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X-ray crystallographic structure of a covalent trimer derived from A-beta 17_36 containing the I31V point mutation
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 296.15 0.1 M tirs pH 9.0, 0.2 M magnesium chloride, 2.7 M 1,6-hexanediol
Crystal Properties Matthews coefficient Solvent content 3.21 61.68
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 57.685 α = 90 b = 57.685 β = 90 c = 94.683 γ = 120
Symmetry Space Group P 63 2 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 123 CCD RIGAKU SATURN 92 2018-05-02 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU MICROMAX-007 HF 1.54
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 2.1 47.34 99.9 1 35.7 17.6 5880
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 2.1 2.17 99.1 0.886 2.7 13.9
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-Work (DCC) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION SAD FREE R-VALUE 2.105 27.591 1.34 5880 1038 99.96 0.2299 0.2259 0.2291 0.2638 0.2669
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 26.373 f_angle_d 1.201 f_chiral_restr 0.141 f_bond_d 0.008 f_plane_restr 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 488 Nucleic Acid Atoms Solvent Atoms 20 Heterogen Atoms 24
Software Software Software Name Purpose PHENIX refinement XDS data reduction Aimless data scaling PHASER phasing