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Apo form of the Y31V mutant dimerization domain fragment of Escherichia coli regulatory protein AraC
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2ARC PDB Entry 2ARC
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 298 PEG 3350, Ammonium acetate, HEPES, Ethylene glycol, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.78 55.46
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 260.632 α = 90 b = 40.621 β = 105.45 c = 102.589 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 100 IMAGE PLATE RIGAKU RAXIS IV Osmic Mirrors 2004-07-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RUH3R 1.5418
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 15 94.7 45573 43641 28.8
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2.3 2.38 97.2
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-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB Entry 2ARC 2.4 15 43641 39009 3942 94.7 0.239 0.211 0.211 0.2123 0.256 0.259 RANDOM 36.7
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] -6.72 4.67 8.74 -2.02
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 24.2 c_scangle_it 3.01 c_mcangle_it 2.27 c_scbond_it 1.98 c_angle_deg 1.4 c_mcbond_it 1.37 c_improper_angle_d 0.82 c_bond_d 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6615 Nucleic Acid Atoms Solvent Atoms 259 Heterogen Atoms 100
Software Software Software Name Purpose CNS refinement DENZO data reduction SCALEPACK data scaling CNS phasing