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USP22

Histone deubiquitinating component of the transcription regulatory histone acetylation (HAT) complex SAGA. Catalyzes the deubiquitination of both histones H2A and H2B, thereby acting as a coactivator. Recruited to specific gene promoters by activators such as MYC, where it is required for transcription. Required for nuclear receptor-mediated transactivation and cell cycle progression.
Protein class

Enzymes, Metabolic proteins

Predicted location

Intracellular

Single cell type specificity

Low cell type specificity

Immune cell specificity

Low immune cell specificity

Cell line specificity

Low cell line specificity

Interaction

Component of some SAGA transcription coactivator-HAT complexes, at least composed of ATXN7, ATXN7L3, ENY2, GCN5L2, SUPT3H, TAF10, TRRAP and USP22. Within the SAGA complex, ATXN7L3, ENY2 and USP22 form a subcomplex required for histone deubiquitination (PubMed:18206972, PubMed:27601583). Interacts directly with ATXN7L3; leading to its recruitment to the SAGA complex (PubMed:18206972). Interacts with ATXN7L3 and weakly with ATXN7L3B (PubMed:27601583).

Molecular function

Activator, Chromatin regulator, Hydrolase, Protease, Thiol protease

More Types Infomation

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