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Crystal structure of ligand-binding domain of Pseudomonas fluorescens chemoreceptor CtaA
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3C8C
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 298 Ammonium sulfate and Tris-HCl
Crystal Properties Matthews coefficient Solvent content 2.68 57.46
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 66.06 α = 90 b = 75.5 β = 90 c = 113.73 γ = 90
Symmetry Space Group I 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 ADSC QUANTUM 210r 2015-10-29 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON AUSTRALIAN SYNCHROTRON BEAMLINE MX1 0.9537 Australian Synchrotron MX1
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 1.95 37.5 99 0.07 16.2 5.1 20853
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) 1 1.95 2.06 100 0.39 4.8
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-Work (DCC) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 3C8C 1.95 31.451 1.34 20817 1038 98.57 0.1976 0.1952 0.1955 0.2439 0.2441 42.1821
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 2.828 f_angle_d 1.069 f_chiral_restr 0.069 f_bond_d 0.01 f_plane_restr 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1646 Nucleic Acid Atoms Solvent Atoms 119 Heterogen Atoms 6
Software Software Software Name Purpose PHENIX refinement PDB_EXTRACT data extraction iMOSFLM data reduction Aimless data scaling PHASER phasing