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Crystal structure of Mycobacterium tuberculosis malate synthase in complex with 2-(pyridin-4-yl)thiazolidine-4-carboxylic acid
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1N8I
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 300 PEG 3350, magnesium chloride, tris
Crystal Properties Matthews coefficient Solvent content 2.15 42.77
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 78.379 α = 90 b = 78.379 β = 90 c = 225.187 γ = 90
Symmetry Space Group P 43 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 CCD MARMOSAIC 300 mm CCD 2012-02-23 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 23-ID-D 0.987 APS 23-ID-D
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge 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 2.03 44.59 88.4 0.21 14.14 4.8 46051
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.03 2.15 99 6.07 5.7
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) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 1N8I 2.03 44.59 1.34 40971 2090 88.4 0.209 0.205 0.2068 0.292 0.2877 Random selection
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 14.208 f_angle_d 1.118 f_chiral_restr 0.08 f_bond_d 0.008 f_plane_restr 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 5448 Nucleic Acid Atoms Solvent Atoms 625 Heterogen Atoms 15
Software Software Software Name Purpose PHENIX refinement Blu-Ice data collection HKL-2000 data reduction SCALEPACK data scaling REFMAC phasing