Predicted to enable protein C-terminus binding activity; transcription coactivator activity; and transcription corepressor activity. Acts upstream of or within in utero embryonic development. Predicted to be located in Cajal body; Gemini of coiled bodies; and cytoplasm. Predicted to be active in nucleus. Is expressed in inner cell mass. Orthologous to human NPAT (nuclear protein, coactivator of histone transcription). [provided by Alliance of Genome Resources, Apr 2022]