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Crystal structure of Mycobacterium tuberculosis glutamine synthetase in complex with a transition state mimic
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1HTO PDB ENTRY 1HTO
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 6.8 30% PEG400, 0.1M MES PH6.8, 200 MM MGCL2, pH 6.80
Crystal Properties Matthews coefficient Solvent content 2.5 50
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 133.261 α = 90 b = 229.457 β = 90 c = 203.167 γ = 90
Symmetry Space Group C 2 2 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 CCD 2004-08-03 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID14-2 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 2.1 20 89.6 0.06 13.2 3.5 160432 3
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 2.1 2.17 69.1 0.34 2.4 2.1
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) 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 THROUGHOUT PDB ENTRY 1HTO 2.1 20 152255 8011 89.2 0.193 0.191 0.196 0.23 0.2331 RANDOM 25.35
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] 1.27 -1.47 0.2
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 35.518 r_dihedral_angle_4_deg 16.097 r_dihedral_angle_3_deg 13.776 r_dihedral_angle_1_deg 5.637 r_scangle_it 1.406 r_angle_refined_deg 1.161 r_scbond_it 0.91 r_mcangle_it 0.637 r_mcbond_it 0.372 r_nbtor_refined 0.299
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 35.518 r_dihedral_angle_4_deg 16.097 r_dihedral_angle_3_deg 13.776 r_dihedral_angle_1_deg 5.637 r_scangle_it 1.406 r_angle_refined_deg 1.161 r_scbond_it 0.91 r_mcangle_it 0.637 r_mcbond_it 0.372 r_nbtor_refined 0.299 r_nbd_refined 0.185 r_symmetry_vdw_refined 0.156 r_symmetry_hbond_refined 0.119 r_xyhbond_nbd_refined 0.104 r_chiral_restr 0.075 r_bond_refined_d 0.009 r_gen_planes_refined 0.003 r_bond_other_d r_angle_other_deg r_gen_planes_other r_nbd_other r_nbtor_other r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_other 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 22572 Nucleic Acid Atoms Solvent Atoms 621 Heterogen Atoms 276
Software Software Software Name Purpose REFMAC refinement DENZO data reduction SCALEPACK data scaling MOLREP phasing