Na celičnih kulturah atazanavir deluje proti izolatom virusa HIV- 1 iz skupine M, in sicer proti podtipom A, B, C, D, AE, AG, F, G in J.
Atazanavir has activity against HIV-1 Group M subtype viruses A, B, C, D, AE, AG, F, G, and J isolates in cell culture.