Cited by 55Protein Structure and DynamicsReceptor Mechanisms and SignalingProtein Kinase Regulation and GTPase Signaling

Allosteric Conformational Barcodes Direct Signaling in the Cell

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Nussinov, Ruth, Ma, Buyong, Tsai, Chung-Jung, Csermely, Peter·2013·Structure

Abstract

The cellular network is highly interconnected. Pathways merge and diverge. They proceed through shared proteins and may change directions. How are cellular pathways controlled and their directions decided, coded, and read? These questions become particularly acute when we consider that a small number of pathways, such as signaling pathways that regulate cell fates, cell proliferation, and cell death in development, are extensively exploited. This review focuses on these signaling questions from the structural standpoint and discusses the literature in this light. All co-occurring allosteric events (including posttranslational modifications, pathogen binding, and gain-of-function mutations) collectively tag the protein functional site with a unique barcode. The barcode shape is read by an interacting molecule, which transmits the signal. A conformational barcode provides an intracellular address label, which selectively favors binding to one partner and quenches binding to others, and, in this way, determines the pathway direction, and, eventually, the cell's response and fate.

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Crossref · 10.1016/j.str.2013.06.002

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Authors
Nussinov, R., Ma, B., Tsai, C.-J., & Csermely, P.
Affiliations
  • Tel Aviv University (IL)
  • National Cancer Institute (US)
Corresponding author
Nussinov, Ruth
Venue
Structure
Publisher
Elsevier BV
Published
2013-09
Volume
21
Issue
9
Pages
1509-1521
ISSN
0969-2126 (ISSN-L)
OpenAlex
W1966693725
Cited by
55
References
99
Citations by year
2026: 1 · 2025: 3 · 2024: 2 · 2022: 3 · 2021: 3 · 2019: 8 · 2018: 2 · 2017: 1 · 2016: 7 · 2015: 10 · 2014: 14 · 2013: 1
FWCI
1.00
Type
journal article
Language
en
Open access
Locations
  • Structure (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Semmelweis University Repository (Semmelweis University) (submittedVersion)
Funders
  • National Institutes of Health (HHSN261200800001C)
  • National Cancer Institute (HHSN261200800001E))
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Structure and Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Receptor Mechanisms and Signaling
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Kinase Regulation and GTPase Signaling
Keywords
allosteric communication, protein conformation, post-translational modification, pathogen binding, gain-of-function mutations, protein-protein interaction, cell fate determination, cell proliferation, cell death, protein functional sites
MeSH terms
Allosteric Regulation, Animals, Humans, Models, Molecular, Phosphorylation, Protein Processing, Post-Translational, Signal Transduction, Catalytic Domain, Intracellular Signaling Peptides and Proteins, Extracellular Signal-Regulated MAP Kinases, Protein Interaction Maps

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