Multiple choice

Which among the following accessory regulatory proteins of HIV is neccesary for the successful release of virions from infected cells?

  1. env

  2. pol

  3. gag

  4. vpu

  5. tev

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Vpu is specific to HIV-1. It is a class I oligomeric integral membrane phosphoprotein with numerous biological functions. Vpu is involved in CD4 degradation involving the ubiquitin proteasome pathway as well as in the successful release of virions from infected cells.