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NANOMOLAR INHIBITORS OF MYCOBACTERIUM TUBERCULOSIS GLUTAMINE SYNTHETASE 1: SYNTHESIS, BIOLOGICAL EVALUATION AND X-RAY CRYSTALLOGRAPHIC STUDIES
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2WGS
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.5 298 24% PEG3350, 0.2 M KSCN, PH 7.5, VAPOR
DIFFUSION, HANGING DROP, TEMPERATURE 298K
Crystal Properties Matthews coefficient Solvent content 2.87 57.13
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 260.112 α = 90 b = 273.497 β = 90 c = 207.634 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 200 CCD ADSC QUANTUM 4r 2011-12-25 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID14-2 0.933 ESRF ID14-2
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 3.3 50 99.9 0.19 9.3 6.6 221564 2
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) 3.3 3.5 100 0.79 3 6.4
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 2WGS 3.3 50 1 210213 11105 99.8 0.203 0.2 0.1972 0.265 0.2582 RANDOM 57.52
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] -2.64 -1.66 4.3
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 39.248 r_dihedral_angle_3_deg 19.659 r_dihedral_angle_4_deg 16.953 r_dihedral_angle_1_deg 5.807 r_scangle_it 1.828 r_angle_refined_deg 1.354 r_mcangle_it 1.165 r_scbond_it 0.995 r_mcbond_it 0.622 r_chiral_restr 0.088
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 39.248 r_dihedral_angle_3_deg 19.659 r_dihedral_angle_4_deg 16.953 r_dihedral_angle_1_deg 5.807 r_scangle_it 1.828 r_angle_refined_deg 1.354 r_mcangle_it 1.165 r_scbond_it 0.995 r_mcbond_it 0.622 r_chiral_restr 0.088 r_bond_refined_d 0.01 r_gen_planes_refined 0.005 r_bond_other_d r_angle_other_deg r_gen_planes_other r_nbd_refined r_nbd_other r_nbtor_refined r_nbtor_other r_xyhbond_nbd_refined r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_refined r_symmetry_vdw_other r_symmetry_hbond_refined r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_mcbond_other r_mcangle_other r_scbond_other r_scangle_other r_long_range_B_refined r_long_range_B_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 88296 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms 552
Software Software Software Name Purpose MOSFLM data reduction SCALA data scaling AMoRE phasing REFMAC refinement