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Related Concept Videos

Intrinsically Disordered Proteins02:18

Intrinsically Disordered Proteins

Intrinsically disordered proteins are a group of proteins that do not fold into specific three-dimensional structures. Their structural flexibility allows them to complement ordered proteins to perform functions that are inaccessible to rigid structures. They are more common in eukaryotes than prokaryotes and may either be exclusively intrinsically disordered or hybrid proteins, consisting of a mix of ordered and disordered regions. The absence of a rigid structure in these proteins can be...
Intrinsically Disordered Proteins02:18

Intrinsically Disordered Proteins

Intrinsically disordered proteins are a group of proteins that do not fold into specific three-dimensional structures. Their structural flexibility allows them to complement ordered proteins to perform functions that are inaccessible to rigid structures. They are more common in eukaryotes than prokaryotes and may either be exclusively intrinsically disordered or hybrid proteins, consisting of a mix of ordered and disordered regions. The absence of a rigid structure in these proteins can be...
Protein Folding01:22

Protein Folding

Overview
Protein Folding01:25

Protein Folding

Proteins are chains of amino acids linked together by peptide bonds. Upon synthesis, a protein folds into a three-dimensional conformation, critical to its biological function. Interactions between its constituent amino acids guide protein folding, and hence the protein structure is primarily dependent on its amino acid sequence.
Protein Structure Is Critical to Its Biological Function
Proteins perform a wide range of biological functions such as catalyzing chemical reactions, providing...
Protein Folding01:22

Protein Folding

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Protein and Protein Structure02:15

Protein and Protein Structure

Proteins are one of the most abundant organic molecules in living systems and have the most diverse range of functions of all macromolecules. Proteins may be structural, regulatory, contractile, or protective. They may serve in transport, storage, or membranes; or they may be toxins or enzymes. Their structures, like their functions, vary greatly. They are all, however, amino acid polymers arranged in a linear sequence.
A protein's shape is critical to its function. For example, an enzyme can...

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NMR 15N Relaxation Experiments for the Investigation of Picosecond to Nanoseconds Structural Dynamics of Proteins
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Published on: November 1, 2024

Function and structure of inherently disordered proteins.

A Keith Dunker1, Israel Silman, Vladimir N Uversky

  • 1Center for Computational Biology and Bioinformatics, Institute for Intrinsically Disordered Protein Research, Indiana University Schools of Medicine and Informatics, Indianapolis, IN 46202, USA.

Current Opinion in Structural Biology
|October 28, 2008
PubMed
Summary
This summary is machine-generated.

Bioinformatics reveals intrinsically disordered proteins (IDPs) are crucial. These flexible proteins, abundant in eukaryotes, evolve rapidly and play key roles in signaling and disease.

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Last Updated: Jun 28, 2026

NMR 15N Relaxation Experiments for the Investigation of Picosecond to Nanoseconds Structural Dynamics of Proteins
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Area of Science:

  • Biochemistry
  • Bioinformatics
  • Molecular Biology

Background:

  • Proteins lacking a defined 3D structure, known as intrinsically disordered proteins (IDPs), are gaining significant research attention.
  • Bioinformatics tools are increasingly applied to study these unique macromolecules.

Purpose of the Study:

  • To discuss various aspects of intrinsically disordered proteins.
  • To highlight their characteristics, functions, and implications in diseases.

Main Methods:

  • Bioinformatic analysis of amino acid sequences.
  • Comparative analysis between eukaryotes and prokaryotes.
  • Evolutionary rate assessment.
  • Functional repertoire and disease association studies.

Main Results:

  • IDPs are enriched in eukaryotes and evolve faster than structured proteins.
  • They exhibit specific structural preferences and cellular half-lives.
  • IDPs contribute significantly to signaling diversity through multiple binding sites, post-translational modifications, and alternative splicing.
  • They possess a distinct functional repertoire and are implicated in various diseases.

Conclusions:

  • Intrinsically disordered proteins represent a distinct class of macromolecules with unique properties and functions.
  • Their study is vital for understanding cellular signaling, evolution, and disease pathogenesis.