After August 17, 2026, Novus Biologicals products and services will no longer be available on this website; you will access all products and services on rndsystems.com. Create your R&D Systems online account today.
E2F4 is a member of the E2F family of transcription factors. It binds DNA at the E2 recognition site found in the promoter region of a number of genes involved in cell cycle regulation and DNA replication. E2F4 binds to pRb, p107, and p130. Via its interaction with p130, E2F4 plays an important role in maintaining G2 arrest during G2 phase checkpoint activation.