☰ Navigation Tabs
Crystal structure of the extracellular domain of human GABA(B) receptor bound to the agonist baclofen
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 5.2 293 20% PEG2000, 15% glycerol, 0.2 M ammonium chloride, 0.1 M sodium cacodylate, pH 5.2, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.49 50.6
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 115.383 α = 90 b = 140.39 β = 90 c = 59.501 γ = 90
Symmetry Space Group P 21 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 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 1.9 50 98.2 0.073 0.073 10.2 7.1 75350 75350 23.67
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 1.9 1.93 96.7 0.678 7 3679
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 1.9 27.82 73269 73269 3725 95.21 0.1912 0.1912 0.1898 0.1885 0.2157 0.217 RANDOM 29.0996
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] 2.1877 0.2466 -2.4343
RMS Deviations Key Refinement Restraint Deviation t_dihedral_angle_d 19.48 t_torsion_other 19.48 t_omega_torsion 3.39 t_it 1.378 t_angle_deg 1.02 t_gen_planes 0.0176 t_bond_d 0.01 t_trig_c_planes 0.0077
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6535 Nucleic Acid Atoms Solvent Atoms 690 Heterogen Atoms 28
Software Software Software Name Purpose SCALEPACK data scaling BUSTER-TNT refinement PDB_EXTRACT data extraction HKL-2000 data collection DENZO data reduction PHASER phasing BUSTER refinement