>7C8V_1|Chain A|Synthetic nanobody SR4|synthetic construct (32630) GSSSQVQLVESGGGLVQAGGSLRLSCAASGFPVYSWNMWWYRQAPGKEREWVAAIESHGDSTRYADSVKGRFTISRDNAKNTVYLQMNSLKPEDTAVYYCYVWVGHTYYGQGTQVTVSAGRAGEQKLISEEDLNSAVDHHHHHH >7C8V_2|Chain B|Spike protein S1|Severe acute respiratory syndrome coronavirus 2 (2697049) AGSPNITNLCPFGEVFNATRFASVYAWNRKRISNCVADYSVLYNSASFSTFKCYGVSPTKLNDLCFTNVYADSFVIRGDEVRQIAPGQTGKIADYNYKLPDDFTGCVIAWNSNNLDSKVGGNYNYLYRLFRKSNLKPFERDISTEIYQAGSTPCNGVEGFNCYFPLQSYGFQPTNGVGYQPYRVVVLSFELLHAPATVCGPKKSTGTLEVLFQ