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Structure of DCS-resistant variant D322N of alanine racemase from M. tuberculosis in complex with DCS
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6SCZ
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 6.2 291 100 mM sodium MES buffer pH 6.2, 150 mM CaCl, 10.5% (v/v) PEG Smear Broad, 4.3% (v/v) Glycerol
Crystal Properties Matthews coefficient Solvent content 2.34 47.37
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 163.94 α = 90 b = 163.94 β = 90 c = 57.11 γ = 90
Symmetry Space Group P 41 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 PIXEL DECTRIS PILATUS 6M-F 2018-12-02 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON DIAMOND BEAMLINE I04 0.9159 Diamond I04
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) 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 1.78 57.96 100 1 10.2 12.3 74924 30.21
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 1.78 1.91 1.765 0.569 0.3
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 6SCZ 1.78 53.93 1.34 74848 3789 99.99 0.2004 0.1992 0.1991 0.2229 0.2226 37.14
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 7.9147 f_angle_d 1.1069 f_chiral_restr 0.0697 f_bond_d 0.0147 f_plane_restr 0.0108
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 5395 Nucleic Acid Atoms Solvent Atoms 343 Heterogen Atoms 87
Software Software Software Name Purpose DIALS data reduction xia2 data scaling PHASER phasing PHENIX refinement