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Discovery of CNS Penetrant Transthyretin (TTR) Stabilizers with Heterocyclic Linkers
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3TCT
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 293 200 mM CaCl2, 100 mM HEPES pH 7.5, 28% PEG400.
Crystal Properties Matthews coefficient Solvent content 2.14 42.64
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 85.44 α = 90 b = 42.95 β = 90 c = 64.41 γ = 90
Symmetry Space Group P 21 21 2
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 EIGER X 16M 2019-12-04 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 17-ID 0.95374 APS 17-ID
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge 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 1.652 64.41 85.3 0.079 0.087 0.036 0.992 17.7 5.2 24753
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.652 1.717 0.599 0.749 0.442 0.481 2
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method 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 1.65 64.41 24753 1222 84.6 0.1854 0.1836 0.1764 0.2195 0.2056 RANDOM 19.07
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] 1.5237 2.3493 -3.873
RMS Deviations Key Refinement Restraint Deviation t_other_torsion 15.07 t_omega_torsion 3.93 t_angle_deg 1.04 t_bond_d 0.009 t_dihedral_angle_d t_gen_planes t_it t_chiral_improper_torsion t_ideal_dist_contact
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1785 Nucleic Acid Atoms Solvent Atoms 228 Heterogen Atoms 42
Software Software Software Name Purpose BUSTER refinement XDS data reduction STARANISO data scaling PHASER phasing