Predicted to be involved in positive regulation of histone H3-K9 methylation; regulation of nucleobase-containing compound metabolic process; and telomere organization. Predicted to act upstream of or within cellular response to leukemia inhibitory factor and stem cell population maintenance. Predicted to be located in several cellular components, including chromosome; nucleus; and spindle midzone. Predicted to be active in nucleus. Orthologous to human RIF1 (replication timing regulatory factor 1). [provided by Alliance of Genome Resources, Apr 2022]