Formation and fate of a complete 31-protein RNA polymerase II transcription preinitiation complex

Kenji Murakami, Guillermo Calero, Christopher R. Brown, Xin Liu, Ralph E. Davis, Hinrich Boeger, Roger D. Kornberg

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Whereas individual RNA polymerase II (pol II)-general transcription factor (GTF) complexes are unstable, an assembly of pol II with six GTFs and promoter DNA could be isolated in abundant homogeneous form. The resulting complete pol II transcription preinitiation complex (PIC) contained equimolar amounts of all 31 protein components. An intermediate in assembly, consisting of four GTFs and promoter DNA, could be isolated and supplemented with the remaining components for formation of the PIC. Nuclease digestion and psoralen crosslinking mapped the PIC between positions -70 and -9, centered on the TATA box. Addition of ATP to the PIC resulted in quantitative conversion to an open complex, which retained all 31 proteins, contrary to expectation from previous studies. Addition of the remaining NTPs resulted in run-off transcription, with an efficiency that was promoter-dependent and was as great as 17.5% with the promoters tested.

Original languageEnglish (US)
Pages (from-to)6325-6332
Number of pages8
JournalJournal of Biological Chemistry
Volume288
Issue number9
DOIs
StatePublished - Mar 1 2013

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RNA Polymerase II
Transcription
General Transcription Factors
Ficusin
TATA Box
DNA
Crosslinking
Digestion
Proteins
Adenosine Triphosphate

ASJC Scopus subject areas

  • Biochemistry
  • Cell Biology
  • Molecular Biology

Cite this

Formation and fate of a complete 31-protein RNA polymerase II transcription preinitiation complex. / Murakami, Kenji; Calero, Guillermo; Brown, Christopher R.; Liu, Xin; Davis, Ralph E.; Boeger, Hinrich; Kornberg, Roger D.

In: Journal of Biological Chemistry, Vol. 288, No. 9, 01.03.2013, p. 6325-6332.

Research output: Contribution to journalArticle

Murakami, Kenji ; Calero, Guillermo ; Brown, Christopher R. ; Liu, Xin ; Davis, Ralph E. ; Boeger, Hinrich ; Kornberg, Roger D. / Formation and fate of a complete 31-protein RNA polymerase II transcription preinitiation complex. In: Journal of Biological Chemistry. 2013 ; Vol. 288, No. 9. pp. 6325-6332.
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