Mechanism of initiator-mediated transcription: evidence for a functional interaction between the TATA-binding protein and DNA in the absence of a specific recognition sequence.

Abstract excerpt

Promoters containing Sp1 binding sites and an initiator element but lacking a TATA box direct high levels of accurate transcription initiation by using a mechanism that requires the TATA-binding protein (TBP). We have begun to address the role of TBP during transcription from Sp1-initiator promoters by varying the nucleotide sequence between -14 and -33 relative to the start site. With each of several promoters...

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