Closed for business: exit-channel coupling to active site conformation in bacterial RNA polymerase

Craig T. Martin & Karsten Theis, Nat Struct Mol Biol 21, 741–742, 2014. – 10.1038/nsmb.2883 PMID: 25192262

News & Views – Fluorescent probes at the exit channel and near the active site of RNA polymerase shed light on how transcriptional pausing is regulated.