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Crystal structure of a prion peptide
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION 293 0.2 M sodium thiocyanate and 2.2 M ammonium sulfate
Crystal Properties Matthews coefficient Solvent content 1.56 21.33
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 11.609 α = 90 b = 18.107 β = 105.24 c = 17.843 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 MARMOSAIC 300 mm CCD 2011-10-20 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 23-ID-B 0.77490 APS 23-ID-B
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 50 83.2 0.074 14.4 2.9 3289 2.56
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 1.04 59.6 0.113 2 239
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) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION AB INITIO PHASING FREE R-VALUE 1.001 12.476 2.15 3281 146 83.21 0.0886 0.0877 0.0875 0.1104 0.1104 Random selection 2.7193
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 6.651 f_angle_d 1.358 f_chiral_restr 0.053 f_bond_d 0.006 f_plane_restr 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 82 Nucleic Acid Atoms Solvent Atoms 10 Heterogen Atoms 1
Software Software Software Name Purpose HKL-2000 data reduction PDB_EXTRACT data extraction HKL-2000 data scaling PHENIX refinement SHELX phasing DENZO data reduction SCALEPACK data scaling