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Structure of the amyloid-forming peptide LYIQNL, grown without ethanol
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details other Other ideal 5 residue beta strand
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 EVAPORATION, RECRYSTALLIZATION 4.8 310 the peptide was dissolved in 0.1M acetate buffer, pH 4.80 at 0.12 mg/mL concentration and incubated at 310K
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 4.848 α = 90 b = 20.005 β = 90 c = 42.65 γ = 90
Symmetry Space Group P 21 21 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 RIGAKU HyPix-6000HE 2022-06-20 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU PhotonJet-R 1.54184
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) Rrim 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 1.55 18.11 94.01 0.16 0.998 7.4 4.83 706 8.19
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Rrim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.55 1.61 68.83 0.414 0.92 3.5
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 MOLECULAR REPLACEMENT FREE R-VALUE 1.55 18.11 1.53 704 70 93.74 0.2352 0.2344 0.2344 0.2437 0.2469 9.13
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 16.244 f_angle_d 1.0344 f_chiral_restr 0.0643 f_bond_d 0.0127 f_plane_restr 0.0056
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 51 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms
Software Software Software Name Purpose PHENIX refinement CrysalisPro data reduction CrysalisPro data scaling Fragon phasing