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Crystal Structure of Chorismate Synthase from Mycobacterium tuberculosis
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1QXO PDB ENTRY 1QXO
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.8 298 PEG 400, magnesium chloride, Hepes, pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 4.55 72.95
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 129.756 α = 90 b = 129.756 β = 90 c = 156.795 γ = 120
Symmetry Space Group P 64 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 CCD MARRESEARCH 2004-03-22 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON LNLS BEAMLINE D03B-MX1 1.427 LNLS D03B-MX1
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 2.65 52.93 97.3 0.07 22658 22383 2 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) 1 2.65 2.79 95.2 0.337 3129
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) 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 1QXO 2.65 52.93 2 22383 20093 2290 96.19 0.204 0.16803 0.16193 0.1634 0.22118 0.2199 RANDOM 34.902
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 r_dihedral_angle_2_deg 33.498 r_dihedral_angle_4_deg 24.87 r_dihedral_angle_3_deg 23.044 r_dihedral_angle_1_deg 9.292 r_scangle_it 7.085 r_mcangle_it 5.45 r_scbond_it 4.842 r_mcbond_it 3.773 r_angle_refined_deg 2.655 r_nbtor_refined 0.36
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.498 r_dihedral_angle_4_deg 24.87 r_dihedral_angle_3_deg 23.044 r_dihedral_angle_1_deg 9.292 r_scangle_it 7.085 r_mcangle_it 5.45 r_scbond_it 4.842 r_mcbond_it 3.773 r_angle_refined_deg 2.655 r_nbtor_refined 0.36 r_nbd_refined 0.317 r_symmetry_hbond_refined 0.303 r_symmetry_vdw_refined 0.268 r_xyhbond_nbd_refined 0.238 r_chiral_restr 0.19 r_bond_refined_d 0.021 r_gen_planes_refined 0.01
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2838 Nucleic Acid Atoms Solvent Atoms 243 Heterogen Atoms
Software Software Software Name Purpose MOSFLM data reduction SCALA data scaling AMoRE phasing REFMAC refinement CCP4 data scaling