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Cryo-EM structure of the Nsp1 C-terminal region-40S ribosomal subunit complex, with Nsp1 (red surface) and the surrounding protein uS3 (cyan sphere representation), uS5 (magenta) and rRNA h18 (green) highlighted. The inset shows zoomed-in view of Nsp1 in cartoon, with the surrounding 40S components in cartoon and surface to illustrate the mRNA entry channel.
