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Crystal Structure of E. coli Topoisomerase IV co-complexed with inhibitor
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1S14
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5.5 298 15% PEG 4000, 0.1M MES, pH=5.5, 0.2M MgCl2, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.45 49.88
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 85.42 α = 90 b = 72.84 β = 96.41 c = 70.97 γ = 90
Symmetry Space Group C 1 2 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 120 CCD ADSC QUANTUM 315 mirrors 2003-04-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 5.0.2 1.0 ALS 5.0.2
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym 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 1.8 20 81.4 0.038 0.033 3.12 33331 2 2 15.9
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-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 1S14 1.8 19.75 2 33267 33150 1675 82.5 0.199 0.199 0.197 0.24 0.2476 RANDOM 25.2
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] 6.8 -0.48 -6.43
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 20.6 c_scangle_it 3.87 c_scbond_it 2.6 c_mcangle_it 2.21 c_mcbond_it 1.46 c_angle_deg 0.9 c_improper_angle_d 0.65 c_bond_d 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2842 Nucleic Acid Atoms Solvent Atoms 435 Heterogen Atoms 48
Software Software Software Name Purpose ADSC data collection AMoRE phasing CNX refinement DENZO data reduction SCALEPACK data scaling