ELECTRON MICROSCOPY

Sample

Nanobody AB6 in complex with poliovirus P1/Mahoney

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument HOMEMADE PLUNGER
Cryogen Name ETHANE
Sample Vitrification Details Blotted for 2 seconds before plunging into liquid ethane (homemade plunger).
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 57282
Reported Resolution (Å) 4.8
Resolution Method FSC 0.143 CUT-OFF
Other Details (Single particle details: The particles were processed using frealign.) (Single particle--Applied symmetry: I)
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space RECIPROCAL
Refinement Protocol FLEXIBLE FIT
Refinement Target Stereochemically restrained maximum likelihood refinement of both Fourier phase and amplitude agreement
Overall B Value ?
Fitting Procedure ?
Details REFINEMENT PROTOCOL--Rigid body with some flexible loops and side chains DETAILS--LSQKAB was applied after each refinement cycle to re-impose exact icosahedral operators and rigid body constraints.
Data Acquisition
Detector Type GATAN ULTRASCAN 4000 (4k x 4k)
Electron Dose (electrons/Å2) 25
Imaging Experiment
Date of Experiment 2012-10-17
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 1000
Maximum Defocus (nm) 3000
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 2.6
Imaging Mode BRIGHT FIELD
Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification 96000
Calibrated Magnification 89232
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 200
Imaging Details ?
Imaging Experiment
Task Software Package Version
MODEL FITTING Coot ?
MODEL FITTING REFMAC 5
MODEL FITTING SPDBV ?
RECONSTRUCTION FREALIGN ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
. per particle