Transcription regulation by bacteriophage T4 AsiA

Leonid Minakhin, Konstantin Severinov

Research output: Contribution to journalReview articlepeer-review

9 Scopus citations

Abstract

Bacteriophage T4 AsiA, a strong inhibitor of bacterial RNA polymerase, was the first antisigma protein to be discovered. Recent advances that made it possible to purify large amounts of this highly toxic protein led to an increased understanding of AsiA function and structure. In this review, we discuss how the small 10-KDa AsiA protein plays a key role in T4 development through its ability to both inhibit and activate bacterial RNA polymerase transcription.

Original languageEnglish (US)
Pages (from-to)1-8
Number of pages8
JournalProtein Expression and Purification
Volume41
Issue number1
DOIs
StatePublished - May 2005

ASJC Scopus subject areas

  • Biotechnology

Keywords

  • Antisigma
  • Bacteriophase T4
  • RNA polymerase
  • Transcription regulation

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