.18 0.192 RANDOM 21.2
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] 1.75 -1.69 -0.07 1.38
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.4 c_angle_deg 1.3 o_improper_angle_d 0.82 c_bond_d 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 8076 Nucleic Acid Atoms Solvent Atoms 2626 Heterogen Atoms 69
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling AMoRE phasing CNS refinement