Subunit of heterotrimeric Replication Protein A (RPA)%3B RPA is a highly conserved single-stranded DNA binding protein involved in DNA replication%2C repair%2C and recombination%3B RPA protects against inappropriate telomere recombination%2C and upon telomere uncapping%2C prevents cell proliferation by a checkpoint-independent pathway%3B in concert with Sgs1p-Top2p-Rmi1p%2C stimulates DNA catenation/decatenation activity of Top3p%3B protein abundance increases in response to DNA replication s