Difference between revisions of "MotionCor2"
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Latest revision as of 20:33, 24 August 2022
Description
Correction of electron beam-induced sample motion is one of the major factors contributing to the recent resolution breakthroughs in cryo-electron microscopy. Based on observations that the electron beam induces doming of the thin vitreous ice layer, we developed an algorithm to correct anisotropic image motion at the single pixel level across the whole frame, suitable for both single particle and tomographic images. Iterative, patch-based motion detection is combined with spatial and temporal constraints and dose weighting. The multi-GPU accelerated program, MotionCor2, is sufficiently fast to keep up with automated data collection. The result is an exceptionally robust strategy that can work on a wide range of data sets, including those very close to focus or with very short integration times, obviating the need for particle polishing. Application significantly improves Thon ring quality and 3D reconstruction resolution.
Environment Modules
Run module spider motioncor2 to find out what environment modules are available for this application.
System Variables
- HPC_MOTIONCOR2_DIR - installation directory
- HPC_MOTIONCOR2_BIN - executable directory