>6V4N_1|Chains A[auth I], B[auth M], C[auth N], D[auth W]|Neuraminidase|Influenza B virus (11520) ADPHHHHHHSSSDYSDLQRVKQELLEEVKKELQKVKEEIIEAFVQELRKRGSLVPRGSPSRWTYPRLSCPGSTFQKALLISPHRFGETKGNSAPLIIREPFIACGPKECKHFALTHYAAQPGGYYNGTREDRNKLRHLISVKLGKIPTVENSIFHMAAWSGSACHDGREWTYIGVDGPDSNALLKIKYGEAYTDTYHSYAKNILRTQESACNCIGGDCYLMITDGPASGISECRFLKIREGRIIKEIFPTGRVKHTEECTCGFASNKTIECACRDNSYTAKRPFVKLNVETDTAEIRLMCTKTYLDTPRPNDGSITGPCESDGDEGSGGIKGGFVHQRMASKIGRWYSRTMSKTKRMGMGLYVKYDGDPWTDSEALALSGVMVSMEEPGWYSFGFEIKDKKCDVPCIGIEMVHDGGKTTWHSAATAIYCLMGSGQLLWDTVTGVNMTL >6V4N_2|Chains E[auth A], F[auth C], G[auth D], H|Antibody Fab heavy chain|Homo sapiens (9606) QVQLQESGPGLVRPSETLSLTCTVSGDSIGGSYWNWIRQPPGKGLQWIGYIYYTGITNYNPSLKSRVTMSLDTSKNQISLKMDSVTAADTALYFCARGDYSGYDRDVQVELMDVWGKGTTVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCRSLVPRGSSGHHHHHH >6V4N_3|Chains I[auth B], J[auth E], K[auth G], L|Antibody Fab light chain|Homo sapiens (9606) DIQMTQSPSSLSASVRDKVTFVCRASQTISIFLNWYQHKPGEAPKLLIYAASRLQSGVPSRFSGSGSGTDFTLTISGLQPEDFATYYCQQSYSAPWTFGQGTKVEIKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC