DNA-directed 5'-3' RNA polymerase activity DNA-dependent ribonucleate nucleotidyltransferase activity transcriptase; DNA-directed RNA polymerase activity DNA-dependent RNA polymerase activity Reactome:R-HSA-174425; Reactome:R-HSA-111264; Reactome:R-HSA-427366; Reactome:R-HSA-75850; Reactome:R-HSA-167115; Reactome:R-HSA-167121; Reactome:R-HSA-74986; Reactome:R-HSA-68913; EC:2.7.7.6; Reactome:R-HSA-167117; Reactome:R-HSA-167136; Reactome:R-HSA-9670149; Reactome:R-HSA-6781824; Reactome:R-HSA-75869; Reactome:R-HSA-167113; MetaCyc:DNA-DIRECTED-RNA-POLYMERASE-RXN; Reactome:R-HSA-76576; Reactome:R-HSA-203901; Reactome:R-HSA-5601926; Reactome:R-HSA-75873 RNA nucleotidyltransferase (DNA-directed) activity Catalysis of the reaction: nucleoside triphosphate + RNA(n) = diphosphate + RNA(n+1). Utilizes a DNA template, i.e. the catalysis of DNA-template-directed extension of the 3'-end of an RNA strand by one nucleotide at a time. Can initiate a chain 'de novo'. [database_cross_reference: GOC:pf][database_cross_reference: EC:2.7.7.6] DNA-directed RNA polymerase I activity; DNA-directed RNA polymerase III activity; RNA polymerase I activity; RNA polymerase II activity; RNA polymerase III activity; DNA-directed RNA polymerase II activity C RNA formation factors DNA-dependent RNA nucleotidyltransferase activity deoxyribonucleic acid-dependent ribonucleic acid polymerase activity http://purl.obolibrary.org/obo/go.owl nucleoside-triphosphate:RNA nucleotidyltransferase (DNA-directed) activity 5'-3' RNA polymerase activity