>3FSM_1|Chain A|COVALENT DIMER [L-Ala51, D-Ala51'] HIV-1 PROTEASE|null PQITLWKRPLVTIRIGGQLKEALLDTGADDTVIEELNLPGCWKPKLIGGIAGFIKVRQYDQIPVEIAGHKAIGTVLVGPTPVNIIGRNLLTQIGATLNFCGGGGPQITLWKRPLVTIRIGGQLKEALLDTGADDTVIEELNLPGCWKPKLIGGIAGFIKVRQYDQIPVEIAGHKAIGTVLVGPTPVNIIGRNLLTQIGATLNF