Cited by 223Cancer, Hypoxia, and MetabolismMetal-Catalyzed Oxygenation MechanismsDevelopmental Biology and Gene Regulation

Asparaginyl Hydroxylation of the Notch Ankyrin Repeat Domain by Factor Inhibiting Hypoxia-inducible Factor

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Coleman, Mathew L., McDonough, Michael A., Hewitson, Kirsty S., Coles, Charlotte, Mecinovicí, Jasmin, Edelmann, Mariola, Cook, Kristina M., Cockman, Matthew E. +5 more·2007·Journal of Biological Chemistry

Abstract

The stability and activity of hypoxia-inducible factor (HIF) are regulated by the post-translational hydroxylation of specific prolyl and asparaginyl residues. We show that the HIF asparaginyl hydroxylase, factor inhibiting HIF (FIH), also catalyzes hydroxylation of highly conserved asparaginyl residues within ankyrin repeat (AR) domains (ARDs) of endogenous Notch receptors. AR hydroxylation decreases the extent of ARD binding to FIH while not affecting signaling through the canonical Notch pathway. ARD proteins were found to efficiently compete with HIF for FIH-dependent hydroxylation. Crystallographic analyses of the hydroxylated Notch ARD (2.35A) and of Notch peptides bound to FIH (2.4-2.6A) reveal the stereochemistry of hydroxylation on the AR and imply that significant conformational changes are required in the ARD fold in order to enable hydroxylation at the FIH active site. We propose that ARD proteins function as natural inhibitors of FIH and that the hydroxylation status of these proteins provides another oxygen-dependent interface that modulates HIF signaling.

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Crossref · 10.1074/jbc.m704102200

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  • A cross-regulatory loop may exist between HIF and NF-κB pathways and may involve other transcriptional regulators that bear non-redundant PHD sensitivity, including ATF-4 and Notch.

    “It also seems that increased NF-κB activity in hypoxia can be regulated by HIF-144, thus a cross-regulatory loop may exist between these two pathways and may involve other transcriptional regulators that bear non-redundant PHD sensitivity, including activating transcription factor-4 and Notch52,53”

    From Hypoxia: an alarm signal during intestinal inflammation (2010) · cites this paper as [52]

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Authors
Coleman, M. L., McDonough, M. A., Hewitson, K. S., Coles, C., Mecinovicí, J., Edelmann, M., Cook, K. M., Cockman, M. E., Lancaster, D. E., Kessler, B. M., Oldham, N. J., Ratcliffe, P. J., & Schofield, C. J.
Affiliations
University of Oxford (GB)
Corresponding author
Schofield, Christopher J.
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
2007-08
Volume
282
Issue
33
Pages
24027-24038
ISSN
0021-9258 (ISSN-L)
OpenAlex
W2078263362
Cited by
222
References
34
Citations by year
2026: 1 · 2025: 7 · 2024: 4 · 2023: 7 · 2022: 9 · 2021: 5 · 2020: 8 · 2019: 10 · 2018: 7 · 2017: 8 · 2016: 10 · 2015: 13 · 2014: 14 · 2013: 19 · 2012: 11
FWCI
8.31
Type
journal article
Language
en
Open access
Locations
  • Journal of Biological Chemistry (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • University of Birmingham Research Portal (University of Birmingham) (submittedVersion)
Funders
  • Wellcome Trust
  • Biotechnology and Biological Sciences Research Council (BBS/B/07683)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer, Hypoxia, and Metabolism
  • Physical Sciences › Chemistry › Inorganic Chemistry › Metal-Catalyzed Oxygenation Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
Keywords
FIH, Notch receptor, ankyrin repeat domain, hypoxia-inducible factor, protein stability, oxygen sensing, protein-protein interaction, conformational change, crystal structure, Notch signaling
MeSH terms
Receptor, Notch3, Asparagine, Humans, Mixed Function Oxygenases, Hydroxylation, Repressor Proteins, Transcription Factors, Ankyrin Repeat, Protein Structure, Tertiary, Crystallography, X-Ray, Hypoxia-Inducible Factor 1, alpha Subunit, Receptors, Notch, Receptor, Notch1, Receptor, Notch2

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