Replication protein A 70 kDa DNA-binding subunit is a protein that in humans is encoded by the RPA1 gene. Interactions Replication protein A1 has been shown to interact with: BRCA2, BLM, MCM2, MCM4, MCM6, MCM7, MUTYH, ORC2L, ORC6L, P53, RPA2, RPA3, TIPIN, TP53BP1, and XPA. See also Replication protein A Replication protein A2 Replication protein A3 Single-stranded binding protein References Further reading