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Updated: Jul 14, 2026
09:25
NMR 15N Relaxation Experiments for the Investigation of Picosecond to Nanoseconds Structural Dynamics of Proteins
Published on: November 1, 2024
[Structured proteins and proteins with internal disorder].
Molekuliarnaia Biologiia
|May 23, 2007
Summary
Many proteins function without a fixed structure, exhibiting intrinsic disorder. These intrinsically disordered proteins gain structure upon partner interaction, challenging traditional structure-function paradigms.
Area of Science:
- Biochemistry
- Molecular Biology
- Structural Biology
Context:
- Traditionally, protein function was linked to a unique, folded tertiary structure.
- Recent findings reveal numerous proteins function without stable structures in isolation.
- These are termed intrinsically disordered proteins (IDPs).
Purpose:
- To review the structural and functional relationships of both structured proteins and IDPs.
- To discuss the complexities and potential solutions in studying IDPs.
- To illustrate these concepts using elongation factors (EF-Tu).
Summary:
- Intrinsically disordered proteins lack a defined tertiary structure in isolation.
- They adopt specific conformations only upon binding to interacting partners.
- Unlike structured proteins, their final conformation is partner-dependent, not solely sequence-determined.
Impact:
- Challenges the long-held view of structure-function relationships in proteins.
- Highlights the diverse mechanisms of protein regulation and function.
- Provides insights into the dynamic nature of proteomes and cellular processes.
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