>3UYX_1|Chains A, B|Hemagglutinin|Influenza A virus (641501) APLHLGKCNIAGWILGNPECESLSTASSWSYIVETPSSDNGTCYPGDFIDYEELREQLSSVSSFERFEIFPKTSSWPNHDSNKGVTAACPHAGAKSFYKNLIWLVKKGNSYPKLSKSYINDKGKEVLVLWGIHHPSTSADQQSLYQNADTYVFVGSSRYSKKFKPEIAIRPKVRGQEGRMNYYWTLVEPGDKITFEATGNLVVPRYAFAMERNA