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Studies of a constitutively active G-alpha subunit provide insights into the mechanism of G protein activation.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1TAG PDB ENTRY 1TAG
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.3 295 1.9 M Ammonium Sulphate in 0.05 M Sodium Cacodylate buffer, pH 6.3, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Crystal Properties Matthews coefficient Solvent content 3.36 63.39
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 93.173 α = 90 b = 93.173 β = 90 c = 380.58 γ = 90
Symmetry Space Group P 43 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 210 Mirrors 2007-11-08 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON CHESS BEAMLINE A1 0.978 CHESS A1
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 2.7 39.74 99.2 0.08 0.08 21.253 8.6 47386 47006 11.3 89.2
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 2.7 2.8 8.8
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 (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 1TAG 2.9 39.74 37430 37430 3751 97.4 0.221 0.221 0.2299 0.272 0.2761 RANDOM 94.5
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 c_dihedral_angle_d 23.3 c_mcbond_it 1.5 c_angle_deg 1.1 c_improper_angle_d 0.81 c_bond_d 0.007 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 23.3 c_mcbond_it 1.5 c_angle_deg 1.1 c_improper_angle_d 0.81 c_bond_d 0.007 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d_na c_improper_angle_d_prot c_mcangle_it c_scbond_it c_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 8409 Nucleic Acid Atoms Solvent Atoms 295 Heterogen Atoms 84
Software Software Software Name Purpose CrystalClear data collection MOLREP phasing CNS refinement DENZO data reduction HKL-2000 data scaling