>3MXE_1|Chains A, B|HIV-1 protease|HIV-1 M:B_ARV2/SF2 (11685) PQITLWKRPLVTIRIGGQLKEALLDTGADDTVLEEMNLPGKWKPKMIGGIGGFIKVRQYDQIPIEICGHKAIGTVLVGPTPVNIIGRNLLTQIGCTLNF