Experimental methods to study the kinetics of protein-protein interactions

Abhay Narayan Singh, Kristijan Ramadan, Shalini Singh

Research output: Chapter in Book/Report/Conference proceedingChapter

2 Citations (Scopus)

Abstract

Studying the kinetics of protein-protein interaction is crucial to understand the nature, stability, dynamics, and biological significance of protein complexes. It provides an opportunity to analyze their kinetic behavior and determine their therapeutic potential. Several experimental methods have been developed to study the protein-protein interaction kinetics, allowing flexibility to choose the best suitable method according to the requirements. Each method has its own advantages and limitations. For example, surface plasmon resonance (SPR), bio-layer interferometry (BLI), and quartz crystal microbalance (QCM) require immobilization of one of the binding partners, while others like isothermal titration calorimetry (ITC) and microscale thermophoresis (MST) can assess the interactions in solution. Furthermore, SPR, QCM, and ITC are label-free approaches, while MST requires fluorescence labeling. In this chapter, we summarize these common biophysical techniques to study the kinetics of protein-protein interactions.

Original languageEnglish
Title of host publicationAdvances in Protein Molecular and Structural Biology Methods
PublisherElsevier
Pages115-124
Number of pages10
ISBN (Electronic)9780323902649
ISBN (Print)9780323902656
DOIs
Publication statusPublished - Jan 1 2022
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2022 Elsevier Inc. All rights reserved.

ASJC Scopus Subject Areas

  • General Biochemistry,Genetics and Molecular Biology

Keywords

  • Association constant
  • Bio-layer interferometry
  • Biosensor
  • Dissociation constant
  • Interaction kinetics
  • Isothermal titration calorimetry
  • Microscale thermophoresis
  • Protein-protein interaction
  • Quartz crystal microbalance
  • Surface plasmon resonance

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