>1DAZ_1|Chains A[auth C], B[auth D]|HIV-1 PROTEASE (RETROPEPSIN)|Human immunodeficiency virus 1 (11676) PQITLWKRPLVTIKIGGQLKEALLDTGADDTVIEEMSLPGRWKPIMIGGIGGFIKVRQYDQIIIEIAGHKAIGTVLVGPTPVNIIGRNLLTQIGATLNF