eLife assessment
This valuable paper uses the ChEC-seq2 technique to investigate RNA polymerase II (RNAPII) binding patterns in yeast and demonstrates that this technique is a complementary method for investigating transcription mechanisms, especially slow steps at the initiation and termination regions. The authors use ChEC-seq2 data to investigate RNAPII kinetics and obtain solid data providing new insights into transcription regulation. This study highlights the importance of careful methodological comparisons in understanding RNAPII dynamics.