>5NUH_2|Chains C, D|Tyrosine-protein kinase HCK,Tyrosine-protein kinase HCK|Homo sapiens (9606) MEDIIVVALYDYEGWWGDLSFQKGDQMVVLEESGEWWKARSLATRKEGYIPSNYVARVDS >5NUH_1|Chains A, B|Protein Nef|Simian immunodeficiency virus (11723) GAMATPWRNPAEEREKLAYRKQNMDDIDEEDDDLVGVSVRPKVPLRTMSYKLAIDMSHFIKEKGGLEGIYYSARRHRILDIYLEKEEGIIPDWQDYTSGPGIRYPKTFGWLWKLVPVNVSDEAQEDEEHYLMHPAQTSQWDDPWGEVLAWKFDPTLAYTYEAYVRYPEEFGS