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DNA recognition is mediated by conformational transition and by DNA bending
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1E50 PDB ENTRY 1E50
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 292 Ethanol, Sodium Chloride, Tris-HCl, Hepes, DTT, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 292K
Crystal Properties Matthews coefficient Solvent content 4.52 72.76
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 121.23 α = 90 b = 121.23 β = 90 c = 186.33 γ = 120
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 RAXIS IV mirrors 2000-01-18 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU ULTRAX 18
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 2.5 43 99.3 0.071 0.071 17.2 13.9 17501 17379 -3 31.5
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2.5 2.54 99.3 0.295 0.295 2.7
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) 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 MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 1E50 2.5 43 17501 17379 842 99.3 0.1947 0.1947 0.193 0.249 RANDOM 40.5
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 c_dihedral_angle_d 26.5 c_scbond_it 3.8 c_angle_deg 1.2 c_improper_angle_d 0.78 c_bond_d 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1759 Nucleic Acid Atoms Solvent Atoms 201 Heterogen Atoms 5
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling MTF/ULTIMA model building CNS refinement MTF phasing ULTIMA phasing