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STRUCTURE OF THE ARGININE REPRESSOR FROM BACILLUS STEAROTHERMOPHILUS
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1XXC PDB ENTRY 1XXC
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 5 pH 5
Crystal Properties Matthews coefficient Solvent content 2.5 50
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 72.8 α = 90 b = 121.9 β = 90 c = 227.4 γ = 90
Symmetry Space Group C 2 2 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 MIRRORS 1997-12-02 M
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON CHESS BEAMLINE F2 CHESS F2
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 32 99.7 0.064 18 5.5 35454 -3
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2.5 2.64 100 0.201 3 5.1
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) 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 MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 1XXC 2.5 8 2 35284 4137 93 0.224 0.224 0.279 RANDOM 48
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 x_scbond_it 4 x_mcbond_it 2.5 x_scangle_it 2 x_mcangle_it 1.5 x_angle_deg 1.3 x_improper_angle_d 0.635 x_bond_d 0.007 x_bond_d_na x_bond_d_prot x_angle_d
RMS Deviations Key Refinement Restraint Deviation x_scbond_it 4 x_mcbond_it 2.5 x_scangle_it 2 x_mcangle_it 1.5 x_angle_deg 1.3 x_improper_angle_d 0.635 x_bond_d 0.007 x_bond_d_na x_bond_d_prot x_angle_d x_angle_d_na x_angle_d_prot x_angle_deg_na x_angle_deg_prot x_dihedral_angle_d x_dihedral_angle_d_na x_dihedral_angle_d_prot x_improper_angle_d_na x_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 7451 Nucleic Acid Atoms Solvent Atoms 587 Heterogen Atoms
Software Software Software Name Purpose X-PLOR model building X-PLOR refinement MOSFLM data reduction CCP4 data scaling X-PLOR phasing