The TFB4 subunit of yeast TFIIH is required for both nucleotide excision repair and RNA polymerase II transcription

William J. Feaver, Wenya Huang, Errol C. Friedberg

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7 Citations (Scopus)

Abstract

The N-degron strategy has been used to generate a yeast strain harboring a temperature-sensitive allele of TFB4 (tfb4(td)), the gene that encodes the 37-kDa subunit of the transcription/repair factor TFIIH. The tfb4(td) strain was sensitive to UV radiation and is defective in nucleotide excision repair in vitro. The mutant strain was also found to be an inositol auxotroph due at least in part to an inability to properly induce expression of the INO1 gene. These results indicate that like other subunits of TFIIH, Tfb4 is required for both RNA polymerase II transcription and DNA repair.

Original languageEnglish
Pages (from-to)29564-29567
Number of pages4
JournalJournal of Biological Chemistry
Volume274
Issue number41
DOIs
Publication statusPublished - 1999 Oct 8

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All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Molecular Biology
  • Cell Biology

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