Cited by 65Axon Guidance and Neuronal SignalingProtein Structure and DynamicsReceptor Mechanisms and Signaling

Protein dynamics and conformational selection in bidirectional signal transduction

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Nussinov, Ruth, Ma, Buyong·2012·BMC Biology

Abstract

Protein conformational dynamics simultaneously allow promiscuity and specificity in binding. The multiple conformations of the free EphA4 ligand-binding domain observed in two new EphA4 crystal structures provide a unique insight into the conformational dynamics of EphA4 and its signaling pathways. The heterogeneous ensemble and loop dynamics explain how the EphA4 receptor is able to bind multiple A- and B-ephrin ligands and small molecules via conformational selection, which helps to fine-tune cellular signal response in both receptor and ligand cells.

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Authors
Nussinov, R., & Ma, B.
Affiliations
  • Tel Aviv University (IL)
  • National Cancer Institute (US)
Corresponding author
Nussinov, Ruth
Venue
BMC Biology
Published
2012-01-25
Volume
10
Issue
1
Pages
2-2
ISSN
1741-7007 (ISSN-L)
OpenAlex
W2004126244
Cited by
65
References
13
Citations by year
2026: 1 · 2025: 1 · 2024: 1 · 2023: 2 · 2022: 3 · 2021: 7 · 2020: 4 · 2019: 2 · 2018: 4 · 2017: 2 · 2016: 9 · 2015: 4 · 2014: 8 · 2013: 13 · 2012: 4
FWCI
3.82
Type
journal article
Language
en
Open access
Locations
  • BMC Biology (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Funders
  • U.S. Department of Health and Human Services (HHSN261200800001E)
  • National Institutes of Health (#HHSN261200800001E)
  • U.S. Public Health Service (HHSN261200800001E)
  • National Cancer Institute (HHSN261200800001E))
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Axon Guidance and Neuronal Signaling
  • 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
Keywords
EphA4, ephrins, conformational selection, protein dynamics, ligand-binding domain, ligand-receptor interactions, loop dynamics, crystal structure, Eph receptor signaling

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