>3fsm_A mol:protein length:203 COVALENT DIMER [L-Ala51, D-Ala51'] HIV-1 PROTEASEPQITLWKRPLVTIRIGGQLKEALLDTGADDTVIEELNLPGCWKPKLIGGIAGFIKVRQYDQIPVEIAGHKAIGTVLVGPTPVNIIGRNLLTQIGATLNFCGGGGPQITLWKRPLVTIRIGGQLKEALLDTGADDTVIEELNLPGCWKPKLIGGIAGFIKVRQYDQIPVEIAGHKAIGTVLVGPTPVNIIGRNLLTQIGATLNF