ELECTRON MICROSCOPY

Sample

Pentameric complex of HCMV proteins gH, gL, UL128, UL130, UL131A bound to Neuropilin 2 and fabs of human neutralizing antibodies 8I21 and 13H11

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument LEICA EM GP
Cryogen Name ETHANE
Sample Vitrification Details blot for 3.5 seconds before plunging
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 2252924
Reported Resolution (Å) 3.1
Resolution Method FSC 0.143 CUT-OFF
Other Details A composite map was generated from the three individual focused 3D maps.
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space ?
Refinement Protocol ?
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å2) 52
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 500
Maximum Defocus (nm) 1500
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 165000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION Gautomatch 0.56
IMAGE ACQUISITION SerialEM 3.7.11
CTF CORRECTION CTFFIND 4.1.13
MODEL FITTING Coot 0.89
INITIAL EULER ASSIGNMENT cisTEM 1.02
FINAL EULER ASSIGNMENT cisTEM 1.02
CLASSIFICATION RELION 3.1
RECONSTRUCTION cisTEM 1.02
MODEL REFINEMENT PHENIX 1.19.2
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?
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