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Crystal structure of the GluR2 ligand binding core (S1S2J) in complex with fluoro-willardiine and aniracetam
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1MQI PDB entry 1MQI
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5.5 277 12-14% PEG 8000, 0.25-0.35 M ammonium sulfate and 0.1 M sodium citrate, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.9 57.52
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 48.056 α = 90 b = 64.126 β = 90.07 c = 107.949 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 110 CCD ADSC QUANTUM 4 2002-10-14 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X4A 0.9763 NSLS X4A
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 1.6 30 81.6 0.054 2.8 86393 70497 -3 -3 18.7
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) 1.6 1.66 48.6 0.449
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 (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 1MQI 1.65 26.26 79098 66996 6824 84.7 0.197 0.197 0.197 0.1911 0.22 0.2126 RANDOM 18.5
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] -2.49 -0.94 2.44 0.05
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 21.3 c_scangle_it 3.06 c_scbond_it 2.06 c_mcangle_it 1.7 c_angle_deg 1.2 c_mcbond_it 1.12 c_improper_angle_d 0.82 c_bond_d 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4016 Nucleic Acid Atoms Solvent Atoms 711 Heterogen Atoms 62
Software Software Software Name Purpose CNS refinement DENZO data reduction SCALEPACK data scaling AMoRE phasing