Theophylline inhibits the transcription of the lac operon in Escherichia coli.
D001426:Bacterial Proteins / Q000096:biosynthesis; D002247:Carbon Isotopes; D000242:Cyclic AMP / Q000494:pharmacology; D004790:Enzyme Induction; D004794:Enzyme Repression; D004926:Escherichia coli / Q000187:drug effects* / Q000201:enzymology / Q000254:growth & development / Q000378:metabolism; D005696:Galactosidases / Q000096:biosynthesis / Q000378:metabolism; D007785:Lactose / Q000378:metabolism; D007930:Leucine / Q000378:metabolism; D009876:Operon; D014176:Protein Biosynthesis / Q000187:drug effects; D012333:RNA, Messenger / Q000096:biosynthesis; D012335:RNA, Ribosomal / Q000096:biosynthesis; D013806:Theophylline / Q000494:pharmacology*; D014158:Transcription, Genetic / Q000187:drug effects*
D001426:Bacterial Proteins; D002247:Carbon Isotopes; D012333:RNA, Messenger; D012335:RNA, Ribosomal; D013806:Theophylline; D000242:Cyclic AMP; D005696:Galactosidases; D007930:Leucine; D007785:Lactose