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Nat Rev Mol Cell Biol. 2011 Oct 21;12(11):735-47. doi: 10.1038/nrm3217.

The N-end rule pathway: emerging functions and molecular principles of substrate recognition.

Author information

1
Center for Pharmacogenetics and Department of Pharmaceutical Sciences, School of Pharmacy, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, USA.

Abstract

The N-end rule defines the protein-destabilizing activity of a given amino-terminal residue and its post-translational modification. Since its discovery 25 years ago, the pathway involved in the N-end rule has been thought to target only a limited set of specific substrates of the ubiquitin-proteasome system. Recent studies have provided insights into the components, substrates, functions and structural basis of substrate recognition. The N-end rule pathway is now emerging as a major cellular proteolytic system, in which the majority of proteins are born with or acquire specific N-terminal degradation determinants through protein-specific or global post-translational modifications.

PMID:
22016057
DOI:
10.1038/nrm3217
[Indexed for MEDLINE]

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