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Cooperative Effect of Two Surface Amino Acid Mutations (Q252L and E170K) of Glucose Dehydrogenase from Bacillus megaterium IWG3 for the stabilization of Oligomeric State
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1GCO PDB Entry 1GCO
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.5 291 PEG 6000, MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties Matthews coefficient Solvent content 2.03 39.47
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 118.5 α = 90 b = 65.4 β = 92.6 c = 118 γ = 90
Symmetry Space Group C 1 2 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 MARRESEARCH 2002-10-05 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE BM30A 0.95 ESRF BM30A
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 1.83 40 99.4 0.073 0.06 7 2.8 78937 1 1 9.5
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 1.83 1.92 99.4 0.19 0.19 3.6 1.8 2274
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) 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 Rigid Body THROUGHOUT PDB Entry 1GCO 2 14.99 60614 6090 99.4 0.224 0.224 0.2245 0.267 0.2657 RANDOM 19.9
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] 1.9 -6.33 2.91 -4.82
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.3 c_scangle_it 2.33 c_scbond_it 1.76 c_mcangle_it 1.57 c_angle_deg 1.2 c_improper_angle_d 1.14 c_mcbond_it 1.06 c_bond_d 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 7884 Nucleic Acid Atoms Solvent Atoms 543 Heterogen Atoms 176
Software Software Software Name Purpose CNS refinement MOSFLM data reduction CCP4 data scaling CNS phasing