>43DZ_3|Chain C|The light chain of KXD-I42 fab|Homo sapiens (9606) QAVVTQPPSASGTPGQRVSISCSGSSSNIGTYPVSWYQQLPGTAPKLLIYSNNQRPSGVPDRFSGSKSGTSASLAITGLQSEDETDCYCAVWDDRVNGLVFGGGTELTV >43DZ_2|Chain B|The heavy chain of KXD-I42 fab|Homo sapiens (9606) EVQLQESGGGLVQPGRSLRLSCAASGFTFDDYAMYWIRQAPGRGLEWVSGISWNSGNIEYADSVKGRFTISRDNAKNSLYLQMNRLRPEDTAFYYCAKGQLGEFPFPVDFWGQGTTVTVSS >43DZ_1|Chain A|Spike protein S1|Severe acute respiratory syndrome coronavirus 2 (2697049) NLCPFGEVFNATRFASVYAWNRKRISNCVADYSVLYNSASFSTFKCYGVSPTKLNDLCFTNVYADSFVIRGDEVRQIAPGQTGKIADYNYKLPDDFTGCVIAWNSNNLDSKVGGNYNYLYRLFRKSNLKPFERDISTEIYQAGSTPCNGVEGFNCYFPLQSYGFQPTNGVGYQPYRVVVLSFELLHAPATVCGPKK