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Total Chemical Synthesis, Covalent Structure Verification, and X-ray Structure of Bioactive Ts3 Toxin by Racemic Protein Crystallography
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2ASC
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.5 292 BIS-TRIS, Polyethylene glycol monomethyl ether 2,000
Crystal Properties Matthews coefficient Solvent content 2.01 38.69
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 19.322 α = 101.17 b = 30.406 β = 91.26 c = 52.468 γ = 98.61
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 CCD ADSC QUANTUM 315 2015-02-21 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 24-ID-E 0.979 APS 24-ID-E
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) 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 1.93 18.2 92 0.242 4.4 3.3 9391
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.93 1.98 92.6 0.635 1.5 3.1
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 FREE R-VALUE 2ASC 1.93 18.2 1.34 7934 382 91.43 0.2587 0.2564 0.2609 0.3043 0.2999
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]
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 12.032 f_angle_d 0.936 f_chiral_restr 0.035 f_bond_d 0.007 f_plane_restr 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 498 Nucleic Acid Atoms Solvent Atoms 67 Heterogen Atoms 18
Software Software Software Name Purpose PHENIX refinement PHASER phasing XDS data reduction XDS data scaling