ELECTRON MICROSCOPY

Sample

AP-3 bound to myristoylated Arf1 (Q71L) and LAMPI on a lipid nanodisc; combined map

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument SPOTITON
Cryogen Name ETHANE
Sample Vitrification Details Commercialized version - chameleon
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 176749
Reported Resolution (Å) 4.5
Resolution Method FSC 0.143 CUT-OFF
Other Details Non-Uniform refinement in cryoSPARC. Map is a composite map of two focused refinements, combined using phenix.combine_focused_maps.
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 FEI FALCON IV (4k x 4k)
Electron Dose (electrons/Å2) 53.4
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 400
Maximum Defocus (nm) 1400
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 81000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION cryoSPARC 4.4.1
IMAGE ACQUISITION Leginon ?
CTF CORRECTION cryoSPARC 4.4.1
MODEL FITTING UCSF ChimeraX 1.7.1
INITIAL EULER ASSIGNMENT cryoSPARC 4.4.1
FINAL EULER ASSIGNMENT cryoSPARC 4.4.1
CLASSIFICATION cryoSPARC 4.4.1
RECONSTRUCTION cryoSPARC 4.4.1
MODEL REFINEMENT Rosetta 3.12
MODEL REFINEMENT PHENIX 1.21.1
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?