ELECTRON MICROSCOPY

Sample

PA26-bound proteasome

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument HOMEMADE PLUNGER
Cryogen Name ETHANE
Sample Vitrification Details Specimens were manually blotted with Whatman #1 filter paper.
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 234960
Reported Resolution (Å) 3.0
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 RIGID BODY FIT
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å2) 50
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) -1000
Maximum Defocus (nm) -2500
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 29000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details Images were acquired in nanoprobe mode.
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION RELION 2.1
IMAGE ACQUISITION Leginon 3.2
CTF CORRECTION MotionCorr2 2
CTF CORRECTION RELION 2.1
CTF CORRECTION CTFFIND 4
CTF CORRECTION Gctf ?
MODEL FITTING UCSF Chimera 1.12
MODEL FITTING PHENIX 1.11-2580
INITIAL EULER ASSIGNMENT RELION 2.1
FINAL EULER ASSIGNMENT RELION 2.1
RECONSTRUCTION RELION 2.1
MODEL REFINEMENT PHENIX 1.11-2580
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION CTF correction was performed by Relion during reconstruction.
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