>1CPI_1|Chains A, B|HIV-1 PROTEASE|null PQITLWQRPLVTIRIGGQLKEALLDTGADDTVLEEMNLPGKWKPKMIGGIGGFIKVRQYDQIPVEIAGHKAIGTVLVGPTPVNIIGRNLLTQIGATLNF >1CPI_2|Chain C|CYCLIC PEPTIDE INHIBITOR| NXPIVX