Usp28 - ubiquitin specific peptidase 28 (Norway rat)
Gene
Symbol
Taxonomy
Dates
- Create:2016-09-14
- Modify:2025-01-18
Description
Predicted to enable cysteine-type deubiquitinase activity. Predicted to be involved in several processes, including intracellular signal transduction; protein deubiquitination involved in ubiquitin-dependent protein catabolic process; and response to ionizing radiation. Predicted to be located in nuclear body. Predicted to be part of protein-containing complex. Predicted to be active in cytosol and nucleus. Orthologous to human USP28 (ubiquitin specific peptidase 28).
- ubiquitin carboxyl-terminal hydrolase 28
- deubiquitinating enzyme 28
- ubiquitin specific protease 28
- ubiquitin thioesterase 28
- ubiquitin thiolesterase 28
- ubiquitin-specific-processing protease 28
Deubiquitinase involved in DNA damage response checkpoint and MYC proto-oncogene stability. Involved in DNA damage induced apoptosis by specifically deubiquitinating proteins of the DNA damage pathway such as CLSPN. Also involved in G2 DNA damage checkpoint, by deubiquitinating CLSPN, and preventing its degradation by the anaphase promoting complex/cyclosome (APC/C). In contrast, it does not deubiquitinate PLK1. Specifically deubiquitinates MYC in the nucleoplasm, leading to prevent MYC degradation by the proteasome: acts by specifically interacting with FBXW7 (FBW7alpha) in the nucleoplasm and counteracting ubiquitination of MYC by the SCF(FBXW7) complex. Deubiquitinates ZNF304, hence preventing ZNF304 degradation by the proteasome and leading to the activated KRAS-mediated promoter hypermethylation and transcriptional silencing of tumor suppressor genes (TSGs) in a subset of colorectal cancers (CRC) cells.
Isoform
UniProt ID
RefSeq Accession
Highly accurate protein structure prediction with AlphaFold. Nature. 2021 Aug;596(7873):583-589. DOI:10.1038/s41586-021-03819-2. PMID:34265844; PMCID:PMC8371605
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