4TUT

Structure of a Prion peptide


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP6.52930.1 M sodium cacodylate pH 6.5, 1.3 M sodium acetate, and 25 % ethylene glycol
Crystal Properties
Matthews coefficientSolvent content
1.42

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 10.395α = 90
b = 9.731β = 105.94
c = 17.382γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 300 mm CCD2010-11-18MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 23-ID-D0.72932APS23-ID-D

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)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
10.95071.40.06627.4418621.55
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
10.90.9332.30.0681.982

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-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONAB INITIO PHASINGFREE R-VALUE0.99.9962.3218608071.480.07120.070.098Random selection2.497
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_d6.074
f_angle_d1.365
f_chiral_restr0.058
f_plane_restr0.01
f_bond_d0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms41
Nucleic Acid Atoms
Solvent Atoms5
Heterogen Atoms

Software

Software
Software NamePurpose
PHENIXrefinement
HKL-3000data reduction
PDB_EXTRACTdata extraction
DENZOdata reduction
SCALEPACKdata scaling