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Crystal structure of 14-3-3 sigma in complex with Tau pS214 peptide and covalent stabilizer JS18
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4FL5
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 277 10mg/mL 14-3-3sigma delta C, 1.5eq peptide, 0.095 M HEPES pH 7.1, 28% PEG400, 0.19 M CaCl2, 5% (v/v) glycerol
compound soaked
Crystal Properties Matthews coefficient Solvent content 2.68 54.04
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 82.161 α = 90 b = 112.206 β = 90 c = 62.35 γ = 90
Symmetry Space Group C 2 2 21
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 4M 2023-07-12 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE MASSIF-3 0.967697 ESRF MASSIF-3
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 1.55 62.35 99.8 0.999 25.2 13.7 42025
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 1.55 1.58 0.943
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 1.55 45.46 39940 2085 99.7 0.18145 0.17989 0.1935 0.21138 0.2218 RANDOM 22.122
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] 1.03 -0.2 -0.83
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 54.302 r_dihedral_angle_3_deg 13.99 r_long_range_B_refined 5.757 r_long_range_B_other 5.7 r_dihedral_angle_1_deg 5.406 r_scangle_other 4.169 r_mcangle_other 2.879 r_mcangle_it 2.871 r_scbond_it 2.627 r_scbond_other 2.626
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 54.302 r_dihedral_angle_3_deg 13.99 r_long_range_B_refined 5.757 r_long_range_B_other 5.7 r_dihedral_angle_1_deg 5.406 r_scangle_other 4.169 r_mcangle_other 2.879 r_mcangle_it 2.871 r_scbond_it 2.627 r_scbond_other 2.626 r_mcbond_it 1.715 r_mcbond_other 1.714 r_angle_refined_deg 1.266 r_angle_other_deg 0.503 r_chiral_restr 0.064 r_bond_refined_d 0.014 r_gen_planes_refined 0.006 r_bond_other_d 0.001 r_gen_planes_other 0.001
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1877 Nucleic Acid Atoms Solvent Atoms 198 Heterogen Atoms 20
Software Software Software Name Purpose REFMAC refinement autoPROC data processing Aimless data scaling Coot model building MOLREP phasing