Reference: Jasiak AJ, et al. (2008) Genome-associated RNA polymerase II includes the dissociable Rpb4/7 subcomplex. J Biol Chem 283(39):26423-7

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Abstract


Yeast RNA polymerase (Pol) II consists of a 10-subunit core enzyme and the Rpb4/7 subcomplex, which is dispensable for catalytic activity and dissociates in vitro. To investigate whether Rpb4/7 is an integral part of DNA-associated Pol II in vivo, we used chromatin immunoprecipitation coupled to high resolution tiling microarray analysis. We show that the genome-wide occupancy profiles for Rpb7 and the core subunit Rpb3 are essentially identical. Thus, the complete Pol II associates with DNA in vivo, consistent with functional roles of Rpb4/7 throughout the transcription cycle.

Reference Type
Journal Article | Research Support, Non-U.S. Gov't
Authors
Jasiak AJ, Hartmann H, Karakasili E, Kalocsay M, Flatley A, Kremmer E, Strässer K, Martin DE, Söding J, Cramer P
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