title: ppApp alters transcriptional selectivity of Escherichia coli RNA polymerase.
mesh_terms: D000227:Adenine Nucleotides / Q000494:pharmacology*; D012321:DNA-Directed RNA Polymerases / Q000378:metabolism*; D004926:Escherichia coli / Q000201:enzymology; D006159:Guanosine Tetraphosphate / Q000494:pharmacology; D006493:Heparin / Q000494:pharmacology; D011189:Potassium Chloride / Q000494:pharmacology; D012329:RNA, Bacterial / Q000096:biosynthesis; D012335:RNA, Ribosomal / Q000096:biosynthesis; D014158:Transcription, Genetic / Q000187:drug effects*
chemical_list: D000227:Adenine Nucleotides; D012329:RNA, Bacterial; D012335:RNA, Ribosomal; C017990:adenosine 3'-diphosphate 5'-diphosphate; D006159:Guanosine Tetraphosphate; D011189:Potassium Chloride; D006493:Heparin; D012321:DNA-Directed RNA Polymerases