ELECTRON MICROSCOPY

Sample

human Argonaute-2 R315V/H316A - miR-122 in complex with a fully complementary target

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 264433
Reported Resolution (Å) 3.1
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 ?
Overall B Value ?
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type FEI FALCON IV (4k x 4k)
Electron Dose (electrons/Å2) 40
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TALOS ARCTICA
Minimum Defocus (nm) 1000
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 190000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 200
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION cryoSPARC 4.3
IMAGE ACQUISITION EPU ?
CTF CORRECTION cryoSPARC 4.3
MODEL FITTING UCSF ChimeraX 1.7.1
CLASSIFICATION cryoSPARC 4.3
RECONSTRUCTION cryoSPARC 4.3
MODEL REFINEMENT PHENIX 1.20.1
MODEL REFINEMENT Coot 0.9.8.1
MODEL REFINEMENT UCSF ChimeraX 1.7.1
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?
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