RNA polymerase I-Rrn3 complex at 4.8 Å resolution

Engel, C.; Plitzko, Jürgen; Cramer, P.

doi:10.1038/ncomms12129

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RNA polymerase I-Rrn3 complex at 4.8 Å resolution

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Plitzko, Jürgen
Baumeister, Wolfgang / Molecular Structural Biology, Max Planck Institute of Biochemistry, Max Planck Society;

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Engel, C., Plitzko, J., & Cramer, P. (2016). RNA polymerase I-Rrn3 complex at 4.8 Å resolution. Nature Communications, 7: 12129. doi:10.1038/ncomms12129.

Cite as: https://hdl.handle.net/11858/00-001M-0000-002B-9F1F-D

Abstract

Transcription of ribosomal DNA by RNA polymerase I (Pol I) requires the initiation factor Rrn3. Here we report the cryo-EM structure of the Pol I-Rrn3 complex at 4.8 Å resolution. The structure reveals how Rrn3 binding converts an inactive Pol I dimer into an initiation-competent monomeric complex and provides insights into the mechanisms of Pol I-specific initiation and regulation.