Fig. 3.

Intracellular distribution of ectopically expressed nsp15 of SARS-CoV and TGEV as EGFP fusion proteins. 17CL-1 or DBT cells were transfected with plasmids expressing EGFP alone, MHV EGFP-nsp15, SARS-CoV EGFP-nsp15, and TGEV EGFP-nsp15. Fluorescence images were captured at 24 h post transfection.