8CG3

Structure of TDP-43 amyloid filament from type A FTLD-TDP (variant 1)

ELECTRON MICROSCOPY

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Refinement

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	14.136
r_long_range_B_other	12.7
r_long_range_B_refined	12.658
r_scangle_other	9.218
r_mcangle_it	7.056
r_mcangle_other	7.052
r_dihedral_angle_1_deg	6.851
r_scbond_it	5.588
r_scbond_other	5.558
r_mcbond_it	4.13
r_dihedral_angle_2_deg	4.121
r_mcbond_other	4.062
r_angle_refined_deg	1.713
r_angle_other_deg	0.483
r_chiral_restr	0.062
r_bond_refined_d	0.008
r_gen_planes_refined	0.005
r_bond_other_d
r_dihedral_angle_4_deg
r_gen_planes_other
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
TDP-43 amyloid filaments extracted from the frontal cortex of an individual with type A FTLD-TDP

Specimen Preparation
Sample Aggregation State	FILAMENT
Vitrification Instrument
Cryogen Name	ETHANE
Sample Vitrification Details

3D Reconstruction
Reconstruction Method	HELICAL
Number of Particles	71963
Reported Resolution (Å)	2.39
Resolution Method	FSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry Type	HELICAL
Axial Symmetry	C1
Axial Rise	4.996
Angular Rotation	1.175

Map-Model Fitting and Refinement
Id	1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details

Data Acquisition
Detector Type	GATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)	35.896

Imaging Experiment	1
Date of Experiment
Temperature (Kelvin)
Microscope Model	FEI TITAN KRIOS
Minimum Defocus (nm)	1000
Maximum Defocus (nm)	2200
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging Mode	BRIGHT FIELD
Specimen Holder Model
Nominal Magnification
Calibrated Magnification
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	300
Imaging Details

EM Software
Task	Software Package	Version
IMAGE ACQUISITION	EPU
RECONSTRUCTION	RELION	4.0

Image Processing
CTF Correction Type	CTF Correction Details	Number of Particles Selected	Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION