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Structure of the amyloid-forming peptide Ac-YLESLM-OH from human PHM


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1EVAPORATION, RECRYSTALLIZATION310the peptide was dissolved at 1 mg/ml in water containing 30% (v/v) acetonitrile (pH 4) and incubated at 310 K
Crystal Properties
Matthews coefficientSolvent content
1.43

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 27.29α = 90
b = 9.51β = 118.571
c = 19.01γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray310PIXELRIGAKU HyPix-6000HE2024-06-24MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU PhotonJet-R1.54184

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)Rrim I (All)CC (Half)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
11.24613.16494.10.0730.99814.43.412105.66
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Rrim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.2461.3710.3160.8373.1

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 DIFFRACTIONAB INITIO PHASINGFREE R-VALUE1.2513.161.4212076695.260.09150.09110.09110.0960.0964.84
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
KeyRefinement Restraint Deviation
f_dihedral_angle_d35.6916
f_angle_d1.2011
f_chiral_restr0.0893
f_bond_d0.0092
f_plane_restr0.0047
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms52
Nucleic Acid Atoms
Solvent Atoms3
Heterogen Atoms3

Software

Software
Software NamePurpose
PHENIXrefinement
autoPROCdata reduction
XSCALEdata scaling
SHELXTphasing