《英文msh詞典》RNA Polymerase A
[入口詞] RNA Polymerase A
[主題詞] RNA Polymerase I
[英文釋義] A DNA-dependent RNA polymerase present in bacterial,plant,and animal cells. The enzyme functions in the nucleolar structure and transcribes DNA into RNA. It has different requirements for cations and salts than RNA polymerase II and III and is not inhibited by alpha-amanitin. EC 2.7.7.6.