ELECTRON MICROSCOPY

Sample

rabbit skeletal alpha-actin in the filamentous state.

Specimen Preperation
Sample Aggregation State FILAMENT
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details The Vitrobot was operated at 13 degrees celsius and the samples were blotted for 9 seconds with a blot force of -25.
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 2228553
Reported Resolution (Å) 2.17
Resolution Method FSC 0.143 CUT-OFF
Other Details ?
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol FLEXIBLE FIT
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type GATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å2) 78.9
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 700
Maximum Defocus (nm) 2000
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 2.7
Imaging Mode BRIGHT FIELD
Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification 130000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION crYOLO 1.8
IMAGE ACQUISITION EPU ?
CTF CORRECTION CTFFIND 4.13
MODEL FITTING UCSF ChimeraX 1.3
INITIAL EULER ASSIGNMENT SPHIRE 1.4
FINAL EULER ASSIGNMENT RELION 3.1.0
CLASSIFICATION RELION 3.1.0
RECONSTRUCTION RELION 3.1.0
MODEL REFINEMENT PHENIX v1.20.1-4487
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?