Journal
/
/
Identificación de las pequeñas proteínas de unión a la molécula-celular en un entorno nativo de Células vivas marcado por fotoafinidad
JoVE 杂志
生物化学
需要订阅 JoVE 才能查看此.  登录或开始免费试用。
JoVE 杂志 生物化学
Identification of Small Molecule-binding Proteins in a Native Cellular Environment by Live-cell Photoaffinity Labeling
DOI:

10:49 min

September 20, 2016

,

Chapters

  • 00:05Title
  • 00:43Preparation of Cultured Cells
  • 01:23Treatment of Cells and Photocrosslinking
  • 04:34Attachment of Fluorescent Tag by Click Chemistry for Visualization of Labeled Proteins
  • 05:48Attachment of Biotin Tag by Click Chemistry for Affinity Purification of Labeled Proteins
  • 08:54Results: Live-cell Photoaffinity Labeling Identifies a Major Itraconazole-binding Protein
  • 10:14Conclusion

Summary

自动翻译

We describe here a method for identification of small molecule-binding proteins using photoaffinity labeling. The advantage of this technique is that binding and covalent labeling of the target proteins occurs within the live cellular environment, removing the risk of disrupting native protein structure and binding conditions upon cell lysis.

Related Videos

Read Article