Term Name: | single subunit type RNA polymerase activity |
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Synonyms: | T3/T7 type RNA polymerase activity |
Definition: | Catalysis of the reaction: nucleoside triphosphate + RNA(n) = diphosphate + RNA(n+1). Utilizes a DNA template that contains a single-subunit-type RNA polymerase-specific promoter to direct initiation and catalyses DNA-template-directed extension of the 3'-end of an RNA strand by one nucleotide at a time. Can initiate a chain 'de novo'. |
Ontology: | GO: Molecular Function [GO:0001064] QuickGO AmiGO |