ELECTRON MICROSCOPY

Sample

Mouse otoferlin (residues 216-1931) in complex with an MSP2N2 lipid nanodisc (merged datasets)

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE-PROPANE
Sample Vitrification Details Prior to vitrification, the sample (3 uL) was blotted for 9 s with a blot force of 3, then plunged into liquid ethane/propane cooled by liquid nitrogen.
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 1170290
Reported Resolution (Å) 2.27
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 OTHER
Refinement Target ?
Overall B Value 84.15
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type FEI FALCON IV (4k x 4k)
Electron Dose (electrons/Å2) 37.97
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model TFS KRIOS
Minimum Defocus (nm) 800
Maximum Defocus (nm) 2300
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.4.7
IMAGE ACQUISITION EPU v.3.6
CTF CORRECTION cryoSPARC v.4.7
MODEL FITTING UCSF ChimeraX v.1.8
INITIAL EULER ASSIGNMENT cryoSPARC v.4.7
FINAL EULER ASSIGNMENT cryoSPARC v.4.7
CLASSIFICATION cryoSPARC v.4.7
RECONSTRUCTION RELION v.5.0
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 ?