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  • Structural basis for specific cleavage of Lys6-linked polyubiquitin chains by USP30.

Structural basis for specific cleavage of Lys6-linked polyubiquitin chains by USP30.

Nature structural & molecular biology (2017-09-26)
Yusuke Sato, Kei Okatsu, Yasushi Saeki, Koji Yamano, Noriyuki Matsuda, Ai Kaiho, Atsushi Yamagata, Sakurako Goto-Ito, Minoru Ishikawa, Yuichi Hashimoto, Keiji Tanaka, Shuya Fukai
PMID28945247
ABSTRACT

Parkin ubiquitin (Ub) ligase (also known as PARK2) ubiquitinates damaged mitochondria for their clearance and quality control. USP30 deubiquitinase opposes parkin-mediated Ub-chain formation on mitochondria by preferentially cleaving Lys6-linked Ub chains. Here, we report the crystal structure of zebrafish USP30 in complex with a Lys6-linked diubiquitin (diUb or Ub