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Structure of the amyloid forming peptide ANFLVH (residues 13-18) from islet amyloid polypeptide
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 291 20 mg/ml in water and mixed with 10% (w/v) PEG-8000, 0.1 M Na/K phosphate pH 6.2, and 0.2 M NaCl
Crystal Properties Matthews coefficient Solvent content 1.31 6.32
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 4.831 α = 90 b = 39.726 β = 103.69 c = 9.869 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 291 CCD ADSC QUANTUM 315 2009-11-24 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 24-ID-E 0.979 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 1.6 90 93.32 0.147 6.55 3.1 433
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.6 1.72 87 9.7
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 1.61 19.863 0.31 433 44 93.32 0.1179 0.1127 0.1056 0.1612 0.1571
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] 0.6585 0.4612 -3.0109 2.3524
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 16.988 f_angle_d 0.704 f_chiral_restr 0.058 f_bond_d 0.003 f_plane_restr 0.003
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 50 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms
Software Software Software Name Purpose PHENIX refinement PHASER phasing DENZO data reduction