Enables enzyme binding activity. Acts upstream of or within cell population proliferation. Predicted to be located in nucleolus and nucleoplasm. Predicted to be part of replication fork protection complex. Is expressed in several structures, including cerebellum; early conceptus; gonad; immune system; and liver. Human ortholog(s) of this gene implicated in primary immunodeficiency disease. Orthologous to human MCM10 (minichromosome maintenance 10 replication initiation factor). [provided by Alliance of Genome Resources, Apr 2022]