Cited by 63Wnt/β-catenin signaling in development and cancerReceptor Mechanisms and SignalingProtein Structure and Dynamics

Structural basis of coactivation of liver receptor homolog-1 by β-catenin

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Yumoto, Fumiaki, Nguyen, Phuong, Sablin, Elena P., Baxter, John D., Webb, Paul, Fletterick, Robert J.·2012·Proceedings of the National Academy of Sciences

Abstract

We report the three-dimensional structure of a β-catenin armadillo repeat in complex with the liver receptor homolog-1 (LRH-1) ligand binding domain at 2.8 Å resolution as the first structure of β-catenin in complex with any nuclear receptor. The surface of β-catenin that binds LRH-1 partly overlaps defined contact sites for peptide segments of β-catenin partners, including T-cell factor-4. The surface of LRH-1 that engages β-catenin is comprised of helices 1, 9, and 10 and is distinct from known interaction surfaces of LRH-1, including corepressor and coactivator binding sites. Targeted mutagenesis of amino acids forming both sides of the LRH-1/β-catenin interface reveals that they are essential for stable interactions between these proteins in solution. The LRH-1 binding site in β-catenin is also required for association with androgen receptor, providing evidence that the observed LRH-1/β-catenin interaction may be prototypic.

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  • Predictive modeling suggests that β-catenin interacts with the AR hormone binding domain on a surface that overlaps with BF3.

    “Predictive modeling suggests that β-catenin interacts with the AR hormone binding domain on a surface that overlaps with BF3.”

    From The FKBP52 Cochaperone Acts in Synergy with β-Catenin to Potentiate Androgen Receptor Signaling (2015) · cites this paper as [25]

    The Results report that β-catenin interacts with the AR ligand-binding domain, and the Discussion links AR binding to a region of β-catenin also used by LRH-1. Neither section reports predictive modeling that places the contact on an AR surface overlapping BF3; the Discussion says the AR binding interface remains uncertain. The indexed passages provide no page numbers. (LLM, conf=0.84)

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Authors
Yumoto, F., Nguyen, P., Sablin, E. P., Baxter, J. D., Webb, P., & Fletterick, R. J.
Affiliations
  • University of California, San Francisco (US)
  • Houston Methodist (US)
Venue
Proceedings of the National Academy of Sciences
Published
2011-12-20
Volume
109
Issue
1
Pages
143-148
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2054093429
Cited by
63
References
65
Citations by year
2026: 3 · 2025: 1 · 2024: 4 · 2023: 4 · 2022: 6 · 2021: 5 · 2020: 5 · 2019: 3 · 2018: 1 · 2017: 4 · 2016: 2 · 2015: 8 · 2014: 4 · 2013: 9 · 2012: 4
FWCI
2.33
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute of Diabetes and Digestive and Kidney Diseases (DK 41482, DK51281, R01DK078075, R21DK084504, R01DK051281)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Wnt/β-catenin signaling in development and cancer
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Receptor Mechanisms and Signaling
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Structure and Dynamics
Keywords
β-catenin, LRH-1, armadillo repeats, protein-protein interaction, ligand-binding domain, T-cell factor 4, androgen receptor, transcriptional coactivator, protein complex structure
MeSH terms
DNA Mutational Analysis, Humans, Luciferases, Models, Molecular, Protein Binding, Receptors, Androgen, Structure-Activity Relationship, Point Mutation, Protein Structure, Tertiary, Receptors, Cytoplasmic and Nuclear, beta Catenin, Enzyme Assays

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