Article
Rad25p, a DNA helicase subunit of yeast transcription factor TFIIH, is required for promoter escape in vivo.
Gene - 7 Mar 2000
Ostapenko D, Gileadi O
Abstract excerpt
The general transcription factor TFIIH is required for initial DNA unwinding and promoter escape by RNA polymerase II in vitro. We examined whether Rad25p, a DNA helicase subunit of TFIIH, mediates promoter opening and promoter escape in the yeast Saccharomyces cerevisiae. DNA unwinding was probed with an in vivo permanganate reactivity assay, in a temperature-sensitive mutant of RAD25. The consequences of Rad25p...
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