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. AU - Zhang, Y. PY - 2021 DO - 10.1073/pnas.1920747117 UR - https://www.osti.gov/biblio/1690040 ID - 1690040 ER -