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Monothiol glutaredoxins: a common domain for multiple functions

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Issue date
2007
Author
Herrero Perpiñán, Enrique
Torre Ruiz, M. A. de la
Suggested citation
Herrero Perpiñán, Enrique; Torre Ruiz, M. A. de la; . (2007) . Monothiol glutaredoxins: a common domain for multiple functions. Cellular and molecular life sciences : CMLS, 2007, vol. 64, núm. 12, p. 1518-1530. https://doi.org/10.1007/s00018-007-6554-8.
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Abstract
Monothiol glutaredoxins with the CGFS sequence at the active site are widespread among prokaryotes and eukaryotes. Two subclasses exist, those with a single glutaredoxin domain and those with a thioredoxin-like region followed by one or more glutaredoxin domains. Studies in Saccharomyces cerevisiae have demonstrated the role of the Grx5 protein in the biogenesis of iron-sulphur clusters. Grx5 homologues in other eukaryotes could carry out similar functions. Two S. cerevisiae monothiol glutaredoxins with the thioredoxin-like extension, Grx3 and Grx4, are modulators of the transcriptional activator Aft1, which regulates iron uptake in yeast. The human PICOT protein is a Grx3/Grx4 homologue with the same hybrid primary structure, which regulates protein kinase C activity and may participate in physiological processes such as control of cardiac function. Therefore, monothiol glutaredoxins share a common basic structural motif and biochemical mechanism of action, while participating in a diversity of cellular functions as protein redox regulators.
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http://hdl.handle.net/10459.1/47442
DOI
https://doi.org/10.1007/s00018-007-6554-8
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Cellular and molecular life sciences : CMLS, 2007, vol. 64, núm. 12, p. 1518-1530
European research projects
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