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Crystal structure of chorismate synthase from Mycobacterium tuberculosis at 2.22 angstrons of resolution
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1ZTB PDB ENTRY 1ZTB
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.8 293 0.1M Hepes-Na pH 7.8 buffer, 4M sodim chlorate , VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 4.62 73.39
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 130.288 α = 90 b = 130.288 β = 90 c = 157.95 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 IMAGE PLATE RIGAKU 2005-05-05 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) 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 2.22 50.25 99.4 37755 37564 2 1
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.22 2.34 22 4.5 5036
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 1ZTB 2.22 47.73 2 39553 35623 1873 94.8 0.17528 0.1732 0.17318 0.1742 0.21441 0.2141 RANDOM 33.825
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] -0.01 -0.01 0.01
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 32.781 r_dihedral_angle_4_deg 26.51 r_dihedral_angle_3_deg 22.299 r_dihedral_angle_1_deg 8.73 r_scangle_it 6.025 r_scbond_it 3.972 r_mcangle_it 2.389 r_angle_refined_deg 2.286 r_mcbond_it 1.485 r_symmetry_hbond_refined 0.455
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 32.781 r_dihedral_angle_4_deg 26.51 r_dihedral_angle_3_deg 22.299 r_dihedral_angle_1_deg 8.73 r_scangle_it 6.025 r_scbond_it 3.972 r_mcangle_it 2.389 r_angle_refined_deg 2.286 r_mcbond_it 1.485 r_symmetry_hbond_refined 0.455 r_xyhbond_nbd_refined 0.33 r_nbtor_refined 0.326 r_symmetry_vdw_refined 0.307 r_nbd_refined 0.305 r_chiral_restr 0.204 r_bond_refined_d 0.017 r_gen_planes_refined 0.01
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2829 Nucleic Acid Atoms Solvent Atoms 421 Heterogen Atoms
Software Software Software Name Purpose REFMAC refinement MOSFLM data reduction CCP4 data scaling AMoRE phasing