>9Y9K_2|Chain B|Tyrosine-protein kinase HCK|Homo sapiens (9606) MGSEDIIVVALYDYEAIHHEDLSFQKGDQMVVLEESGEWWKARSLATRKEGYIPSNYVARVDSLELEHHHHHH >9Y9K_1|Chain A|Protein Nef|HIV-1 M:B_ARV2/SF2 (11685) MLEAQEEEEVGFPVRPQVPLRPMTYKAALDISHFLKEKGGLEGLIWSQRRQEILDLWIYHTQGYFPDWQNYTPGPGIRYPLTFGWCFKLVPVEPEKVEEANEGENNSLLHPMSLHGMEDAEKEVLVWRFDSKLAFHHMARELHPEYYKD