Predicted to enable chromatin binding activity and histone binding activity. Predicted to be involved in negative regulation of DNA replication; negative regulation of cell growth; and regulation of protein kinase activity. Predicted to act upstream of or within chromatin organization. Predicted to be located in nucleolus. Predicted to be active in chromatin and nucleus. Is expressed in several structures, including alimentary system; genitourinary system; heart; nervous system; and sensory organ. Orthologous to human TSPYL2 (TSPY like 2). [provided by Alliance of Genome Resources, Apr 2022]