>3ZSR_1|Chains A, B|INTEGRASE|HUMAN IMMUNODEFICIENCY VIRUS (12721) MGSSHHHHHHSSPGIWQLDCTHLEGKVILVAVHVASGYIEAEVIPAETGQETAYFLLKLAGRWPVKTVHTDNGSNFTSTTVKAACWWAGIKQEDGIPYNPQSQGVIESMNKELKKIIGQVRDQAEHLKTAVQMAVFIHNHKRKGGIGGYSAGERIVDIIATDIQTKE