Subunit of DNA pol epsilon and of ISW2 chromatin accessibility complex%3B involved in both chromosomal DNA replication and inheritance of telomeric silencing%3B stabilizes the interaction of Pol epsilon with primer-template DNA%2C positively affecting the processivity of the polymerase and exonuclease activities of Pol epsilon%3B interacts with extranucleosomal DNA and acts as anchor point for ISW2 complex that retains its position on DNA during nucleosome mobilization