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Journal Article

CDK12 globally stimulates RNA polymerase II transcription elongation and carboxyl-terminal domain phosphorylation

MPS-Authors
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Caizzi,  L.
Department of Molecular Biology, MPI for Biophysical Chemistry, Max Planck Society;

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Mohammad,  E.
Department of Molecular Biology, MPI for Biophysical Chemistry, Max Planck Society;

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Velychko,  T.
Department of Molecular Biology, MPI for Biophysical Chemistry, Max Planck Society;

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Schwalb,  B.
Department of Molecular Biology, MPI for Biophysical Chemistry, Max Planck Society;

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Cramer,  P.
Department of Molecular Biology, MPI for Biophysical Chemistry, Max Planck Society;

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Fulltext (public)

3254670.pdf
(Publisher version), 6MB

Supplementary Material (public)

3254670-Suppl.pdf
(Supplementary material), 3MB

Citation

Tellier, M., Zaborowska, J., Caizzi, L., Mohammad, E., Velychko, T., Schwalb, B., et al. (2020). CDK12 globally stimulates RNA polymerase II transcription elongation and carboxyl-terminal domain phosphorylation. Nucleic Acids Research, 48(14), 7712-7727. doi:10.1093/nar/gkaa514.


Cite as: https://hdl.handle.net/21.11116/0000-0007-151B-4
Abstract
Cyclin-dependent kinase 12 (CDK12) phosphorylates the carboxyl-terminal domain (CTD) of RNA polymerase II (pol II) but its roles in transcription beyond the expression of DNA damage response genes remain unclear. Here, we have used TT-seq and mNET-seq to monitor the direct effects of rapid CDK12 inhibition on transcription activity and CTD phosphorylation in human cells. CDK12 inhibition causes a genome-wide defect in transcription elongation and a global reduction of CTD Ser2 and Ser5 phosphorylation. The elongation defect is explained by the loss of the elongation factors LEO1 and CDC73, part of PAF1 complex, and SPT6 from the newly-elongating pol II. Our results indicate that CDK12 is a general activator of pol II transcription elongation and indicate that it targets both Ser2 and Ser5 residues of the pol II CTD.