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Crystal structure of ligand-free Francisella tularensis histidine acid phosphatase
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3IT1 PDB entry 3IT1
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 5 293 0.05 - 0.2 M Bis-Tris buffer pH 5.0, 1.6 - 2.0 M ammonium sulfate, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.63 53.29
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 61.976 α = 90 b = 61.976 β = 90 c = 211.716 γ = 90
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 NOIR-1 2005-06-12 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 4.2.2 1.12711 ALS 4.2.2
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 1.838 40.249 99.1 0.077 10 3.43 67426
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 1.838 1.92 99.7 0.29 2.2 2.76 6782
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) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB entry 3IT1 1.838 40.249 1.4 67404 3388 97.64 0.204 0.203 0.1955 0.227 0.2207 based on test set used for refinement of the tartrate complex of this enzyme 33.077
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 15.418 f_angle_d 0.886 f_chiral_restr 0.062 f_bond_d 0.006 f_plane_restr 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 5042 Nucleic Acid Atoms Solvent Atoms 283 Heterogen Atoms 16
Software Software Software Name Purpose d*TREK data processing PHENIX refinement PDB_EXTRACT data extraction d*TREK data reduction d*TREK data scaling PHENIX phasing