Genes Dev
Section of Molecular Biology, University of California at San Diego, La Jolla, California 92093, USA.
Published: January 2017
DNA sequence signals in the core promoter, such as the initiator (Inr), direct transcription initiation by RNA polymerase II. Here we show that the human Inr has the consensus of BBCABW at focused promoters in which transcription initiates at a single site or a narrow cluster of sites. The analysis of 7678 focused transcription start sites revealed 40% with a perfect match to the Inr and 16% with a single mismatch outside of the CA core. TATA-like sequences are underrepresented in Inr promoters. This consensus is a key component of the DNA sequence rules that specify transcription initiation in humans.
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http://dx.doi.org/10.1101/gad.293837.116 | DOI Listing |
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