Enables protein kinase activity and transcription corepressor activity. Acts upstream of or within negative regulation of transcription, DNA-templated and protein phosphorylation. Predicted to be located in cytoplasm. Is expressed in brown fat; heart; ovary; renal vasculature; and testis. Orthologous to human MAP3K10 (mitogen-activated protein kinase kinase kinase 10). [provided by Alliance of Genome Resources, Apr 2022]