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B. subtilis glutamine synthetase structures reveal large active site conformational changes and basis for isoenzyme specific regulation: form two of GS-1
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2BVC PDB ENTRY 2BVC
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 298 PEG8000, magnesium chloride, Tris, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.86 57.04
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 209.86 α = 90 b = 138.94 β = 125.17 c = 144.73 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 ADSC QUANTUM 315r 2012-12-23 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 8.3.1 1 ALS 8.3.1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 2.9 71.68 99.9 75100 75070 24.8
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 MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 2BVC 2.9 71.68 75070 4565 99.7 0.196 0.196 0.1953 0.256 0.2556 RANDOM 38.8
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] 12.61 -7.26 -7.73 -4.88
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 23 c_scangle_it 2.85 c_mcangle_it 2.18 c_scbond_it 1.8 c_mcbond_it 1.25 c_angle_deg 1.2 c_improper_angle_d 0.9 c_bond_d 0.009
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 21210 Nucleic Acid Atoms Solvent Atoms 713 Heterogen Atoms 70
Software Software Software Name Purpose ADSC data collection MOLREP phasing CNS refinement MOSFLM data reduction SCALA data scaling