6C4O

AMYLOID FORMING PEPTIDE TIAALLS FROM TRANSTHYRETIN


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP298TIAALLS crystals were grown from 5mg/mL peptide and 10% acetonitrile. The reservoir contained 100mM Tris pH 8.5 and 0.3 M magnesium formate dihydrate. Crystals were soaked on 25% Glycerol prior to diffraction
Crystal Properties
Matthews coefficientSolvent content
1.518.08

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 9.597α = 90
b = 17.306β = 95.76
c = 24.998γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152017-11-08MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 24-ID-E0.9792APS24-ID-E

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
11.799097.50.2174.43.5784
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)
11.81.9493.40.5562.8

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1.7914.216928595.570.18690.18210.2278RANDOM6.636
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]
-0.810.20.850.01
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_3_deg10.264
r_dihedral_angle_1_deg5.111
r_angle_refined_deg1.641
r_angle_other_deg0.858
r_chiral_restr0.086
r_bond_refined_d0.014
r_gen_planes_refined0.006
r_bond_other_d0.001
r_gen_planes_other
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms96
Nucleic Acid Atoms
Solvent Atoms5
Heterogen Atoms

Software

Software
Software NamePurpose
SCALEPACKdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
DENZOdata reduction
PHASERphasing