Deubiquitylating enzymes articles within Nature

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  • Letter |

    The polyglutamine domain in ataxin 3, which is expanded in spinocerebellar ataxia type 3, allows normal ataxin 3 to interact with and deubiquitinate beclin 1 and thereby to promote autophagy.

    • Avraham Ashkenazi
    • , Carla F. Bento
    •  & David C. Rubinsztein

  • Letter |

    The proteasome-associated enzyme USP14 regulates protein degradation by removing ubiquitin from proteins; here it is shown that USP14 removes ubiquitin chains from in vitro generated cyclin B conjugates en bloc and within milliseconds, before the proteasome has a chance to initiate degradation, and proceeds until a single chain remains.

    • Byung-Hoon Lee
    • , Ying Lu
    •  & Daniel Finley

  • Letter |

    An in vivo transposon screen in a pancreatic cancer model identifies frequent inactivation of Usp9x; deletion of Usp9x cooperates with KrasG12D to accelerate rapidly pancreatic tumorigenesis in mice, validating their genetic interaction.

    • Pedro A. Pérez-Mancera
    • , Alistair G. Rust
    •  & David A. Tuveson

  • Letter |

    OTUB1 is an atypical deubiquitinating enzyme which prevents ubiquitin attachment and is important in the DNA damage pathway; structural analysis of OTUB1 in complex with an E2 ubiquitin-conjugating enzyme reveals that the ability of OTUB1 to inhibit ubiquitin chain synthesis is regulated by an allosteric feedback mechanism.

    • Reuven Wiener
    • , Xiangbin Zhang
    •  & Cynthia Wolberger

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