☰ Navigation Tabs
The external aldimine crystal structure of the beta-K167T mutant Tryptophan Synthase at 1.75 Angstrom resolution in complex with N-(4'-trifluoromethoxybenzenesulfonyl)-2-amino-1-ethylphosphate (F9F) at the enzyme alpha-site and cesium ion at the metal coordination site
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4HT3
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8 298 50 mM Bicine-CsOH, 10% PEG 8,000, 2 mM Spermine, pH 8.0
Crystal Properties Matthews coefficient Solvent content 2.56 52
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 182.703 α = 90 b = 59.419 β = 94.72 c = 67.358 γ = 90
Symmetry Space Group C 1 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 PIXEL DECTRIS PILATUS 6M 2020-02-06 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 24-ID-C 0.9792 APS 24-ID-C
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Rrim I (All) Rpim I (All) 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 1.75 91.042 99.3 0.106 0.106 0.127 0.05 10.5 6.6 72171
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Rrim I (All) Rpim I (All) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.75 1.84 99.6 0.712 0.712 0.838 0.327 1 6.4
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 4HT3 1.75 29.71 1.35 72120 3659 99.14 0.1911 0.1887 0.189 0.2356 0.2347 33.1452
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 4937 Nucleic Acid Atoms Solvent Atoms 556 Heterogen Atoms 96
Software Software Software Name Purpose iMOSFLM data reduction SCALA data scaling MOLREP phasing DM phasing PHENIX refinement PDB_EXTRACT data extraction