title: Alpha-amanitin: a specific inhibitor of one of two DNA-pendent RNA polymerase activities from calf thymus.
mesh_terms: D000818:Animals; D002417:Cattle; D004247:DNA; D004926:Escherichia coli / Q000201:enzymology; D006150:Guanine Nucleotides / Q000378:metabolism; D009183:Mycotoxins; D010759:Phosphorus Isotopes; D012313:RNA / Q000096:biosynthesis; D012316:RNA Nucleotidyltransferases / Q000037:antagonists & inhibitors*; D013950:Thymus Gland / Q000201:enzymology*
chemical_list: D006150:Guanine Nucleotides; D009183:Mycotoxins; D010759:Phosphorus Isotopes; D012313:RNA; D004247:DNA; D012316:RNA Nucleotidyltransferases