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CRYSTAL STRUCTURE OF THE 30 KDA FRAGMENT OF E. COLI DNA TOPOISOMERASE I. HEXAGONAL FORM
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 296 2M AMMONIUM SULFATE, 100MM HEPES PH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 296K
Crystal Properties Matthews coefficient Solvent content 3.69 66.63
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 113.85 α = 90 b = 113.85 β = 90 c = 233.87 γ = 120
Symmetry Space Group P 61 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 MARRESEARCH 1998-10-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 5ID-B APS 5ID-B
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 2.15 29 91.7 0.048 11.5 5.7 259275 45125 39.8
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 2.15 2.21 85.8 0.261 3.8
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 2.15 14.97 2 44947 43571 2166 88.3 0.234 0.234 0.229 0.282 RANDOM 41.6
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] 0.93 4.37 0.93 -1.86
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 23.7 c_scangle_it 2 c_mcangle_it 1.89 c_angle_deg 1.4 c_scbond_it 1.16 c_mcbond_it 1.09 c_improper_angle_d 0.88 c_bond_d 0.008 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 23.7 c_scangle_it 2 c_mcangle_it 1.89 c_angle_deg 1.4 c_scbond_it 1.16 c_mcbond_it 1.09 c_improper_angle_d 0.88 c_bond_d 0.008 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d_na c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3939 Nucleic Acid Atoms Solvent Atoms 380 Heterogen Atoms 1
Software Software Software Name Purpose CNS refinement REFMAC refinement X-PLOR refinement AMoRE phasing DENZO data reduction CCP4 data scaling