title: 5'-TriphosphaTe termini of RNAs made in vivo and in vitro by HeLa and KB cell DNA-dependent RNA polymerases.
mesh_terms: D000255:Adenosine Triphosphate / Q000032:analysis; D000818:Animals; D002277:Carcinoma; D002466:Cell Nucleolus / Q000378:metabolism; D002478:Cells, Cultured; D012321:DNA-Directed RNA Polymerases / Q000378:metabolism*; D003609:Dactinomycin; D006147:Guanine; D006160:Guanosine Triphosphate / Q000032:analysis; D006367:HeLa Cells / Q000378:metabolism; D006801:Humans; D009062:Mouth Neoplasms; D012334:RNA, Neoplasm / Q000096:biosynthesis*; D012335:RNA, Ribosomal / Q000096:biosynthesis; D014316:Tritium; D014529:Uridine
chemical_list: D012334:RNA, Neoplasm; D012335:RNA, Ribosomal; D014316:Tritium; D003609:Dactinomycin; D006147:Guanine; D006160:Guanosine Triphosphate; D000255:Adenosine Triphosphate; D012321:DNA-Directed RNA Polymerases; D014529:Uridine