Predicted to enable DNA-directed DNA polymerase activity. Involved in DNA replication, synthesis of RNA primer. Acts upstream of or within DNA replication and protein import into nucleus. Located in nucleus. Part of alpha DNA polymerase:primase complex. Is expressed in several structures, including alimentary system; brain; genitourinary system; integumental system; and sensory organ. Orthologous to human POLA2 (DNA polymerase alpha 2, accessory subunit). [provided by Alliance of Genome Resources, Apr 2022]