title: DNA structure and gene regulation.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D004247:DNA; D004261:DNA Replication; D004269:DNA, Bacterial; D004279:DNA, Viral; D004926:Escherichia coli; D005786:Gene Expression Regulation; D008958:Models, Molecular; D009690:Nucleic Acid Conformation; D011485:Protein Binding; D014158:Transcription, Genetic
chemical_list: D004269:DNA, Bacterial; D004279:DNA, Viral; D004247:DNA