8Q92

P301S Tau Filaments from the Brains of PS19 Transgenic Mouse Line

ELECTRON MICROSCOPY

---

Refinement

RMS Deviations
Key	Refinement Restraint Deviation
r_long_range_B_refined	18.529
r_long_range_B_other	18.518
r_dihedral_angle_3_deg	15.1
r_scangle_other	13.868
r_mcangle_it	8.071
r_mcangle_other	8.068
r_scbond_it	8.065
r_scbond_other	8.053
r_dihedral_angle_1_deg	6.955
r_mcbond_it	5.077
r_mcbond_other	5.067
r_dihedral_angle_2_deg	2.065
r_angle_refined_deg	1.196
r_angle_other_deg	0.556
r_chiral_restr	0.08
r_bond_refined_d	0.006
r_gen_planes_refined	0.006
r_gen_planes_other	0.002
r_bond_other_d	0.001
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
P301S Tau Protein Filament (PS19)

Specimen Preparation
Sample Aggregation State	FILAMENT
Vitrification Instrument	FEI VITROBOT MARK IV
Cryogen Name	ETHANE
Sample Vitrification Details

3D Reconstruction
Reconstruction Method	HELICAL
Number of Particles	36951
Reported Resolution (Å)	3.05
Resolution Method	FSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry Type	HELICAL
Axial Symmetry	C1
Axial Rise	4.71
Angular Rotation	-0.98

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

Data Acquisition
Detector Type	FEI FALCON IV (4k x 4k)
Electron Dose (electrons/Å**2)	30

Imaging Experiment	1
Date of Experiment
Temperature (Kelvin)
Microscope Model	FEI TITAN KRIOS
Minimum Defocus (nm)	1500
Maximum Defocus (nm)	2400
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging Mode	BRIGHT FIELD
Specimen Holder Model
Nominal Magnification	96000
Calibrated Magnification
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	300
Imaging Details

EM Software
Task	Software Package	Version
PARTICLE SELECTION	RELION	4.1
IMAGE ACQUISITION	EPU
CTF CORRECTION	CTFFIND	4.1
RECONSTRUCTION	RELION	4.1
MODEL REFINEMENT	Servalcat

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