>2FNS_1|Chains A, B|Protease|Human immunodeficiency virus 1 (11676) PQITLWKRPLVTIRIGGQLKEALLNTGADDTVLEEMNLPGKWKPKMIGGIGGFIKVRQYDQIPVEICGHKAIGTVLVGPTPVNIIGRNLLTQIGCTLNF >2FNS_2|Chain C[auth P]|NC-P1 SUBSTRATE PEPTIDE|null RQANFLGKIN