Polymerases,RNA

《英文msh詞典》Polymerases,RNA
[入口詞] Polymerases,RNA
[主題詞] DNA-Directed RNA Polymerases
[英文釋義] Enzymes that catalyze DNA template-directed extension of the 3'-end of an RNA strand one nucleotide at a time. They can initiate a chain de novo. In eukaryotes,three forms of the enzyme have been distinguished on the basis of sensitivity to alpha-amanitin,and the type of RNA synthesized. (From Enzyme Nomenclature,1992).