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The internal aldimine form of Salmonella typhimurium Tryptophan Synthase mutant beta-Q114A with cesium ion at the metal coordination site. A random beta-P270L mutation was inserted during PCR step
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6X0C
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8 298 50 mM Bicine-CsOH, 9% PEG 8,000, 4 mM Spermine
Crystal Properties Matthews coefficient Solvent content 2.55 51.84
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 182.939 α = 90 b = 58.379 β = 94.63 c = 67.199 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 2020-04-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 24-ID-C 0.979200 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) 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 1.57 91.171 98.6 0.077 0.077 0.103 0.047 0.995 9 4.7 97213
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 1.57 1.65 99.1 0.628 0.628 0.824 0.377 1.2 4.7
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 6X0C 1.57 39.18 92248 4889 98.37 0.2009 0.199 0.1995 0.2363 0.2368 RANDOM 29.468
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] -0.13 0.07 0.07 0.04
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.031 r_dihedral_angle_4_deg 19.429 r_dihedral_angle_3_deg 12.779 r_dihedral_angle_1_deg 6.487 r_angle_refined_deg 1.688 r_chiral_restr 0.107 r_gen_planes_refined 0.011 r_bond_refined_d 0.01
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4906 Nucleic Acid Atoms Solvent Atoms 692 Heterogen Atoms 158
Software Software Software Name Purpose XDS data reduction SCALA data scaling MOLREP phasing DM phasing REFMAC refinement PDB_EXTRACT data extraction