>7Y0O_1|Chain A|Spike protein S1|Severe acute respiratory syndrome coronavirus 2 (2697049) NLCPFGEVFNATRFASVYAWNRKRISNCVADYSVLYNSASFSTFKCYGVSPTKLNDLCFTNVYADSFVIRGDEVRQIAPGQTGKIADYNYKLPDDFTGCVIAWNSNNLDSKVGGNYNYLYRLFRKSNLKPFERDISTEIYQAGSTPCNGVEGFNCYFPLQSYGFQPTNGVGYQPYRVVVLSFELLHAPATVCGP >7Y0O_2|Chain B[auth H]|heavy chain of R15|Homo sapiens (9606) QMQLVQSGAEVKKPGASVKVSCKASGYTFTSYAISWVRQAPGQGLEWMGRIIPILGIANYAQKFQGRVTITADESTSTAYMELSSRSEDTAVYYCASGAFYYGSGSYPFDYWGQGT >7Y0O_3|Chain C[auth L]|light chain of R15|Homo sapiens (9606) GDIQLTQSPSSLSASVGDRVTITCRASQDISDYLNWYQQKPGKAPKLLIYAASSLQSGVPSRFSGSGSGTDFTLTISNLQPEDFATYYCQQSYSAPRTFGQGTKVEIK >7Y0O_4|Chain D[auth B]|P14 nanobody|Vicugna pacos (30538) EEQLVESGGGLVQPGGSLRLSCAASGFRFGSYYMSWVRQAPGKAPEWVSDINTRGETTRYSDSVKGRFTIARDNANNTVFLFMNRLKPEDTAVYYCAVAASGDTFEGRSDPDYWGQGTLVTVS