ELECTRON MICROSCOPY

Sample

Bacillus phage SPP1

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK II
Cryogen Name ETHANE
Sample Vitrification Details ?
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 4558
Reported Resolution (Å) 4.5
Resolution Method FSC 0.5 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 GATAN K2 BASE (4k x 4k)
Electron Dose (electrons/Å2) 25
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI POLARA 300
Minimum Defocus (nm) 900
Maximum Defocus (nm) 2500
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 2.3
Imaging Mode BRIGHT FIELD
Specimen Holder Model GATAN 910 MULTI-SPECIMEN SINGLE TILT CRYO TRANSFER HOLDER
Nominal Magnification 39000
Calibrated Magnification 39000
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION EMAN2 ?
IMAGE ACQUISITION Leginon ?
CTF CORRECTION CTFFIND 4
MODEL FITTING Coot ?
INITIAL EULER ASSIGNMENT IMAGIC 5
FINAL EULER ASSIGNMENT IMAGIC 5
CLASSIFICATION IMAGIC 5
RECONSTRUCTION IMAGIC 5
MODEL REFINEMENT Coot ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING ONLY Assessment of the contrast transfer function of the microscope was done using CTFFIND4