- EMDB-22027: Reprocessing of EMPIAR-10184 data (aldolase) with particles picke... -
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基本情報
登録情報
データベース: EMDB / ID: EMD-22027
タイトル
Reprocessing of EMPIAR-10184 data (aldolase) with particles picked by Kpicker
マップデータ
試料
複合体: Rabbit muscle aldolase
機能・相同性
機能・相同性情報
negative regulation of Arp2/3 complex-mediated actin nucleation / fructose-bisphosphate aldolase / fructose-bisphosphate aldolase activity / M band / I band / glycolytic process / protein homotetramerization / positive regulation of cell migration 類似検索 - 分子機能
Fructose-bisphosphate aldolase class-I active site / Fructose-bisphosphate aldolase class-I active site. / Fructose-bisphosphate aldolase, class-I / Fructose-bisphosphate aldolase class-I / Aldolase-type TIM barrel 類似検索 - ドメイン・相同性
ジャーナル: IUCrJ / 年: 2020 タイトル: A self-supervised workflow for particle picking in cryo-EM. 著者: Donal M McSweeney / Sean M McSweeney / Qun Liu / 要旨: High-resolution single-particle cryo-EM data analysis relies on accurate particle picking. To facilitate the particle picking process, a self-supervised workflow has been developed. This includes an ...High-resolution single-particle cryo-EM data analysis relies on accurate particle picking. To facilitate the particle picking process, a self-supervised workflow has been developed. This includes an iterative strategy, which uses a 2D class average to improve training particles, and a progressively improved convolutional neural network for particle picking. To automate the selection of particles, a threshold is defined (%/Res) using the ratio of percentage class distribution and resolution as a cutoff. This workflow has been tested using six publicly available data sets with different particle sizes and shapes, and can automatically pick particles with minimal user input. The picked particles support high-resolution reconstructions at 3.0 Å or better. This workflow is a step towards automated single-particle cryo-EM data analysis at the stage of particle picking. It may be used in conjunction with commonly used single-particle analysis packages such as , , , and .