ELECTRON MICROSCOPY

Sample

Sec61 protein conducting channel opened by the pre-prolactin signal sequence

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK I
Cryogen Name ETHANE
Sample Vitrification Details 3 uL sample was added to the grid, incubated for 30 seconds at 4 C, blotted for 9 seconds, and then plunged into liquid ethane (FEI VITROBOT).
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 101339
Reported Resolution (Å) 3.6
Resolution Method ?
Other Details ?
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol ?
Refinement Target R-factor
Overall B Value ?
Fitting Procedure ?
Details DETAILS--Real-space fitting using Chimera and Coot followed by reciprocal-space refinement using REFMAC
Data Acquisition
Detector Type FEI FALCON II (4k x 4k)
Electron Dose (electrons/Å2) 27
Imaging Experiment
Date of Experiment 2015-03-06
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 2000
Maximum Defocus (nm) 3500
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS ?
Imaging Mode BRIGHT FIELD
Specimen Holder Model ?
Nominal Magnification 59000
Calibrated Magnification 104478
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
MODEL FITTING Coot ?
MODEL FITTING REFMAC ?
MODEL FITTING UCSF Chimera ?
RECONSTRUCTION RELION ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details