>5NUI_1|Chains A, B|Protein Nef|Simian immunodeficiency virus (11723) GAMDDIDEEDDDLVGVSVRPKVPLRTMSYKLAIDMSHFIKEKGGLEGIYYSARRHRILDIYLEKEEGIIPDWQDYTSGPGIRYPKTFGWLWKLVPVNVSDEAQEDEEHYLMHPAQTSQWDDPWGEVLAWKFDPTLAYTYEAYVRYPEEFGS >5NUI_2|Chain C[auth M]|SER-GLN-ILE-LYS-ARG-LEU-LEU-SER|Homo sapiens (9606) XXXXXXXXXXXXXXXX