The correlation averaging of a regularly arranged bacterial cell envelope protein

The correlation averaging of a regularly arranged bacterial cell envelope protein SUMMARY An adaptation of the ‘correlation averaging’ method is described which allows reliable and almost fully automatic image averaging in the case of near‐periodic structures notwithstanding the presence of substantial crystal imperfections; methods for assessing resolution and symmetry without reliance on crystallinity are also discussed. Electron micrographs of negatively stained and rotary shadowed preparations of the HPI‐layer protein from the cell envelope of Micrococcus radiodurans have been averaged using the method, and the projected structure is described to a resolution of about 1·9 nm. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Microscopy Wiley

The correlation averaging of a regularly arranged bacterial cell envelope protein

Journal of Microscopy, Volume 127 (2) – Aug 1, 1982

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Publisher
Wiley
Copyright
1982 Blackwell Science Ltd
ISSN
0022-2720
eISSN
1365-2818
DOI
10.1111/j.1365-2818.1982.tb00405.x
Publisher site
See Article on Publisher Site

Abstract

SUMMARY An adaptation of the ‘correlation averaging’ method is described which allows reliable and almost fully automatic image averaging in the case of near‐periodic structures notwithstanding the presence of substantial crystal imperfections; methods for assessing resolution and symmetry without reliance on crystallinity are also discussed. Electron micrographs of negatively stained and rotary shadowed preparations of the HPI‐layer protein from the cell envelope of Micrococcus radiodurans have been averaged using the method, and the projected structure is described to a resolution of about 1·9 nm.

Journal

Journal of MicroscopyWiley

Published: Aug 1, 1982

References

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