RNA polymerase
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 An electron-micrograph of DNA strands decorated by hundreds of RNAP molecules too small to be resolved. Each RNAP is transcribing an RNA strand, which can be seen branching off from the DNA. "Begin" indicates the 3' end of the DNA, where RNAP initiates transcription; "End" indicates the 5' end, where the longer RNA molecules are almost completely transcribed. |
RNA polymerase (RNAP or RNApol), also known as DNA-dependent RNA polymerase, is an enzyme that produces RNA. In cells, RNAP is necessary for constructing RNA chains using DNA genes as templates, a process called transcription. RNA polymerase enzymes are essential to life and are found in all organisms and many viruses. In chemical terms, RNAP is a nucleotidyl transferase that polymerizes ribonucleotides at the 3' end of an RNA transcript.
- See also: Wikipedia
- Related: Transcription (genetics), DNA polymerase, T7 RNA polymerase, RNA polymerase I, RNA polymerase II, RNA polymerase III, Alpha-amanitin
| DNAi DNAi www.dnai.org - Web |
| RNA Polymerase - Synthesis RNA from DNA Template RNA Polymerase - Synthesis RNA from DNA Template bioteachnology.com/.../rna-polymerase-synthesis-rna-from-dna-template - Web |
| 3D macromolecular structures of RNA Polymerase fro... 3D macromolecular structures of RNA Polymerase from the EM Data Bank(EMDB) www.pdbe.org/emsearch/rna\%20polymerase - Web |
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