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X-ray Crystallographic Structure of a Giant Double-Walled Peptide Nanotube Formed by a Macrocyclic Beta-Sheet Containing ABeta16-22
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5.5 296 0.1 M bis-Tris at pH 5.5, 0.2 M ammonium acetate, and 45% v/v 2-methyl-2,4-pentanediol
Crystal Properties Matthews coefficient Solvent content 2.57 52.19
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 121.22 α = 90 b = 121.22 β = 90 c = 29.958 γ = 120
Symmetry Space Group P 61 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 130 CCD RIGAKU SATURN 944 2016-08-08 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU MICROMAX-007 HF 1.5418
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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 19.839 99.99 0.05179 0.994 36.78 2 14394
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.1 2.175 100 0.1482 6.54 2
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 2.1 19.839 1.34 14394 1443 99.99 0.2244 0.2188 0.2355 0.273 0.2916
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 22.645 f_angle_d 1.445 f_chiral_restr 0.059 f_bond_d 0.009 f_plane_restr 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 828 Nucleic Acid Atoms Solvent Atoms 38 Heterogen Atoms
Software Software Software Name Purpose PHENIX refinement XDS data reduction Aimless data scaling CrystalClear data collection PHENIX phasing