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Updated: Feb 3, 2026

Measuring Biomolecular DSC Profiles with Thermolabile Ligands to Rapidly Characterize Folding and Binding Interactions
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Fold or not to fold upon binding - does it really matter?

Monika Fuxreiter1

  • 1MTA-DE Laboratory of Protein Dynamics, Department of Biochemistry and Molecular Biology, University of Debrecen, Hungary.

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Summary
This summary is machine-generated.

Protein binding interfaces show plasticity and dynamics, deviating from traditional templated folding. Transient contacts enhance affinity in these fuzzy binding mechanisms, suggesting a unified model.

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Area of Science:

  • Biochemistry
  • Structural Biology
  • Protein Dynamics

Background:

  • Protein interactions are typically governed by fixed contact patterns requiring pre-formed structures.
  • Emerging evidence reveals flexibility in protein folding pathways and bound states, challenging this paradigm.

Purpose of the Study:

  • To explore the mechanisms of protein binding, focusing on both traditional templated folding and alternative 'fuzzy binding' models.
  • To propose a unified framework that reconciles these different protein interaction strategies.

Main Methods:

  • Review and synthesis of recent data on protein folding pathways and bound-state dynamics.
  • Analysis of the role of transient, non-native contacts in modulating protein affinity.
  • Comparative discussion of templated folding versus fuzzy binding mechanisms.

Main Results:

  • Protein interfaces exhibit plasticity, including polymorphism and dynamics in bound states.
  • Non-native, transient contacts play a crucial role in complementing binding motifs and enhancing affinity.
  • Both templated folding and fuzzy binding involve conformational fluctuations modulated by such contacts.

Conclusions:

  • A uniform scheme can integrate templated folding and fuzzy binding, acknowledging the dynamic and plastic nature of protein interfaces.
  • Understanding these mechanisms is key to deciphering protein-protein interactions and designing novel therapeutics.