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Structure of an amyloid forming peptide NKGAII (residues 27-32) from amyloid beta
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 291 reservoir contained 2.4M Sodium Malonate, 15% v/v Glycerol, vapor diffusion, hanging drop, temperature 291K
Crystal Properties Matthews coefficient Solvent content 1.42 13.11
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 15.074 α = 90 b = 4.838 β = 95.56 c = 24.016 γ = 90
Symmetry Space Group P 1 21 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 CCD ADSC QUANTUM 315 2010-04-26 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 24-ID-E 0.9792 APS 24-ID-E
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 1.45 100 90.9 0.122 11.3 3.1 671 671
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 1.45 1.5 94.6 0.322 3.2 70
Refinement Statistics Diffraction ID Structure Solution Method Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (All) 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 1.451 23.903 0.31 656 656 71 88.77 0.2095 0.2041 0.2066 0.2589 0.2654 RANDOM 4.9282
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] -3.441 -0.7136 -3.622 2.0179
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 7.45 f_angle_d 1.869 f_chiral_restr 0.093 f_bond_d 0.011 f_plane_restr 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 43 Nucleic Acid Atoms Solvent Atoms 2 Heterogen Atoms
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling PHASER phasing PHENIX refinement PDB_EXTRACT data extraction