The DOI matches its Crossref record; 9 of the 9 references it cites were found in a registry or an index.
Redox-regulated Turnover of Nrf2 Is Determined by at Least Two Separate Protein Domains, the Redox-sensitive Neh2 Degron and the Redox-insensitive Neh6 Degron
Open accessAbstract
The Nrf2 transcription factor is more rapidly turned over in cells grown under homeostatic conditions than in those experiencing oxidative stress. The variable turnover of Nrf2 is accomplished through the use of at least two degrons and its redox-sensitive interaction with the Kelch-repeat protein Keap1. In homeostatic COS1 cells, the Neh2 degron confers on Nrf2 a half-life of less than 10 min. Analyses of deletion mutants of a Gal4(HA)mNeh2 fusion protein and full-length mNrf2 indicate that full redox-sensitive Neh2 destabilizing activity depends upon two separate sequences within this N-terminal domain. The DIDLID element (amino acids 17-32) is indispensable for Neh2 activity and appears necessary to recruit a ubiquitin ligase to the fusion protein. A second motif within Neh2, the ETGE tetrapeptide (amino acids 79-82), allows the redox-sensitive recruitment of Nrf2 to Keap1. This interaction, which occurs only in homeostatic cells, enhances the capacity of the Neh2 degron to direct degradation by functioning downstream of ubiquitination mediated by the DIDLID element. By contrast with the situation under homeostatic conditions, the Neh2 degron is neither necessary nor sufficient to account for the characteristic half-life of Nrf2 in oxidatively stressed cells. Instead, the previously uncharacterized, redox-insensitive Neh6 degron (amino acids 329-379) is essential to ensure that the transcription factor is still appropriately turned over in stressed cells, albeit with an increased half-life of 40 min. A model can now be proposed to explain how the turnover of this protein adapts in response to alterations in cellular redox state.
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Self-citationZhang, D. D., & Hannink, M. (2003) · Molecular and Cellular Biology · doi:10.1128/mcb.23.22.8137-8151.2003 · Cited by 1,480
McMahon, M., Itoh, K., Yamamoto, M., & Hayes, J. D. (2003) · Journal of Biological Chemistry · doi:10.1074/jbc.m300931200 · Cited by 1,141
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Hemoprotein Bach1 regulates enhancer availability of heme oxygenase‐1 gene
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Self-citationNguyen, T., Sherratt, P. J., Huang, H.-C., Yang, C. S., & Pickett, C. B. (2003) · Journal of Biological Chemistry · doi:10.1074/jbc.m207293200 · Cited by 615
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Self-citationNRF2, a Transcription Factor for Stress Response and Beyond
He, F., Ru, X., & Wen, T. (2020) · International Journal of Molecular Sciences · doi:10.3390/ijms21134777 · Cited by 1,820
Nrf2–Keap1 defines a physiologically important stress response mechanism
Motohashi, H., & Yamamoto, M. (2004) · Trends in Molecular Medicine · doi:10.1016/j.molmed.2004.09.003 · Cited by 1,725
Self-citationNRF2 and the Hallmarks of Cancer
Rojo de la Vega, M., Chapman, E., & Zhang, D. D. (2018) · Cancer Cell · doi:10.1016/j.ccell.2018.03.022 · Cited by 1,672
The Molecular Mechanisms Regulating the KEAP1-NRF2 Pathway
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Metadata
- Authors
- McMahon, M., Thomas, N., Itoh, K., Yamamoto, M., & Hayes, J. D.
- Venue
- Journal of Biological Chemistry
- Publisher
- Elsevier BV
- Published
- 2004-07
- Volume
- 279
- Issue
- 30
- Pages
- 31556-31567
- ISSN
- 0021-9258 (ISSN-L)
- OpenAlex
- W2076405456
- Cited by
- 404
- References
- 9
- FWCI
- 3.72
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- McMahon, M., Thomas, N., Itoh, K., Yamamoto, M., & Hayes, J. D. (2004). Redox-regulated Turnover of Nrf2 Is Determined by at Least Two Separate Protein Domains, the Redox-sensitive Neh2 Degron and the Redox-insensitive Neh6 Degron. Journal of Biological Chemistry. https://doi.org/10.1074/jbc.m403061200
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