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Competition of the small inhibitor PT91 with large fatty acyl substrate of the Mycobacterium tuberculosis enoyl-ACP reductase InhA by induced substrate-binding loop refolding
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2X23
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.8 298 100 mM ADA, 200 mM ammonium acetate, 16% PEG 4000, 6% DMSO
Crystal Properties Matthews coefficient Solvent content 2.45 49.86
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 74.842 α = 90 b = 90.653 β = 90 c = 164.436 γ = 90
Symmetry Space Group P 21 21 21
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 ADSC QUANTUM 210 2009-03-06 SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X12C 1.1 NSLS X12C
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 2.2995 50 90.1 0.062 12 4.2 45551 36.78
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 2.2995 2.34 86.5 0.352 3.5 2165
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 2X23 2.2995 43.697 1.33 45401 2282 89.83 0.1967 0.1941 0.1841 0.244 0.2317 45.43
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] 18.4432 -10.9631 -7.48
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 16.943 f_angle_d 1.123 f_chiral_restr 0.07 f_bond_d 0.007 f_plane_restr 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 7490 Nucleic Acid Atoms Solvent Atoms 111 Heterogen Atoms 254
Software Software Software Name Purpose HKL-2000 data collection HKL-2000 data scaling PHENIX refinement PDB_EXTRACT data extraction CNS refinement MOLREP phasing