Skip to main content

 34RF | pdb_000034rf

Paired helical filament from Alzheimer's disease brain (AD seed)


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
r_long_range_B_other24.461
r_long_range_B_refined24.458
r_scangle_other18.834
r_mcangle_it12.802
r_mcangle_other12.796
r_dihedral_angle_3_deg11.746
r_scbond_other11.129
r_scbond_it11.125
r_dihedral_angle_1_deg9.456
r_mcbond_it8.25
RMS Deviations
KeyRefinement Restraint Deviation
r_long_range_B_other24.461
r_long_range_B_refined24.458
r_scangle_other18.834
r_mcangle_it12.802
r_mcangle_other12.796
r_dihedral_angle_3_deg11.746
r_scbond_other11.129
r_scbond_it11.125
r_dihedral_angle_1_deg9.456
r_mcbond_it8.25
r_mcbond_other8.249
r_dihedral_angle_2_deg2.417
r_angle_refined_deg1.545
r_angle_other_deg0.535
r_chiral_restr0.078
r_bond_refined_d0.007
r_gen_planes_refined0.005
r_gen_planes_other0.002
r_bond_other_d
r_dihedral_angle_4_deg
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Sample
Paired helical filament from Alzheimer's disease brain (AD seed)
Specimen Preparation
Sample Aggregation StateTISSUE
Vitrification Instrument
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodHELICAL
Number of Particles271595
Reported Resolution (Å)2.8
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypeHELICAL
Axial SymmetryC1
Axial Rise2.41
Angular Rotation179.46
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeTFS FALCON 4i (4k x 4k)
Electron Dose (electrons/Å**2)40
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)1000
Maximum Defocus (nm)2500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONRELION5.1
RECONSTRUCTIONRELION5.1
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION