Journal
GENE
Volume 570, Issue 1, Pages 8-16Publisher
ELSEVIER
DOI: 10.1016/j.gene.2015.06.018
Keywords
Molecular chaperone; Heat shock protein; Stress response; Heat shock element; Post-translational modification; Drug target; Cancer; Gene ontology; Gene promoter; Interactome
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Funding
- National Institutes of Health [GM089820]
- Intramural Research Program of the National Cancer Institute [ZIA BC011032, ZIA SC010074]
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Heat shock protein 90 alpha (Hsp90 alpha), encoded by the HSP90AA1 gene, is the stress inducible isoform of the molecular chaperone Hsp90 alpha. Hsp90 alpha is regulated differently and has different functions when compared to the constitutively expressed Hsp90 beta isoform, despite high amino acid sequence identity between the two proteins. These differences are likely due to variations in nucleotide sequence within non-coding regions, which allows for specific regulation through interaction with particular transcription factors, and to subtle changes in amino acid sequence that allow for unique post-translational modifications. This article will specifically focus on the expression, function and regulation of Hsp90 alpha. Published by Elsevier B.V.
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