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Crystal Structure of the Ligand Binding Domain of E. coli IclR.
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 298 HEPES pH 7.5, Potassium acetate, PEG 3350, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K
Crystal Properties Matthews coefficient Solvent content 2.3 46.6
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 54.098 α = 90 b = 82.911 β = 90 c = 157.316 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 mirrors 2002-07-04 M MAD
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 19-ID 0.97934,0.9791,0.96110 APS 19-ID
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 2.3 20 99.2 0.092 19.9 8.96 31820 31820 -3 21.5
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) 2.3 2.38 98.5 0.38 4 3100
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MAD THROUGHOUT 2.3 19.91 31820 31820 1076 96.1 0.23 0.23 0.299 RANDOM 37.7
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] -6.49 12.83 -6.35
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.9 c_scangle_it 3.51 c_mcangle_it 2.57 c_scbond_it 2.44 c_mcbond_it 1.55 c_angle_deg 1.5 c_improper_angle_d 0.93 c_bond_d 0.014
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 5499 Nucleic Acid Atoms Solvent Atoms 335 Heterogen Atoms
Software Software Software Name Purpose CNS refinement DENZO data reduction SCALEPACK data scaling SOLVE phasing