8D4E

ELECTRON MICROSCOPY

Sample

Complex of AP-1, Arf1, Nef and MHC-I cytosolic tail on a tubulated lipid bilayer

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details 60 second wait, 3-5 second blot, 597 filter paper, 0.5 second drain. Sample was supplemented with 10nm BSA-gold fiducials. 3.5ul of the mixture was double-side blotted.
3D Reconstruction
Reconstruction Method SUBTOMOGRAM AVERAGING
Number of Particles 18183
Reported Resolution (Å) 9.2
Resolution Method FSC 0.143 CUT-OFF
Other Details ?
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space ?
Refinement Protocol RIGID BODY FIT
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type GATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å2) 3
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 1500
Maximum Defocus (nm) 4500
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 42000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
VOLUME SELECTION Dynamo 1.1.532
IMAGE ACQUISITION SerialEM ?
CTF CORRECTION NOVACTF ?
MODEL FITTING UCSF Chimera 1.14
MODEL FITTING UCSF ChimeraX 1.3
MODEL REFINEMENT PHENIX 1.20-4459
RECONSTRUCTION RELION 3.1.1
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING ONLY CTF was estimated on a per-tilt basis in IMOD (4.11) using CTFPLOTTER. The results were used as input to NOVACTF during 3DCTF correction.