ELECTRON MICROSCOPY

Sample

Human myoferlin (1-1997) in complex with an MSP2N2 lipid nanodisc (comprising 25 mol% DOPS, 5 mol% PI(4,5)P2 and 5 mol% Cholesterol)

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE-PROPANE
Sample Vitrification Details After the application of 3 uL crosslinked sample (at A280~1.06 (dataset 1) or A280~0.83 (dataset 2) concentrations), the grids were blotted for 8 s (dataset 1) or 9 s (dataset 2) using a blot force 3.
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 319420
Reported Resolution (Å) 2.65
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 AB INITIO MODEL
Refinement Target ?
Overall B Value 139.6
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type FEI FALCON IV (4k x 4k)
Electron Dose (electrons/Å2) 38.03
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model TFS KRIOS
Minimum Defocus (nm) 800
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 165000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION cryoSPARC v.4.5
IMAGE ACQUISITION EPU v.3.6
CTF CORRECTION cryoSPARC v.4.5
MODEL FITTING ISOLDE ?
MODEL FITTING UCSF ChimeraX v.1.8
INITIAL EULER ASSIGNMENT cryoSPARC v.4.5
FINAL EULER ASSIGNMENT cryoSPARC v.4.5
CLASSIFICATION cryoSPARC v.4.5
RECONSTRUCTION cryoSPARC v.4.5
MODEL REFINEMENT PHENIX 1.21.2_5419
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?
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