Article
Bur1 kinase is required for efficient transcription elongation by RNA polymerase II.
Molecular and cellular biology - 1 Oct 2003
Keogh Michael-Christopher, Podolny Vladimir, Buratowski Stephen
Abstract excerpt
The Saccharomyces cerevisiae cyclin-dependent kinase (CDK) Bur1 (Sgv1) may be homologous to mammalian Cdk9, which functions in transcriptional elongation. Although Bur1 can phosphorylate the Rpb1 carboxy-terminal domain (CTD) kinase in vitro, it has no strong specificity within the consensus heptapeptide YSPTSPS for Ser2 or Ser5. BUR1 mutants are sensitive to the drugs 6-azauracil and mycophenolic acid and...
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