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Crystal structure of the G202A mutant of human G-alpha-i1
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1GDD PDB entry 1GDD
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION 6.5 291 Protein: 10-20 mg/mL in 50 mM HEPES, pH 8.0, 1 mM EDTA, 100 microM GDP, 5 mM DTT, well solution: 1.8-2.2 M ammonium sulfate, 0.1M sodium acetate, pH 6.0, VAPOR DIFFUSION, temperature 291K
Crystal Properties Matthews coefficient Solvent content 3.1 60.34
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 121.531 α = 90 b = 121.531 β = 90 c = 67.909 γ = 90
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 RIGAKU RAXIS IV 2007-02-12 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU200 1.54
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 2.34 31.58 94.5 0.071 27.7 4.2 19799 19799 -3 -3 46.56
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 2.34 2.36 67.4 0.898 2 3.9 341
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB entry 1GDD 2.343 31.579 1.34 19792 19792 1183 94.58 0.1831 0.1803 0.2277 0.2094 Random 52.4
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]
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 14.732 f_angle_d 1.078 f_chiral_restr 0.057 f_bond_d 0.008 f_plane_restr 0.003
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2690 Nucleic Acid Atoms Solvent Atoms 126 Heterogen Atoms 34
Software Software Software Name Purpose CrystalClear data collection PHASER phasing PHENIX refinement HKL-2000 data reduction HKL-2000 data scaling