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X-ray crystal structure of salmonella typhimurium Tryptophan synthase internal aldimine at pH 5.0
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1BKS 1bks
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 5 295 50 mM Bicine pH 7.8, 1 mM EDTA, 0.2 mM PLP, 2 mM spermine, and 6% PEG 8000; acidified with sodium acetate pH 5.0
Crystal Properties Matthews coefficient Solvent content 2.68 54.12
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 184.659 α = 90 b = 61.81 β = 94.74 c = 67.733 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 293 IMAGE PLATE RIGAKU RAXIS IV++ 2022-09-06 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU MICROMAX-007 HF 1.54
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) 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 2.2 29.58 96.5 0.11 0.997 11.6 6.9 37370 26.96
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.2 2.32 0.906
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-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 1bks 2.2 16.54 0.11 37273 96.2 0.1625 0.1599 0.1973 0.1936 37.94
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 4936 Nucleic Acid Atoms Solvent Atoms 158 Heterogen Atoms
Software Software Software Name Purpose PHENIX refinement SCALA data scaling PDB_EXTRACT data extraction CrysalisPro data reduction PHENIX phasing