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Crystal structure of GluR5 ligand-binding core in complex with cesium at 1.97 Angstrom resolution
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3C31 PDB entry 3C31
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6 293 20% PEG 4000, 125 mM CsCl, 175 mM Cs2(SO4), 100 mM Cs cacodylate, 4 mM Kainic acid, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.49 50.7
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 70.587 α = 90 b = 70.587 β = 90 c = 234.359 γ = 90
Symmetry Space Group P 41 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 100 CCD MARMOSAIC 300 mm CCD 2007-12-14 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 22-ID 1.00000 APS 22-ID
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 1.97 30 97.4 0.086 10.9 4.9 43097 43097 22.8
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 1.97 2.05 98.8 0.485 3.7 4.8
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-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION FOURIER SYNTHESIS THROUGHOUT PDB entry 3C31 1.97 29.27 39746 39746 2156 97.43 0.18194 0.18194 0.17943 0.22735 0.2399 RANDOM 19.634
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] 0.82 0.82 -1.65
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 32.472 r_dihedral_angle_4_deg 21.166 r_dihedral_angle_3_deg 16.106 r_dihedral_angle_1_deg 6.184 r_scangle_it 4.304 r_scbond_it 2.691 r_mcangle_it 1.605 r_angle_refined_deg 1.517 r_mcbond_it 0.846 r_chiral_restr 0.114
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 32.472 r_dihedral_angle_4_deg 21.166 r_dihedral_angle_3_deg 16.106 r_dihedral_angle_1_deg 6.184 r_scangle_it 4.304 r_scbond_it 2.691 r_mcangle_it 1.605 r_angle_refined_deg 1.517 r_mcbond_it 0.846 r_chiral_restr 0.114 r_bond_refined_d 0.016 r_gen_planes_refined 0.007 r_bond_other_d r_angle_other_deg r_gen_planes_other r_nbd_refined r_nbd_other r_nbtor_refined r_nbtor_other r_xyhbond_nbd_refined r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_refined r_symmetry_vdw_other r_symmetry_hbond_refined r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_mcbond_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4048 Nucleic Acid Atoms Solvent Atoms 400 Heterogen Atoms 62
Software Software Software Name Purpose REFMAC refinement HKL-2000 data collection HKL-2000 data reduction HKL-2000 data scaling