>4XRC_1|Chains A, D[auth L]|H5.3 Fab light chain|Homo sapiens (9606) YELTQPPSVSVSPGQTVNITCSGDTLGDKYVCWYQQKPGQSPVLVIYQDTKRPSGIPERFSGSNSGDTATLTVSGTQAMDEADYYCQAWDSSSFVFGTGTKVTVLGQPKANPTVTLFPPSSEELQANKATLVCLISDFYPGAVTVAWKADGSPVKAGVETTKPSKQSNNKYAASSYLSLTPEQWKSHRSYSCQVTHEGSTVEKTVAPT >4XRC_2|Chains B, E[auth H]|H5.3 Fab heavy chain|Homo sapiens (9606) QVQLQESGPGLVKPSGTVSLTCAVSGGSISSSYWWSWVRQPPGKGLEWIGEIYHSGNTNYNPSLKSRVTISVDKSKNLFSLKLSSVTAADTAVYYCARVALFDILTGGWFDPWGQGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKRVELKTPT >4XRC_3|Chains C, F[auth D]|Hemagglutinin|Influenza A virus (11320) KPLILRDCSVAGWLLGNPMCDEFINVPEWSYIVEKANPVNDLCYPGDFNDYEELKHLLSRINHFEKIQIIPKSSWSSHEASLGVSSACPYQGKSSFFRNVVWLIKKNSAYPTIKRSYNNTNQEDLLVLWGIHHPNDAAEQTKLYQNPTTYISVGTSTLNQRLVPRIATRSKVNGLSSRMEFFWTILKPNDAINFESNGNFIAPEYAYKIVKK