Parkin promotes the ubiquitination and degradation of the mitochondrial fusion factor mitofusin 1.

Abstract excerpt

Mutations in the parkin gene cause early-onset, autosomal recessive Parkinson's disease. Parkin functions as an E3 ubiquitin ligase to mediate the covalent attachment of ubiquitin monomers or linked chains to protein substrates. Substrate ubiquitination can target proteins for proteasomal degradation or can mediate a number of non-degradative functions. Parkin has been shown to preserve mitochondrial integrity in...

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