title: The effects of KC1 concentration on the transcription by E. coli RNA polymerase. I. Specific effect of the combination of nucleoside triphosphates.
mesh_terms: D003090:Coliphages / Q000378:metabolism; D004279:DNA, Viral / Q000096:biosynthesis; D012321:DNA-Directed RNA Polymerases; D004926:Escherichia coli / Q000378:metabolism*; D011189:Potassium Chloride / Q000494:pharmacology*; D012329:RNA, Bacterial / Q000096:biosynthesis; D014158:Transcription, Genetic / Q000187:drug effects*
chemical_list: D004279:DNA, Viral; D012329:RNA, Bacterial; D011189:Potassium Chloride; D012321:DNA-Directed RNA Polymerases