ELECTRON MICROSCOPY

Sample

Mce1 lipid transporter composed of Mce1 MCE proteins (Mce1ABCDEF) and an ABC transporter (YrbE1A-B, 2 copies of MceG)

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details ?
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 160443
Reported Resolution (Å) 2.90
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 FLEXIBLE FIT
Refinement Target Cross-correlation coefficient
Overall B Value ?
Fitting Procedure ?
Details Model was initial fitted into the map using Chimera follow-by rigid body refinement in PHENIX. Models were further refined using PHENIX real-space refinement and then manually inspected in Coot.
Data Acquisition
Detector Type GATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å2) 60
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 800
Maximum Defocus (nm) 2400
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 105000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION Topaz 0.2.3
IMAGE ACQUISITION SerialEM ?
CTF CORRECTION cryoSPARC 3.3.1
MODEL FITTING UCSF Chimera v1.16
INITIAL EULER ASSIGNMENT cryoSPARC 3.3.1
FINAL EULER ASSIGNMENT cryoSPARC 3.3.1
CLASSIFICATION cryoSPARC 3.3.1
RECONSTRUCTION cryoSPARC 3.3.1
MODEL REFINEMENT PHENIX v1.20.1
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?