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Remdesivir is a delayed translocation inhibitor of SARS-CoV-2 replication #MMPMID33631104
Bravo JPK; Dangerfield TL; Taylor DW; Johnson KA
Mol Cell 2021[Apr]; 81 (7): 1548-1552.e4 PMID33631104show ga
Remdesivir is a nucleoside analog approved by the US FDA for treatment of COVID-19. Here, we present a 3.9-A-resolution cryo-EM reconstruction of a remdesivir-stalled RNA-dependent RNA polymerase complex, revealing full incorporation of 3 copies of remdesivir monophosphate (RMP) and a partially incorporated fourth RMP in the active site. The structure reveals that RMP blocks RNA translocation after incorporation of 3 bases following RMP, resulting in delayed chain termination, which can guide the rational design of improved antiviral drugs.