ELECTRON MICROSCOPY

Sample

Structure of human 1918 influenza A polymerase heterotrimer in complex with WSN NEP

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 35000
Reported Resolution (Å) 2.93
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 RIGID BODY FIT
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type TFS FALCON 4i (4k x 4k)
Electron Dose (electrons/Å2) 50
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model TFS KRIOS
Minimum Defocus (nm) 5000
Maximum Defocus (nm) 24000
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
PARTICLE SELECTION cryoSPARC 4.2 - 4.7
IMAGE ACQUISITION EPU 3.14
CTF CORRECTION cryoSPARC 4.2 - 4.7
MODEL FITTING UCSF ChimeraX 1.7
MODEL FITTING Coot 0.9.8.3
MODEL REFINEMENT PHENIX 1.19.2
INITIAL EULER ASSIGNMENT cryoSPARC 4.2 - 4.7
FINAL EULER ASSIGNMENT cryoSPARC 4.2 - 4.7
CLASSIFICATION cryoSPARC 4.2 - 4.7
RECONSTRUCTION cryoSPARC 4.2 - 4.7
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?
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