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Tryptophan Repressor TrpR from E.coli variant T44L T81M S88Y with Indole-3-acetic acid as ligand
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1TRO
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 6.5 293 0.05 Calcium Chloride
0.1M Bis-Tris pH 6.5
30% PEG 550 MME
Crystal Properties Matthews coefficient Solvent content 2.32 47.05
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 55.035 α = 90 b = 63.123 β = 90 c = 64.64 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 PIXEL DECTRIS PILATUS 6M 2014-08-25 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SLS BEAMLINE X10SA 1.000020 SLS X10SA
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) CC (Half) 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 1.46 41.904 98.6 0.033 0.038 0.999 20.4 4.292 39396 -3 23.17
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.46 1.5 93.6 0.823 0.939 0.801 1.9 4.129
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 (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 1tro 1.46 41.904 1.36 39386 1970 98.5 0.173 0.1721 0.1897 0.1972 39.1988
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 f_dihedral_angle_d 17.447 f_angle_d 0.497 f_chiral_restr 0.041 f_plane_restr 0.004 f_bond_d 0.002
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1676 Nucleic Acid Atoms Solvent Atoms 250 Heterogen Atoms 57
Software Software Software Name Purpose XSCALE data scaling PHASER phasing PHENIX refinement PDB_EXTRACT data extraction XDS data reduction