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Title | Reducing cryoEM file storage using lossy image formats. |
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Journal, issue, pages | J Struct Biol, Vol. 207, Issue 1, Page 49-55, Year 2019 |
Publish date | Jul 1, 2019 |
![]() | Edward T Eng / Mykhailo Kopylov / Carl J Negro / Sarkis Dallaykan / William J Rice / Kelsey D Jordan / Kotaro Kelley / Bridget Carragher / Clinton S Potter / ![]() |
PubMed Abstract | Recent advances in instrumentation and software for cryoEM have increased the applicability and utility of this method. High levels of automation and faster data acquisition rates require hard ...Recent advances in instrumentation and software for cryoEM have increased the applicability and utility of this method. High levels of automation and faster data acquisition rates require hard decisions to be made regarding data retention. Here we investigate the efficacy of data compression applied to aligned summed movie files. Surprisingly, these images can be compressed using a standard lossy method that reduces file storage by 90-95% and yet can still be processed to provide sub-2 Å reconstructed maps. We do not advocate this as an archival method, but it may provide a useful means for retaining images as an historical record, especially at large facilities. |
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Methods | EM (single particle) |
Resolution | 2.1 Å |
Structure data | ![]() EMDB-9203: ![]() EMDB-9233: |
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