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Annual Review of Genetics

Volume 51, 2017

Conditional Degrons for Controlling Protein Expression at the Protein Level

Abstract

The conditional depletion of a protein of interest (POI) is useful not only for loss-of-function studies, but also for the modulation of biological pathways. Technologies that work at the level of DNA, mRNA, and protein are available for temporal protein depletion. Compared with technologies targeting the pretranslation steps, direct protein depletion (or protein knockdown approaches) is advantageous in terms of specificity, reversibility, and time required for depletion, which can be achieved by fusing a POI with a protein domain called a degron that induces rapid proteolysis of the fusion protein. Conditional degrons can be activated or inhibited by temperature, small molecules, light, or the expression of another protein. The conditional degron-based technologies currently available are described and discussed.

Keyword(s): conditional degron, protein knockdown, proteolysis, ubiquitin–proteasome pathway

Erratum

An erratum has been published for this article:
Erratum: Conditional Degrons for Controlling Protein Expression at the Protein Level
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2017-11-27
2025-04-19
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Conditional Degrons for Controlling Protein Expression at the Protein Level
Annual Review of Genetics 51, 83 (2017); https://doi.org/10.1146/annurev-genet-120116-024656
/content/journals/10.1146/annurev-genet-120116-024656
/content/journals/10.1146/annurev-genet-120116-024656
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