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COMPLEX OF E.COLI DNA TOPOISOMERASE I WITH 3'-5'-ADENOSINE DIPHOSPHATE
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 MICRODIALYSIS 5 287 2.14M ammonium sulfate, pH 5.0, MICRODIALYSIS, temperature 287K
Crystal Properties Matthews coefficient Solvent content 2.3 46.5
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 63.04 α = 90 b = 73.31 β = 90 c = 134.46 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 100 CCD MARRESEARCH 1997-07-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRL BEAMLINE BL9-1 SSRL BL9-1
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 2.45 999 96.3 0.069 246384 24161 37
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 2.45 2.52 66.8 0.238
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method 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 Selection Details Mean Isotropic B X-RAY DIFFRACTION THROUGHOUT 2.45 19.98 2 22964 22433 1160 95.2 0.224 0.22 0.22 0.274 RANDOM 37.2
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] 0.68 -2.11 1.43
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.1 c_scangle_it 1.9 c_mcangle_it 1.43 c_angle_deg 1.2 c_scbond_it 1.19 c_improper_angle_d 0.82 c_mcbond_it 0.81 c_bond_d 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4260 Nucleic Acid Atoms Solvent Atoms 123 Heterogen Atoms 27
Software Software Software Name Purpose CNS refinement X-PLOR refinement REFMAC refinement AMoRE phasing DENZO data reduction SCALEPACK data scaling