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DETERMINANTS OF REPRESSOR/OPERATOR RECOGNITION FROM THE STRUCTURE OF THE TRP OPERATOR BINDING SITE
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details in silico model Other standard B-DNA model
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION 7 277 PEG 200, NA CACODYLATE, SPERMINE_HCL, MGCL2
Crystal Properties Matthews coefficient Solvent content 2.44 49.58
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 32.9 α = 90 b = 32.9 β = 90 c = 95.1 γ = 120
Symmetry Space Group P 32 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 DIFFRACTOMETER RIGAKU AFC-5R M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU 1.5400
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 1.95 33 0.087 2.03 4034
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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT standard B-DNA model 1.95 6 2 3200 0.17 16.9851
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]
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms Nucleic Acid Atoms 404 Solvent Atoms 121 Heterogen Atoms
Software Software Software Name Purpose NUCLSQ refinement ULTIMA phasing