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X-ray crystallographic structure of a beta-hairpin peptide mimic derived from Abeta 16-36 ORN-LYS-LEU-VAL-H7V-PHE-ALA-GLU-ORN-ALA-ILE-ILE-GLY-LEU-MET-VAL
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 5W4H
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 296 0.1 M HEPES buffer, 0.25 M magnesium chloride, isopropanol
Crystal Properties Matthews coefficient Solvent content 2.37 48.18
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 67.511 α = 90 b = 67.511 β = 90 c = 67.511 γ = 90
Symmetry Space Group P 4 3 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 115 PIXEL DECTRIS PILATUS 6M 2023-03-11 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 5.0.2 1.0 ALS 5.0.2
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 1.58 38.98 99.95 0.05796 33.09 62.6 13661
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 1.58 1.64 0.0818
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method 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-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 1.58 38.98 1.34 13661 1358 99.99 0.2125 0.211 0.225 0.2545
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 39.009 f_angle_d 2.302 f_chiral_restr 0.176 f_bond_d 0.018 f_plane_restr 0.011
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 375 Nucleic Acid Atoms Solvent Atoms 15 Heterogen Atoms
Software Software Software Name Purpose PHENIX refinement XDS data reduction Aimless data scaling PHENIX phasing