>7YCN_1|Chains A, D[auth B], G, J|Spike protein S1|Severe acute respiratory syndrome coronavirus 2 (2697049) TNLCPFGEVFNATRFASVYAWNRKRISNCVADYSVLYNSASFSTFKCYGVSPTKLNDLCFTNVYADSFVIRGDEVRQIAPGQTGKIADYNYKLPDDFTGCVIAWNSNNLDSKVGGNYNYLYRLFRKSNLKPFERDISTEIYQAGSTPCNGVEGFNCYFPLQSYGFQPTNGVGYQPYRVVVLSFELLHAPATVCGP >7YCN_2|Chains B[auth C], E, H, K|IY-2A Fab heavy chain|Homo sapiens (9606) QVQLVEWGAGLLKPSETLSLTCAVYGGSFSGYYWSWIRQPPGKGLEWIGLINHSGSTNYNPSLKSRVTISLDTSKNQFSLKLTSVTAADTAVYYCARGLGIFGVVTLSDVWGQGTTVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCDKTH >7YCN_3|Chains C[auth D], F, I, L|IY-2A Fab light chain|Homo sapiens (9606) ANFMLTQPHSVSESPGKTVTISCTGSSGSIASNYVQWYQQRPGSAPTTVIYEDNQRPSGVPDRFSGSIDSSSNSASLTISGLRTEDEADYYCQSYDSGIWVFGGGTKLTVLGQPKAAPSVTLFPPSSEELQANKATLVCLISDFYPGAVTVAWKADSSPVKAGVETTTPSKQSNNKYAASSYLSLTPEQWKSHRSYSCQVTHEGSTVEKTVAPTEC