The DOI matches its Crossref record; 198 of the 198 references it cites were found in a registry or an index.
An expanded lexicon for the ubiquitin code
Open accessAbstract
Recent studies have expanded our understanding of the mechanisms and functions of ubiquitylation. Pathogens rewrite ubiquitylation to promote infection through unconventional ubiquitylation involving lipids and sugars, and structural studies have revealed that ubiquitin functions involve elaborate multivalent interactions that regulate transcription or protein degradation. Our understanding of the ubiquitin code has greatly evolved from conventional E1, E2 and E3 enzymes that modify Lys residues on specific substrates with a single type of ubiquitin chain to more complex processes that regulate and mediate ubiquitylation. In this Review, we discuss recently discovered endogenous mechanisms and unprecedented pathways by which pathogens rewrite the ubiquitin code to promote infection. These processes include unconventional ubiquitin modifications involving ester linkages with proteins, lipids and sugars, or ubiquitylation through a phosphoribosyl bridge involving Arg42 of ubiquitin. We also introduce the enzymatic pathways that write and reverse these modifications, such as the papain-like proteases of severe acute respiratory syndrome coronavirus (SARS-CoV) and SARS-CoV-2. Furthermore, structural studies have revealed that the ultimate functions of ubiquitin are mediated not simply by straightforward recognition by ubiquitin-binding domains. Instead, elaborate multivalent interactions between ubiquitylated targets or ubiquitin chains and their readers (for example, the proteasome, the MLL1 complex or DOT1L) can elicit conformational changes that regulate protein degradation or transcription. The newly discovered mechanisms provide opportunities for innovative therapeutic interventions for diseases such as cancer and infectious diseases.
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Structural mechanisms of autoinhibition and substrate recognition by the ubiquitin ligase HACE1
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Metadata
- Authors
- Dikic, I., & Schulman, B. A.
- Venue
- Nature Reviews Molecular Cell Biology
- Published
- 2022-10-25
- Volume
- 24
- Issue
- 4
- Pages
- 273-287
- ISSN
- 1471-0072 (ISSN-L)
- 1471-0080
- OpenAlex
- W4307216811
- Cited by
- 417
- References
- 198
- FWCI
- 6.89
- Type
- journal article
- Language
- en
- Open access
- bronze
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