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Crystal Structure of Glutamine Synthetase from Chromohalobacter salexigens DSM 3043(Csal_0679, TARGET EFI-550015) with bound ADP
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4LNI
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8.5 298 Protein (5mM MgCl2, 5mM ATP, 10 mM HEPES pH 7.5, 5 mM DTT); Reservoir (.1 M Sodium Citrate:HCl pH 5.6, 10% (w/v) PEG 4000, 10% (v/v) 2-Propanol); Cryoprotection (20% Ethylene glycol, 80% Reservoir)
Crystal Properties Matthews coefficient Solvent content 2.29 46.34
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 132.983 α = 90 b = 221.339 β = 90 c = 199.353 γ = 90
Symmetry Space Group C 2 2 21
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 RAYONIX MX225HE MIRRORS 2015-08-13 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 31-ID 0.9793 APS 31-ID
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rpim I (All) CC (Half) 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 2.6 199.35 99.9 0.171 0.068 0.994 7.1 7.2 90297 58.52
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.6 2.64 98.9 1.711 0.809 0.307 0.8 5.1 4387
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) 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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 4LNI 2.6 74.064 1.34 90161 4511 99.82 0.2043 0.2007 0.2044 0.2741 0.2725 60.585
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 15.891 f_angle_d 1.229 f_chiral_restr 0.045 f_bond_d 0.009 f_plane_restr 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 17602 Nucleic Acid Atoms Solvent Atoms 60 Heterogen Atoms 162
Software Software Software Name Purpose DIALS data scaling PHASER phasing PHENIX refinement PDB_EXTRACT data extraction DIALS data reduction