>d1b6oa_ b.50.1.1 (A:) Human immunodeficiency virus type 1 protease {Human immunodeficiency virus type 1 (arv2/sf2 isolate)} pqitlwkrplvtiriggqlkealldtgaddtvieemnlpgkwkpkmiggiggfikvrqyd qipveiaghkaigtvlvgptpvniigrnlltqigatlnf