>4F73_1|Chains A, B|Protease|HIV-1 M:B_ARV2/SF2 (11685) PQITLWKRPLVTIRIGGQLKEALLDTGADDTVLEEMNLPGKWKPKMIGGIGGFIKVRQYDQIPVEICGHKAIGTVLVGPTPVNIIGRNLLTQIGCTLNF >4F73_2|Chains C, D|N terminal product of substrate CA-p2|Human immunodeficiency virus 1 (11676) KARVL