7ed5 J 24 2.98 URS00023358E0_32630 35110538 32630 ccccauaacuuaaucucacauagc ........................ ........................ A dual mechanism of action of AT-527 against SARS-CoV-2 polymerase; RNA (5'-R(P*CP*CP*CP*CP*AP*UP*AP*AP*CP*UP*UP*AP*AP*UP*CP*UP*CP*AP*CP*AP*UP*AP*GP*C)-3')