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单粒子冷冻电子显微镜在结构中测定脂质敏感分通道 trpc3 的表达与纯化
JoVE Journal
Biochemistry
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JoVE Journal Biochemistry
Expression and Purification of the Human Lipid-sensitive Cation Channel TRPC3 for Structural Determination by Single-particle Cryo-electron Microscopy
DOI:

08:27 min

January 07, 2019

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Chapters

  • 00:04Title
  • 00:34Infection of HEK293 Mammalian Cells with P2 Baculovirus for Large-scale Protein Expression
  • 02:42Purification of hTRPC3 Protein from the Frozen Cell Pellet
  • 05:26Results: Structural Determination of hTRPC3
  • 07:36Conclusion

Summary

Automatic Translation

该协议描述了用低温电子显微镜测定离子通道结构的技术, 包括用于以最小的努力和毒性在哺乳动物细胞中有效表达基因的杆菌病毒系统, 蛋白质提取、纯化、和质量检查, 样品网格的制备和筛选, 以及数据的收集和处理。

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