title: RNA polymerase unwinds an 11-base pair segment of a phage T7 promoter.
mesh_terms: D001665:Binding Sites; D004277:DNA, Single-Stranded; D004279:DNA, Viral / Q000378:metabolism*; D012321:DNA-Directed RNA Polymerases / Q000378:metabolism*; D005809:Genes, Regulator; D009690:Nucleic Acid Conformation; D009838:Oligodeoxyribonucleotides / Q000378:metabolism; D011485:Protein Binding
chemical_list: D004277:DNA, Single-Stranded; D004279:DNA, Viral; D009838:Oligodeoxyribonucleotides; D012321:DNA-Directed RNA Polymerases