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Crystal structure of Mycobacterium tuberculosis cytochrome P450 CYP121A1 in complex with Triazole Pyrazole inhibitor 14a
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1N4G
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 277 800 nL drops with protein-to-mother liquor at a ratio of 1 to 1, by vapour diffusion in 1.5 to 2.1 M ammonium sulfate and 0.1 M sodium MES, or Cacodylate from pH 5.5 to 6.15
Crystal Properties Matthews coefficient Solvent content 2.61 52.89
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 77.447 α = 90 b = 77.447 β = 90 c = 264.034 γ = 120
Symmetry Space Group P 65 2 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 2018-02-24 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON DIAMOND BEAMLINE I04 0.98 Diamond I04
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) 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 1.6 65.01 99.37 0.1593 0.1639 0.03821 0.998 11.03 18.2 62925 15.61
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 1.6 1.657 99.63 0.5184 0.1231 0.946 2.64 18.6
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 1N4G 1.6 65.01 1.33 62531 3176 99.37 0.1739 0.1724 0.1762 0.2037 0.2072 Random 19.81
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 22.4592 f_angle_d 0.8462 f_chiral_restr 0.048 f_bond_d 0.0063 f_plane_restr 0.0053
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3037 Nucleic Acid Atoms Solvent Atoms 590 Heterogen Atoms 80
Software Software Software Name Purpose PHENIX refinement DIALS data reduction DIALS data scaling PHASER phasing