Predicted to enable methylated histone binding activity. Acts upstream of or within positive regulation of transcription, DNA-templated; protein import into nucleus; and regulation of cell death. Located in nucleus. Is expressed in several structures, including central nervous system; early conceptus; genitourinary system; hemolymphoid system gland; and liver. Human ortholog(s) of this gene implicated in head and neck squamous cell carcinoma and squamous cell carcinoma. Orthologous to human ING1 (inhibitor of growth family member 1). [provided by Alliance of Genome Resources, Apr 2022]