>1HXB_1|Chains A, B|HIV-1 PROTEASE|Human immunodeficiency virus type 1 (CLONE 12) (11679) PQVTLWQRPLVTIKIGGQLKEALLDTGADDTVLEEMSLPGRWKPKMIGGIGGFIKVRQYDQILIEICGHKAIGTVLVGPTPVNIIGRNLLTQIGCTLNF