Um fluxo de trabalho robusto de crio-elétron de partículas únicas (crio-EM) com cryoSPARC, RELION e Scipion

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13:43 min

January 31st, 2022

10.3791/63387-v

January 31st, 2022

14.1K views

Este artigo descreve como utilizar efetivamente três plataformas de processamento crio-EM, ou seja, crioSPARC v3, RELION-3 e Scipion 3, para criar um fluxo de trabalho único e robusto aplicável a uma variedade de conjuntos de dados de partículas únicas para determinação da estrutura de alta resolução.

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Single Particle Cryo EM

Chapters in this video

0:04

Introduction

0:56

Creating a New CryoSPARC v3 Project and Importing Data

1:34

CryoSPARC v3: Movie Alignment and Contrast Transfer Function (CTF) Estimation

2:52

CryoSPARC v3: Manual and Template-Based Particle Picking

4:21

CryoSPARC v3: 2D Classification

4:52

CryoSPARC v3: Ab-initio Reconstruction and Homogeneous Refinement

5:31

Exporting Particle Coordinates from CryoSPARC v3 and Importing Them to RELION-3 Using PyEM

5:56

RELION-3: Particle Extraction and 2D Classification, 3D Refinement, Mask Creation, and Post-Processing

7:41

RELION-3: Polishing Training, Particle Polishing, CTF, and Per-Particle Refinements

9:15

Transferring RELION-3 Particle Coordinates and 3D Map to Scipion 3

10:05

Scipion 3: High-Resolution Refinement

11:21

Results: Using cryoSPARC v3, RELION-3, and Scipion 3 to Obtain a High-Resolution 3D Reconstruction of the Adeno-Associated Virus

12:52

Conclusion

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