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Crystal Structure of the GluA4 Ligand-Binding domain L651V mutant in complex with glutamate
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3EPE pdb entry 3EPE
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 4.6 291 24% PEG 4000, 0.1M Na-Acetate, 0.3M Ammonium Sulphate, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties Matthews coefficient Solvent content 2.84 56.69
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 47.2 α = 90 b = 105.1 β = 97.2 c = 66.3 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 100 IMAGE PLATE MAR scanner 345 mm plate M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RUH3R 1.54
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 1.9 37 90.2 50508 45551 -3
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1.9 1.99 96.5
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 (All) 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 3EPE 1.9 19.69 43168 2339 0.206 0.205 0.2085 0.224 0.2288 THIN SHELLS 10.706
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] -0.01 0.01 0.01
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 32.758 r_dihedral_angle_1_deg 5.32 r_angle_refined_deg 1.091 r_chiral_restr 0.076 r_bond_refined_d 0.008
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4026 Nucleic Acid Atoms Solvent Atoms 270 Heterogen Atoms 20
Software Software Software Name Purpose REFMAC refinement CNS refinement MAR345dtb data collection XDS data reduction XSCALE data scaling CNS phasing