Article
Roles of a 106-bp origin enhancer and Escherichia coli DnaA protein in replication of plasmid R6K.
Nucleic acids research - 25 Feb 1992
Wu F, Goldberg I, Filutowicz M
Abstract excerpt
A dnaA 'null' strain could not support replication of intact plasmid R6K or derivatives containing combinations of its three replication origins (alpha, gamma, beta). DnaA binds in vitro to sites in two functionally distinct segments of the central gamma origin. The 277-bp core segment is common to all three origins and contains DnaA box 2, which cannot be deleted without preventing replication. Immediately to...
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