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The aminoacrylate form of the wild-type Salmonella typhimurium Tryptophan Synthase in complex with inhibitor N-(4'-trifluoromethoxybenzenesulfonyl)-2-amino-1-ethylphosphate (F9F) at the enzyme alpha-site and cesium ion at the metal coordination site at 1.30 Angstrom resolution
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4JT3
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.8 298 50 mM Bicine-CsOH, 10% PEG 8,000, 2 mM Spermine, pH 7.8
Crystal Properties Matthews coefficient Solvent content 2.6 52.75
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 184.189 α = 90 b = 59.73 β = 94.63 c = 67.54 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 2020-03-16 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 24-ID-C 1.0000 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 1.3 91.794 89.2 0.063 0.063 0.087 0.047 5.8 3 159927
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 1.3 1.37 82.9 0.54 0.54 0.751 0.399 1.3 3.2
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) 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 4JT3 1.3 28.76 151245 7876 88.71 0.1596 0.1575 0.1555 0.199 0.1975 RANDOM 21.974
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] 0.14 0.16 -0.14 -0.03
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.635 r_dihedral_angle_4_deg 16.841 r_dihedral_angle_3_deg 12.477 r_dihedral_angle_1_deg 6.244 r_rigid_bond_restr 2.077 r_angle_refined_deg 1.398 r_chiral_restr 0.1 r_gen_planes_refined 0.008 r_bond_refined_d 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 5003 Nucleic Acid Atoms Solvent Atoms 828 Heterogen Atoms 108
Software Software Software Name Purpose iMOSFLM data reduction SCALA data scaling MOLREP phasing DM phasing REFMAC refinement PDB_EXTRACT data extraction