Electrostatic and steric effects underlie acetylation-induced changes in ubiquitin structure and function.


Journal

Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555

Informations de publication

Date de publication:
16 09 2022
Historique:
received: 02 11 2021
accepted: 26 08 2022
entrez: 16 9 2022
pubmed: 17 9 2022
medline: 21 9 2022
Statut: epublish

Résumé

Covalent attachment of ubiquitin (Ub) to proteins is a highly versatile posttranslational modification. Moreover, Ub is not only a modifier but itself is modified by phosphorylation and lysine acetylation. However, the functional consequences of Ub acetylation are poorly understood. By generation and comprehensive characterization of all seven possible mono-acetylated Ub variants, we show that each acetylation site has a particular impact on Ub structure. This is reflected in selective usage of the acetylated variants by different E3 ligases and overlapping but distinct interactomes, linking different acetylated variants to different cellular pathways. Notably, not only electrostatic but also steric effects contribute to acetylation-induced changes in Ub structure and, thus, function. Finally, we provide evidence that p300 acts as a position-specific Ub acetyltransferase and HDAC6 as a general Ub deacetylase. Our findings provide intimate insights into the structural and functional consequences of Ub acetylation and highlight the general importance of Ub acetylation.

Identifiants

pubmed: 36114200
doi: 10.1038/s41467-022-33087-1
pii: 10.1038/s41467-022-33087-1
pmc: PMC9481602
doi:

Substances chimiques

Ubiquitin 0
Acetyltransferases EC 2.3.1.-
Ubiquitin-Protein Ligases EC 2.3.2.27
Lysine K3Z4F929H6

Types de publication

Journal Article Research Support, Non-U.S. Gov't

Langues

eng

Sous-ensembles de citation

IM

Pagination

5435

Informations de copyright

© 2022. The Author(s).

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Auteurs

Simon Maria Kienle (SM)

Department of Biology, University of Konstanz, Konstanz, Germany.
Konstanz Research School Chemical Biology, University of Konstanz, Konstanz, Germany.

Tobias Schneider (T)

Konstanz Research School Chemical Biology, University of Konstanz, Konstanz, Germany.
Department of Chemistry, University of Konstanz, Konstanz, Germany.

Katrin Stuber (K)

Department of Biology, University of Konstanz, Konstanz, Germany.
Konstanz Research School Chemical Biology, University of Konstanz, Konstanz, Germany.
Department of Chemistry, University of Konstanz, Konstanz, Germany.

Christoph Globisch (C)

Department of Chemistry, University of Konstanz, Konstanz, Germany.

Jasmin Jansen (J)

Department of Biology, University of Konstanz, Konstanz, Germany.
Konstanz Research School Chemical Biology, University of Konstanz, Konstanz, Germany.

Florian Stengel (F)

Department of Biology, University of Konstanz, Konstanz, Germany.
Konstanz Research School Chemical Biology, University of Konstanz, Konstanz, Germany.

Christine Peter (C)

Konstanz Research School Chemical Biology, University of Konstanz, Konstanz, Germany.
Department of Chemistry, University of Konstanz, Konstanz, Germany.

Andreas Marx (A)

Konstanz Research School Chemical Biology, University of Konstanz, Konstanz, Germany. andreas.marx@uni-konstanz.de.
Department of Chemistry, University of Konstanz, Konstanz, Germany. andreas.marx@uni-konstanz.de.

Michael Kovermann (M)

Konstanz Research School Chemical Biology, University of Konstanz, Konstanz, Germany. michael.kovermann@uni-konstanz.de.
Department of Chemistry, University of Konstanz, Konstanz, Germany. michael.kovermann@uni-konstanz.de.

Martin Scheffner (M)

Department of Biology, University of Konstanz, Konstanz, Germany. martin.scheffner@uni-konstanz.de.
Konstanz Research School Chemical Biology, University of Konstanz, Konstanz, Germany. martin.scheffner@uni-konstanz.de.

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