3JAD

ELECTRON MICROSCOPY

Sample

Zebra fish alpha-1 glycine receptor bound with strychnine

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK III
Cryogen Name ETHANE
Sample Vitrification Details Blot for 3.5 seconds before plunging into liquid ethane (FEI VITROBOT MARK III).
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 37094
Reported Resolution (Å) 3.9
Resolution Method FSC 0.143 CUT-OFF
Other Details Particle picking, 2D classification, 3D classification, refinement, and reconstruction were done using Relion. Movies were aligned using motioncorr. (Single particle--Applied symmetry: C5)
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol RIGID BODY FIT
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details REFINEMENT PROTOCOL--rigid body DETAILS--The model (3RHW) was fit into the density map using UCSF Chimera. Further de novo model building was done using COOT.
Data Acquisition
Detector Type GATAN K2 (4k x 4k)
Electron Dose (electrons/Å2) 49
Imaging Experiment
Date of Experiment 2014-11-03
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) -1500
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 ?
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
MODEL FITTING UCSF Chimera ?
RECONSTRUCTION RELION ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
. each particle