RNA polymerase II (RNAP II and Pol II) is an enzyme found in eukaryotic cells. It catalyzes the transcription of DNA to synthesize precursors of mRNA and most snRNA and microRNA. A 550 kDa complex of 12 subunits, RNAP II is the most studied type of RNA polymerase. A wide range of transcription factors are required for it to bind to upstream gene p...
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http://en.wikipedia.org/wiki/RNA_polymerase_II
(from the article `Nobel Prizes`) ...organism with which to work out the puzzles of genetic transcription in eukaryotic cells. Earlier researchers had determined that transcription is ...
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http://www.britannica.com/eb/a-z/r/55
<enzyme> A DNA-dependent RNA polymerase present in bacterial, plant, and animal cells. It functions in the nucleoplasmic structure and transcribes DNA into RNA. It has different requirements for cations and salt than RNA polymerase I and is strongly inhibited by alpha-amanitin. ... Registry number: EC 2.7.7.- ... (12 Dec 1998) ...
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http://www.encyclo.co.uk/local/20973
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