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Article

PRT1 of Arabidopsis is a ubiquitin protein ligase of the plant N-end rule pathway with specificity for aromatic amino-terminal residues.

Plant physiology - 1 Nov 2003

Stary Susanne, Yin Xiao-jun, Potuschak Thomas, Schlögelhofer Peter, Nizhynska Victoria, Bachmair Andreas

Abstract excerpt

The gene PRT1 of Arabidopsis, encoding a 45-kD protein with two RING finger domains, is essential for the degradation of F-dihydrofolate reductase, a model substrate of the N-end rule pathway of protein degradation. We have determined the function of PRT1 by expression in yeast (Saccharomyces cerevisiae). PRT1 can act as a ubiquitin protein ligase in the heterologous host. The identified substrates of PRT1 have...

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Identifiers

PMID: 14551326
DOI: 10.1104/pp.103.029272
PMCID: PMC281630

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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