The Met1-linked ubiquitin machinery: Emerging themes of (de)regulation

The linear ubiquitin chain assembly complex, LUBAC, is the only known mammalian ubiquitin ligase that makes methionine 1 (Met1) linked polyubiquitin (also referred to as linear ubiquitin). A decade after LUBAC was discovered as a cellular activity of unknown function, there are now many lines of evi...

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Main Authors: Hrdinka, M, Gyrd-Hansen, M
Format: Journal article
Published: Elsevier 2017
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author Hrdinka, M
Gyrd-Hansen, M
author_facet Hrdinka, M
Gyrd-Hansen, M
author_sort Hrdinka, M
collection OXFORD
description The linear ubiquitin chain assembly complex, LUBAC, is the only known mammalian ubiquitin ligase that makes methionine 1 (Met1) linked polyubiquitin (also referred to as linear ubiquitin). A decade after LUBAC was discovered as a cellular activity of unknown function, there are now many lines of evidence connecting Met1-linked polyubiquitin to NF-B signaling, cell death, inflammation, immunity and cancer. We now know that Met1-linked polyubiquitin has potent signaling functions and that its deregulation is connected to disease. Indeed, mutations and deficiencies in several factors involved in conjugation and deconjugation of Met1-linked polyubiquitin have been implicated in immune-related disorders. Here, we discuss current knowledge and recent insights into the role and regulation of Met1-linked polyubiquitin, with an emphasis on the mechanisms controlling the function of LUBAC.
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spelling oxford-uuid:5ee1ec08-9d7c-42fd-a115-e626d1afb0732022-03-26T17:43:29ZThe Met1-linked ubiquitin machinery: Emerging themes of (de)regulationJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:5ee1ec08-9d7c-42fd-a115-e626d1afb073Symplectic Elements at OxfordElsevier2017Hrdinka, MGyrd-Hansen, MThe linear ubiquitin chain assembly complex, LUBAC, is the only known mammalian ubiquitin ligase that makes methionine 1 (Met1) linked polyubiquitin (also referred to as linear ubiquitin). A decade after LUBAC was discovered as a cellular activity of unknown function, there are now many lines of evidence connecting Met1-linked polyubiquitin to NF-B signaling, cell death, inflammation, immunity and cancer. We now know that Met1-linked polyubiquitin has potent signaling functions and that its deregulation is connected to disease. Indeed, mutations and deficiencies in several factors involved in conjugation and deconjugation of Met1-linked polyubiquitin have been implicated in immune-related disorders. Here, we discuss current knowledge and recent insights into the role and regulation of Met1-linked polyubiquitin, with an emphasis on the mechanisms controlling the function of LUBAC.
spellingShingle Hrdinka, M
Gyrd-Hansen, M
The Met1-linked ubiquitin machinery: Emerging themes of (de)regulation
title The Met1-linked ubiquitin machinery: Emerging themes of (de)regulation
title_full The Met1-linked ubiquitin machinery: Emerging themes of (de)regulation
title_fullStr The Met1-linked ubiquitin machinery: Emerging themes of (de)regulation
title_full_unstemmed The Met1-linked ubiquitin machinery: Emerging themes of (de)regulation
title_short The Met1-linked ubiquitin machinery: Emerging themes of (de)regulation
title_sort met1 linked ubiquitin machinery emerging themes of de regulation
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