The Rat1 RNase helps terminate eukaryotic mRNA transcription. Here, the authors report the cryo-EM structures of the Rat1-Rai1-Rtt103 and the Rat1-Rai1-RNAPII complexes, illustrating the mechanism of mRNA transcription termination.
- Tatsuo Yanagisawa
- Yuko Murayama
- Shun-ichi Sekine