abstract:Env is a viral protein that serves to form the viral envelope. The expression of the env gene enables retroviruses to target and attach to specific cell types, and to infiltrate the target cell membrane.
Chui estimates that Spears has rotated through at least five phones in recent months: the BlackBerry 8700c, LG enV, Sidekick LX, BlackBerry 8310 and, most recently, the Samsung u740.