https://www.selleckchem.com/pr....oducts/lenalidomide-
Although transcription by RNA polymerase (RNAP) is highly processive, elongation can be transiently halted by RNAP pausing. Pausing provides time for diverse regulatory events to occur such as RNA folding and regulatory factor binding. The transcription elongation factors NusA and NusG dramatically affect the frequency and duration of RNAP pausing, and hence regulation of transcription. NusG is the only transcription factor conserved in all three domains of life; its homolog in archaea and eukaryotes is Spt5. This review focu
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