title: Fluorescence studies on ribonucleic acid polymerase.
mesh_terms: D002087:Butyrates; D012321:DNA-Directed RNA Polymerases; D004926:Escherichia coli / Q000201:enzymology; D005453:Fluorescence; D013050:Spectrometry, Fluorescence; D013057:Spectrum Analysis
chemical_list: D002087:Butyrates; D012321:DNA-Directed RNA Polymerases