Predicted to enable methylated histone binding activity. Predicted to be involved in negative regulation of DNA demethylation; protection of DNA demethylation of female pronucleus; and regulation of genetic imprinting. Predicted to act upstream of or within embryonic cleavage. Predicted to be located in cytoplasm; female pronucleus; and male pronucleus. Predicted to be active in nucleus. Orthologous to human DPPA3 (developmental pluripotency associated 3). [provided by Alliance of Genome Resources, Apr 2022]