title: ATP-dependent unwinding of double helix in closed circular DNA by recA protein of E. coli.
mesh_terms: D000255:Adenosine Triphosphate / Q000378:metabolism*; D001426:Bacterial Proteins / Q000378:metabolism*; D004264:DNA Topoisomerases, Type I / Q000378:metabolism*; D004278:DNA, Superhelical / Q000378:metabolism*; D004926:Escherichia coli; D011938:Rec A Recombinases; D011995:Recombination, Genetic
chemical_list: D001426:Bacterial Proteins; D004278:DNA, Superhelical; D000255:Adenosine Triphosphate; D011938:Rec A Recombinases; D004264:DNA Topoisomerases, Type I