ELECTRON MICROSCOPY

Sample

Nucleotide-free kinesin bound to a 13-protofilament microtubule

Specimen Preperation
Sample Aggregation State FILAMENT
Vitrification Instrument HOMEMADE PLUNGER
Cryogen Name ETHANE
Sample Vitrification Details ETHANE
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 150000
Reported Resolution (Å) 9
Resolution Method ?
Other Details Single-particle analysis was employed.
Refinement Type
Symmetry Type HELICAL
Map-Model Fitting and Refinement
ID 1
Refinement Space RECIPROCAL
Refinement Protocol ?
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type KODAK SO-163 FILM
Electron Dose (electrons/Å2) 16
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model JEOL 4000
Minimum Defocus (nm) 700
Maximum Defocus (nm) 1500
Minimum Tilt Angle (degrees) 0
Maximum Tilt Angle (degrees) 0
Nominal CS 4.1
Imaging Mode BRIGHT FIELD
Specimen Holder Model ?
Nominal Magnification 60000
Calibrated Magnification ?
Source LAB6
Acceleration Voltage (kV) 400
Imaging Details ?
Imaging Experiment
Task Software Package Version
MODEL FITTING Situs ?
RECONSTRUCTION SPIDER ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
. CTF correction was integrated into the back projection process with a customized C program