ELECTRON MICROSCOPY

Sample

mTMEM16A with calcium ions bound

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details 2 ul sample volume 2-4 sec blotting time
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 147368
Reported Resolution (Å) 3.75
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 K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å2) 80
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 500
Maximum Defocus (nm) 3000
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 46511
Calibrated Magnification 46511
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION RELION 2.1b1
IMAGE ACQUISITION SerialEM ?
CTF CORRECTION CTFFIND 4.1.8
MODEL FITTING Coot ?
INITIAL EULER ASSIGNMENT RELION 21b1
FINAL EULER ASSIGNMENT RELION 2.1b1
CLASSIFICATION RELION 2.1b1
RECONSTRUCTION RELION 2.1b1
MODEL REFINEMENT PHENIX ?
MODEL REFINEMENT REFMAC 5
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION The contrast transfer function (CTF) parameters were estimated on the movie frames by ctffind4.1