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Crystal Structure of the apo form of the E131Q Mtb crotonase
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3PZK
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION 8 298 20% PEG3350, 0.2 M LiCl, pH 8, VAPOR DIFFUSION, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.8 56.05
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 134.701 α = 90 b = 134.044 β = 90 c = 101.544 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 120 IMAGE PLATE RIGAKU RAXIS IV++ mirrors 2011-12-11 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU200 1.54
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 2.2 28.85 98.3 0.102 0.102 6.1 3.38 46083 46083 37.64
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.2 2.28 98.7 0.463 2 3.25 4587
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 (All) 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 3PZK 2.2 28.063 46051 46051 2325 98.21 0.2117 0.2117 0.2091 0.2018 0.2619 0.2544 random 44.4546
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] 14.6804 -4.4704 -10.2099
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 14.269 f_angle_d 1.028 f_chiral_restr 0.068 f_bond_d 0.007 f_plane_restr 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 5620 Nucleic Acid Atoms Solvent Atoms 450 Heterogen Atoms
Software Software Software Name Purpose d*TREK data scaling d*TREK data reduction PHASER phasing PHENIX refinement PDB_EXTRACT data extraction CrystalClear data collection