Myriad proteins are involved in the process of autophagy, which they participate in via their protein-protein interactions (PPI). Herein we outline a methodology for examining such interactions utilizing the case of intrinsically disordered protein (IDP) TNIP1 and its interaction with linear M1-linked polyubiquitin. This includes methods for recombinant production, purification, immuno-identification, and analysis of an IDP associated with autophagy, its ordered binding partner, and means of quantitatively analyzing their interaction.

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Investigating Protein-Protein Interactions of Autophagy-Involved TNIP1

  • Michael L. Samulevich,
  • Liam E. Carman,
  • Brian J. Aneskievich

摘要

Myriad proteins are involved in the process of autophagy, which they participate in via their protein-protein interactions (PPI). Herein we outline a methodology for examining such interactions utilizing the case of intrinsically disordered protein (IDP) TNIP1 and its interaction with linear M1-linked polyubiquitin. This includes methods for recombinant production, purification, immuno-identification, and analysis of an IDP associated with autophagy, its ordered binding partner, and means of quantitatively analyzing their interaction.