Transcriptional activation by TFIIB mutants that are severely impaired in interaction with promoter DNA and acidic activation domains.

Abstract excerpt

Biochemical experiments indicate that the general transcription factor IIB (TFIIB) can interact directly with acidic activation domains and that activators can stimulate transcription by increasing recruitment of TFIIB to promoters. For promoters at which recruitment of TFIIB to promoters is limiting in vivo, one would predict that transcriptional activity should be particularly sensitive to TFIIB mutations that...

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