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Cryo-EM reconstruction of the chlororibosome to 3.2?A resolution within 24?h.


ABSTRACT: The introduction of direct detectors and the automation of data collection in cryo-EM have led to a surge in data, creating new opportunities for advancing computational processing. In particular, on-the-fly workflows that connect data collection with three-dimensional reconstruction would be valuable for more efficient use of cryo-EM and its application as a sample-screening tool. Here, accelerated on-the-fly analysis is reported with optimized organization of the data-processing tools, image acquisition and particle alignment that make it possible to reconstruct the three-dimensional density of the 70S chlororibosome to 3.2?Å resolution within 24?h of tissue harvesting. It is also shown that it is possible to achieve even faster processing at comparable quality by imposing some limits to data use, as illustrated by a 3.7?Å resolution map that was obtained in only 80?min on a desktop computer. These on-the-fly methods can be employed as an assessment of data quality from small samples and extended to high-throughput approaches.

SUBMITTER: Forsberg BO 

PROVIDER: S-EPMC5668856 | biostudies-literature | 2017 Nov

REPOSITORIES: biostudies-literature

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Cryo-EM reconstruction of the chlororibosome to 3.2 Å resolution within 24 h.

Forsberg Björn O BO   Aibara Shintaro S   Kimanius Dari D   Paul Bijoya B   Lindahl Erik E   Amunts Alexey A  

IUCrJ 20170922 Pt 6


The introduction of direct detectors and the automation of data collection in cryo-EM have led to a surge in data, creating new opportunities for advancing computational processing. In particular, on-the-fly workflows that connect data collection with three-dimensional reconstruction would be valuable for more efficient use of cryo-EM and its application as a sample-screening tool. Here, accelerated on-the-fly analysis is reported with optimized organization of the data-processing tools, image a  ...[more]

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