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Additional recommended knowledge
If the transcription is terminated prematurely (often after 100 - 1000 base pairs), the antiterminator binds to the transcribed RNA or upstream of the DNA terminator and "re-starts" the transcription.
Important in lambda-phage transcriptional regulation and also a form of positive regulation. In lambda-phage proteins N and Q are antiterminators. N protein prevents termination in early operons of lambda, but not in other phage or bacterial operons.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Antitermination". A list of authors is available in Wikipedia.|