TY - RPRT TI - RNA extension drives a stepwise displacement of an initiation-factor structural module in initial transcription AU - Li, L. AU - Molodtsov, V. AU - Lin, W. AU - Ebright, R. H. AU - Zhang, Y. PY - 2019 DO - 10.1101/855544 UR - https://www.biorxiv.org/content/10.1101/855544v1 ID - 10.1101/855544 ER -