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Crystal structure of the extracellular domain of human GABA(B) receptor bound to the antagonist CGP35348
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4MQE PDB ENTRY 4MQE
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7 277 10% PEG3350, 20% glycerol, 0.12 M sodium acetate, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 3.01 59.12
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 70.98 α = 90 b = 112.75 β = 97.8 c = 73.45 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 CCD ADSC QUANTUM 315 2011-08-16 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 24-ID-C 0.97949 APS 24-ID-C
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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 2.15 112.749 99.2 0.037 0.037 18.6 3.7 61684 61684 48.23
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.15 2.27 97 0.462 0.462 1.6 3.2 8759
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 4MQE 2.15 59.67 61654 61654 3081 99.09 0.2098 0.2098 0.2091 0.2156 0.2227 0.2298 RANDOM 53.2603
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] 3.2186 3.3894 -11.2366 8.018
RMS Deviations Key Refinement Restraint Deviation t_dihedral_angle_d 18.44 t_torsion_other 18.44 t_omega_torsion 2.53 t_angle_deg 1.04 t_it 0.944 t_gen_planes 0.013 t_bond_d 0.009 t_trig_c_planes 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6485 Nucleic Acid Atoms Solvent Atoms 474 Heterogen Atoms 126
Software Software Software Name Purpose SCALA data scaling BUSTER-TNT refinement PDB_EXTRACT data extraction XDS data scaling XDS data reduction PHASER phasing BUSTER refinement