Cited by 69Protein Structure and DynamicsLipid Membrane Structure and BehaviorReceptor Mechanisms and Signaling

Intrinsically disordered proteins and membranes: a marriage of convenience for cell signalling?

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Cornish, Jasmine, Chamberlain, Samuel G., Owen, Darerca, Mott, Helen R.·2020·Biochemical Society Transactions

Abstract

The structure-function paradigm has guided investigations into the molecules involved in cellular signalling for decades. The peripheries of this paradigm, however, start to unravel when considering the co-operation between proteins and the membrane in signalling processes. Intrinsically disordered regions hold distinct advantages over folded domains in terms of their binding promiscuity, sensitivity to their particular environment and their ease of modulation through post-translational modifications. Low sequence complexity and bias towards charged residues are also favourable for the multivalent electrostatic interactions that occur at the surfaces of lipid bilayers. This review looks at the principles behind the successful marriage between protein disorder and membranes in addition to the role of this partnership in modifying and regulating signalling in cellular processes. The HVR (hypervariable region) of small GTPases is highlighted as a well-studied example of the nuanced role a short intrinsically disordered region can play in the fine-tuning of signalling pathways.

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  • Many receptors require intrinsically disordered cytoplasmic tails to function properly.

    “Many receptors require intrinsically disordered cytoplasmic tails to function properly [169, 281–283].”
  • Enrichment of positively charged amino acids within disordered regions enables electrostatic interactions with lipid head groups, which can induce membrane curvature.

    “The enrichment of positively charged amino acids within disordered regions enables electrostatic interactions with lipid head groups, which can induce membrane curvature [281].”
  • Disorder would expose any hydrophobic side chains, allowing their insertion into the membrane.

    “Disorder would expose any hydrophobic side chains, allowing their insertion into the membrane [281].”

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Authors
Cornish, J., Chamberlain, S. G., Owen, D., & Mott, H. R.
Affiliations
University of Cambridge (GB)
Corresponding author
Mott, Helen R.
Venue
Biochemical Society Transactions
Published
2020-11-06
Volume
48
Issue
6
Pages
2669-2689
ISSN
  • 0300-5127 (ISSN-L)
  • 1470-8752
OpenAlex
W3095810975
Cited by
69
References
162
Citations by year
2026: 13 · 2025: 9 · 2024: 14 · 2023: 9 · 2022: 17 · 2021: 7
FWCI
0.79
Type
journal article
Language
en
Open access
Locations
  • Biochemical Society Transactions (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Structure and Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Lipid Membrane Structure and Behavior
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Receptor Mechanisms and Signaling
Keywords
intrinsically disordered regions, membrane protein interactions, signal transduction, lipid bilayers, electrostatic interactions, post-translational modification, binding promiscuity
MeSH terms
Protein Domains, Animals, Binding Sites, Biochemical Phenomena, Biophysics, Cardiolipins, Cell Membrane, Humans, Lipid Bilayers, Lipids, Mitochondria, Molecular Conformation, Protein Binding, Protein Conformation, Protein Processing, Post-Translational, Proteins, Signal Transduction, Protein Folding, Dimerization, GTP Phosphohydrolases, Green Fluorescent Proteins, Static Electricity, Intrinsically Disordered Proteins

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