StructureBiochemistryPeer-reviewed journal article
Identification of three sequence motifs in the transcription termination factor Sen1 that mediate direct interactions with Nrd1
Abstract
The Nrd1-Nab3-Sen1 (NNS) complex carries out the transcription termination of noncoding RNAs (ncRNAs) in yeast, although the detailed interactions among its subunits remain obscure. Here we have identified three sequence motifs in Sen1 that mediate direct interactions with the RNA polymerase II CTD interaction domain (CID) of Nrd1, determined the crystal structures of these Nrd1 interaction motifs (NIMs) bound to the CID, and characterized the interactions in vitro and in yeast.
- organism: yeast
- assay: structural biology
- research focus: cell signaling & trafficking
- approach: experimental assay
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