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Overall structure of the UvrA monomer, with a helices depicted as cylinders and b strands as arrows. The protein is colored by domains, ATP-binding I (1–87, 503–590), red; signature I (88–117, 257–286, 399–502), pink; ATP-binding II (609–686, 843–952), blue; signature II (687–842), cyan; UvrB-binding (118–256), yellow; insertion (287–398), green; and linker (591–608), gray; with the Zn atoms, numbered by module, in light green. The bound ADP molecules are shown as space-?lling models. The location of each domain, colored as above, is projected onto the primary sequence of BstUvrA, shown as a bar. |
