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Crystal structure of Mycobacterium tuberculosis malate synthase in complex with 2-(2-(2,4-dichlorophenyl)hydrazinyl)-2-oxoacetic 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 7.5 310 PEG 3350, magnesium chloride, tris
Crystal Properties Matthews coefficient Solvent content 2.16 43.16
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 78.74 α = 90 b = 78.74 β = 90 c = 224.655 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 120 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 1.949 44.681 93.5 0.114 18.3 5.4 49254
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 1N8I 1.95 44.68 1.33 49250 2514 93.5 0.185 0.182 0.1835 0.236 0.236
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 13.859 f_angle_d 1.151 f_chiral_restr 0.082 f_bond_d 0.009 f_plane_restr 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 5460 Nucleic Acid Atoms Solvent Atoms 620 Heterogen Atoms 17
Software Software Software Name Purpose PHENIX refinement Blu-Ice data collection HKL-2000 data reduction SCALEPACK data scaling