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The aminoacrylate form of mutant beta-K167T Salmonella typhimurium Tryptophan Synthase in complex with with inhibitor N-(4'-trifluoromethoxybenzenesulfonyl)-2-amino-1-ethylphosphate (F9F) at the enzyme alpha-site, benzimidazole (BZI) at the enzyme beta site and cesium ion at the metal coordination site at 1.80 Angstrom resolution
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4HPX
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.6 298 50 mM Bicine-CsOH, 10% PEG 8,000, 6 mM spermine, pH 7.6
Crystal Properties Matthews coefficient Solvent content 2.63 53.27
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 183.332 α = 90 b = 60.08 β = 94.83 c = 67.273 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 2020-10-23 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 1.797 91.341 98.9 0.089 0.089 0.103 0.04 9.5 6.5 67106 27.55
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 1.8 1.9 99.2 0.54 0.54 0.627 0.253 0.6 6.6
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 THROUGHOUT 4HPX 1.8 39.31 1.36 65889 3433 97.17 0.2025 0.2007 0.2368 0.262 44.2913
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 4824 Nucleic Acid Atoms Solvent Atoms 444 Heterogen Atoms 103
Software Software Software Name Purpose xia2 data reduction SCALA data scaling MOLREP phasing DM phasing PHENIX refinement PDB_EXTRACT data extraction