NatureStructural basis of RNA-guided transcription by a dCas12f–σE–RNAP complexRenjian XiaoFlorian T. HoffmannDan XieTanner WiegandAdriana I. PalmieriSamuel H. SternbergLeifu Chang2026-03-04Full textDOI https://doi.org/10.1038/s41586-026-10178-3