A. Overall architecture of the consensus nsp132-RTC. Shown is the transparent cryo-EM density (map3, local-resolution filtered) with the nsp132-RTC model superimposed.
B. The consensus nsp132-RTC structure is shown; RNA is shown as atomic spheres, proteins are shown as transparent molecular surfaces. A low-pass filtered (6 Å) cryo-EM difference density reveals the path of the downstream t-RNA 5’-segment through the RNA binding groove of nsp13T (cyan surface).