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Parkin structure and function.


ABSTRACT: Mutations in the parkin or PINK1 genes are the leading cause of the autosomal recessive form of Parkinson's disease. The gene products, the E3 ubiquitin ligase parkin and the serine/threonine kinase PINK1, are neuroprotective proteins, which act together in a mitochondrial quality control pathway. Here, we review the structure of parkin and mechanisms of its autoinhibition and function as a ubiquitin ligase. We present a model for the recruitment and activation of parkin as a key regulatory step in the clearance of depolarized or damaged mitochondria by autophagy (mitophagy). We conclude with a brief overview of other functions of parkin and considerations for drug discovery in the mitochondrial quality control pathway.

SUBMITTER: Seirafi M 

PROVIDER: S-EPMC4672691 | biostudies-literature | 2015 Jun

REPOSITORIES: biostudies-literature

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Parkin structure and function.

Seirafi Marjan M   Kozlov Guennadi G   Gehring Kalle K  

The FEBS journal 20150316 11


Mutations in the parkin or PINK1 genes are the leading cause of the autosomal recessive form of Parkinson's disease. The gene products, the E3 ubiquitin ligase parkin and the serine/threonine kinase PINK1, are neuroprotective proteins, which act together in a mitochondrial quality control pathway. Here, we review the structure of parkin and mechanisms of its autoinhibition and function as a ubiquitin ligase. We present a model for the recruitment and activation of parkin as a key regulatory step  ...[more]

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