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Hydrolase that deubiquitinates polyubiquitinated target proteins such as MDM2, MDM4 and CCND1. Isoform 1 and isoform 4 possess both ubiquitin-specific peptidase and isopeptidase activities. Deubiquitinates MDM2 without reversing MDM2-mediated p53/TP53 ubiquitination and thus indirectly promotes p53/TP53 degradation and limits p53 activity. Has no deubiquitinase activity against p53/TP53. Prevents MDM2-mediated degradation of MDM4. Plays a role in the G1/S cell-cycle progression in normal and cancer cells. Plays a role in the regulation of myogenic differentiation of embryonic muscle cells.
Gene Name: | ubiquitin specific peptidase 2 |
Family/Subfamily: | Protease , Cysteine C19 |
Synonyms: | USP2, Deubiquitinating enzyme 2, Ubiquitin specific peptidase 2, Ubiquitin specific protease 9, USP9, Ubiquitin specific protease 12, Ubiquitin specific protease 2, Ubiquitin thioesterase 2, UBP41 |
Target Sequences: | NM_004205 NP_004196.4 O75604 |
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