3JD0

ELECTRON MICROSCOPY

Sample

Binary complex of bovine glutamate dehydrogenase with GTP

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details Blot for about 4 seconds before plunging into liquid ethane (FEI VITROBOT MARK IV).
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 39439
Reported Resolution (Å) 3.47
Resolution Method FSC 0.143 CUT-OFF
Other Details (Single particle details: The particles were selected using an automatic selection program.) (Single particle--Applied symmetry: D3)
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol FLEXIBLE FIT
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details REFINEMENT PROTOCOL--flexible
Data Acquisition
Detector Type GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å2) 45
Imaging Experiment
Date of Experiment 2014-05-15
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 1000
Maximum Defocus (nm) 2500
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 78426
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details The total exposure time was 15.2 seconds. Intermediate frames were recorded every 0.4 seconds, resulting in a total of 38 frames per image.
Imaging Experiment
Task Software Package Version
CTF CORRECTION CTFFIND 3
MODEL FITTING Coot ?
MODEL FITTING PHENIX ?
MODEL FITTING Rosetta ?
MODEL FITTING UCSF Chimera ?
RECONSTRUCTION EMAN 2
RECONSTRUCTION RELION ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
. Each micrograph