Fig. 3.
Identification of the location of functional regions in SARS-CoV S protein mediating COX-2 expression. COS-7 cells were transfected with pCMV-S (A), pCMC-S1–255 (B), pCMV-S1–422 (C) and pCMV-S255–1255 (D), respectively. 24 h after transfection, localizations were detected by anti-flag antibody