Predicted to enable protein phosphatase activator activity. Acts upstream of or within several processes, including positive regulation of cellular component organization; regulation of protein phosphorylation; and regulation of transcription, DNA-templated. Predicted to be part of protein phosphatase type 2A complex. Predicted to be active in cytosol and nucleus. Orthologous to human PPP2R5B (protein phosphatase 2 regulatory subunit B'beta). [provided by Alliance of Genome Resources, Apr 2022]