Ubiquitin-like domain-containing CTD phosphatase 1

UniProtKB accession:  Q9XZ16

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UniProtKB description:  Dephosphorylates 26S nuclear proteasomes, thereby decreasing their proteolytic activity (By similarity). Recruited to the 19S regulatory particle of the 26S proteasome where it dephosphorylates 19S component Rpt1 which impairs Rpt1 ATPase activity and disrupts 26S proteasome assembly (By similarity).