8AZU

Paired helical tau filaments from high-spin supernatants of aqueous extracts from Alzheimer's disease brains | PHF Tau


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
r_lrange_it26.209
r_lrange_other26.202
r_scangle_it20.395
r_scangle_other20.37
r_dihedral_angle_6_deg14.804
r_mcangle_it14.557
r_mcangle_other14.537
r_dihedral_angle_1_deg12.505
r_dihedral_angle_3_deg12.416
r_scbond_it12.07
RMS Deviations
KeyRefinement Restraint Deviation
r_lrange_it26.209
r_lrange_other26.202
r_scangle_it20.395
r_scangle_other20.37
r_dihedral_angle_6_deg14.804
r_mcangle_it14.557
r_mcangle_other14.537
r_dihedral_angle_1_deg12.505
r_dihedral_angle_3_deg12.416
r_scbond_it12.07
r_scbond_other12.05
r_mcbond_it9.894
r_mcbond_other9.885
r_dihedral_angle_2_deg4.466
r_angle_refined_deg1.474
r_angle_other_deg0.577
r_symmetry_nbd_refined0.222
r_xyhbond_nbd_refined0.175
r_nbd_refined0.173
r_nbd_other0.166
r_nbtor_refined0.158
r_symmetry_nbd_other0.154
r_symmetry_xyhbond_nbd_refined0.078
r_symmetry_nbtor_other0.077
r_chiral_restr0.065
r_bond_refined_d0.007
r_gen_planes_refined0.007
r_gen_planes_other0.004
r_bond_other_d
Sample
Paired helical tau filament in soluble high-molecular weight aggregate fractions extracted from the Alzheimer's disease brain
Specimen Preparation
Sample Aggregation StateFILAMENT
Vitrification Instrument
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodHELICAL
Number of Particles44535
Reported Resolution (Å)3.1
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypeHELICAL
Axial SymmetryC1
Axial Rise2.4
Angular Rotation179.4
Map-Model Fitting and Refinement
Id1 (6HRE)
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)40
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1000
Maximum Defocus (nm)2400
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
MODEL FITTINGCoot
RECONSTRUCTIONRELION
MODEL REFINEMENTREFMAC
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION