>6BRA_2|Chain C[auth S]|Phage display-optimized HIV-1 protease substrate|Enterobacteria phage fd (10864)
SGIFLETS
>6BRA_1|Chains A, B|Protease|Human immunodeficiency virus 1 (11676)
PQITLWKRPLVTIKIGGQLKEALLNTGADDTVIEEMSLPGRWKPKMIGGIGGFIKVRQYDQIIIEIAGHKAIGTVLVGPTPVNIIGRNLLTQIGATLNF