1. Purification of the rep Protein of Escherichia coli: An ATPase Which Separates Duplex DNA Strands in Advance of Replication Publication: American Society for Biochemistry and Molecular Biology, 10 May 1978 Subject(s): DNAProteinsEscherichia coliAdenosine Triphosphatases Archival Collection: The Arthur Kornberg Papers (Profiles in Science)