Cloning and characterization of the EAP30 subunit of the ELL complex that confers derepression of transcription by RNA polymerase II

Amy E. Schmidt, Trissa Miller, Susan L. Schmidt, Ramin Shiekhattar, Ali Shilatifard

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

The product of the human oncogene ELL encodes an RNA polymerase II transcription factor that undergoes frequent translocation in acute myeloid leukemia (AML). In addition to its elongation activity, ELL contains a novel type of RNA polymerase H interaction domain that is capable of repressing polymerase activity in promoter-specific transcription. Remarkably, the ELL translocation that is found in patients with AML results in the deletion of exactly this functional domain. Here we report that the EAP30 subunit of the ELL complex has sequence homology to the Saccharomyces cerevisiae SNF8, whose genetic analysis suggests its involvement in in the derepression of gene expression. Remarkably, EAP30 can interact ELL and derepress ELL's inhibitory activity in vitro. This finding may reveal a key role for EAP30 in the pathogenesis of human leukemia.

Original languageEnglish (US)
Pages (from-to)21981-21985
Number of pages5
JournalJournal of Biological Chemistry
Volume274
Issue number31
DOIs
StatePublished - Jul 30 1999
Externally publishedYes

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RNA Polymerase II
Cloning
DNA-Directed RNA Polymerases
Transcription
Acute Myeloid Leukemia
Gene expression
Yeast
Organism Cloning
Elongation
Transcription Factors
Oncogene Proteins
Sequence Homology
Saccharomyces cerevisiae
Leukemia
Gene Expression
In Vitro Techniques

ASJC Scopus subject areas

  • Biochemistry

Cite this

Cloning and characterization of the EAP30 subunit of the ELL complex that confers derepression of transcription by RNA polymerase II. / Schmidt, Amy E.; Miller, Trissa; Schmidt, Susan L.; Shiekhattar, Ramin; Shilatifard, Ali.

In: Journal of Biological Chemistry, Vol. 274, No. 31, 30.07.1999, p. 21981-21985.

Research output: Contribution to journalArticle

Schmidt, Amy E. ; Miller, Trissa ; Schmidt, Susan L. ; Shiekhattar, Ramin ; Shilatifard, Ali. / Cloning and characterization of the EAP30 subunit of the ELL complex that confers derepression of transcription by RNA polymerase II. In: Journal of Biological Chemistry. 1999 ; Vol. 274, No. 31. pp. 21981-21985.
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