>7KM5_1|Chains A, B|Spike protein S1|Severe acute respiratory syndrome coronavirus 2 (2697049) RVQPTESIVRFPNITNLCPFGEVFNATRFASVYAWNRKRISNCVADYSVLYNSASFSTFKCYGVSPTKLNDLCFTNVYADSFVIRGDEVRQIAPGQTGKIADYNYKLPDDFTGCVIAWNSNNLDSKVGGNYNYLYRLFRKSNLKPFERDISTEIYQAGSTPCNGVEGFNCYFPLQSYGFQPTNGVGYQPYRVVVLSFELLHAPATVCGPKKSTNLVKHHHHHHHH >7KM5_2|Chains C, D|nanobody|Lama glama (9844) QVQLVESGGGLVQPGGSLRLSCAASGFTFKNADMNWYRQVPGQGLEWVTSIYSDGRTVYADSVKGRFTVSRDNPKSTVSLQMNSLKPEDTGVYYCMAGSKSGHELDHWGQGTQVTVSSHHHHHH