Ensemble cryo-electron microscopy reveals conformational states of the nsp13 helicase in the SARS-CoV-2 helicase replication-transcription complex
J. Chen, Q. Wang, B. Malone, E. Llewellyn, Y. Pechersky, K. Maruthi, E. T. Eng, J. K. Perry, E. A. Campbell, D. E. Shaw, S. A. Darst
This study uses cryo-EM and simulations to identify four conformational states of the nsp13 helicase in the SARS-CoV-2 RTC, revealing an allosteric mechanism for switching between RNA synthesis and backtracking.
bioRxiv · Nov 10, 2021 · PreprintBiophysics