title: DNA unwinding in transcription and recombination.
mesh_terms: D001426:Bacterial Proteins / Q000378:metabolism; D004247:DNA / Q000378:metabolism*; D012321:DNA-Directed RNA Polymerases / Q000378:metabolism; D004926:Escherichia coli / Q000235:genetics; D011938:Rec A Recombinases; D011995:Recombination, Genetic; D014158:Transcription, Genetic
chemical_list: D001426:Bacterial Proteins; D004247:DNA; D011938:Rec A Recombinases; D012321:DNA-Directed RNA Polymerases