Cited by 18Protein Structure and DynamicsProtein Kinase Regulation and GTPase SignalingBioinformatics and Genomic Networks

Identification of intrinsically disordered regions in PTEN and delineation of its function via a network approach

Malaney, Prerna, Uversky, Vladimir N., Davé, Vrushank·2015·Methods

Abstract

Intrinsically disordered proteins (IDPs) are proteins that lack stable higher order structures for the entire protein molecule or a significant portion of it. The discovery of IDPs evolved as an antithesis to the conventional structure-function paradigm wherein a higher order structure dictates protein function. Over the last decade, a number of proteins with functionally relevant unstructured regions have been discovered, which includes tumor suppressor PTEN. The protein domains that lack structure provide "hot-spots" for post-translational modifications (PTMs) and protein-protein interactions (PPIs), which facilitate their regulation and participation in multiple cellular processes. Consequently, dysregulation in IDPs contribute to aberrant cellular pathophysiology. Herein, we present PTEN and its translational isoform PTEN-L as a hybrid protein possessing ordered domain and intrinsically disordered C-terminal and an N-terminal tails. We review the role of intrinsic disorder in PTEN function and propose a methodology for the use of intrinsic disorder to study PTEN-regulated higher order protein-networks by associating basic principles of network biology to functional pathway analysis at the systems level.

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Crossref · 10.1016/j.ymeth.2014.10.005

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  • The PTEN disordered tail is modified via ubiquitination, acetylation, sumoylation, and S-nitrosylation.

    “The disordered tail is also modified via ubiquitination as part of protein degradation, and by acetylation, sumoylation, and S-nitrosylation [192].”

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Authors
Malaney, P., Uversky, V. N., & Davé, V.
Affiliations
  • University of South Florida (US)
  • Russian Academy of Sciences (RU)
Corresponding author
Davé, Vrushank
Venue
Methods
Publisher
Elsevier BV
Published
2015-05
Volume
77-78
Pages
69-74
ISSN
1046-2023 (ISSN-L)
OpenAlex
W2032448102
Cited by
18
References
87
Citations by year
2025: 4 · 2023: 1 · 2022: 4 · 2021: 1 · 2020: 1 · 2019: 2 · 2016: 4 · 2015: 1
FWCI
0.68
Type
journal article
Language
en
Open access
closed
Locations
  • Methods (publishedVersion)
  • PubMed (publishedVersion)
  • Digital Commons - University of South Florida (University of South Florida) (submittedVersion)
Funders
Moffitt Cancer Center Lung SPORE Career Development (P50-CA119997)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Structure and Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Kinase Regulation and GTPase Signaling
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bioinformatics and Genomic Networks
Keywords
PTEN, intrinsically disordered regions, protein-protein interaction, post-translational modification, protein networks, tumor suppressor, protein function, network biology
MeSH terms
Animals, Humans, Protein Isoforms, Tumor Suppressor Proteins, PTEN Phosphohydrolase, Gene Regulatory Networks, Protein Interaction Domains and Motifs, Intrinsically Disordered Proteins

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