Automated description from the Alliance of Genome Resources (Release 7.0.0)
Enables protein phosphatase regulator activity. Involved in positive regulation of peptidyl-serine dephosphorylation. Acts upstream of or within ER overload response and response to hydrogen peroxide. Part of protein phosphatase type 1 complex. Is expressed in compacted morula and inner cell mass. Orthologous to human PPP1R15B (protein phosphatase 1 regulatory subunit 15B).