ELECTRON MICROSCOPY

Sample

Binary complex of Drs2p-Cdc50p with the regulatory lipid PI4P and transport substrate PS

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details Incubated with 0.1 mg/mL POPS for 1 hour. 3mM ATP was added to the sample just before application to the grid.
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 91415
Reported Resolution (Å) 3.1
Resolution Method FSC 0.143 CUT-OFF
Other Details non-uniform refinement in cryoSPARC v3
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol ?
Refinement Target correlation coefficient
Overall B Value 69.1
Fitting Procedure ?
Details Molecular dynamics flexible fitting and energy minimization in Gromacs
Data Acquisition
Detector Type GATAN K3 (6k x 4k)
Electron Dose (electrons/Å2) 60
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) ?
Maximum Defocus (nm) ?
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 2.7
Imaging Mode BRIGHT FIELD
Specimen Holder Model ?
Nominal Magnification ?
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION cryoSPARC 2
IMAGE ACQUISITION EPU ?
CTF CORRECTION cryoSPARC 2
MODEL FITTING PyMOL ?
MODEL FITTING Coot ?
INITIAL EULER ASSIGNMENT cryoSPARC 2
FINAL EULER ASSIGNMENT cryoSPARC 3
CLASSIFICATION cryoSPARC 2
RECONSTRUCTION cryoSPARC 3
MODEL REFINEMENT PHENIX ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
NONE ?