>7XSA_1|Chains A[auth B], D[auth H]|P2S-2E9 Heavy chain|Homo sapiens (9606) QITLKESGPTLVKPTQTLTLTCTFSGFSLSTSGVGVGWIRQPPGKALEWLALIYWDDDKRYSPSLKSRLTITKDTSKNQVVLTMTNMDPVDTATYYCARHRIGYIFDYWGQGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVE >7XSA_2|Chains B[auth C], E[auth I]|P2S-2E9 Light chain|Homo sapiens (9606) QSALTQPASVSGSPGQSITISCTGTSSDVGDFNYVSWYQQHPGKAPKLMIYDVTKRPSGVSNRFSGSKSGNTASLTISGLQAEDEADYCCSSYTTSSISFGGGTKLTVLGQPKAAPSVTLFPPSSEELQANKATLVCLISDFYPGAVTVAWKADSSPVKAGVETTTPSKQSNNKYAASSYLSLTPEQWKSHRSYSCQVTHEGSTVEKTVAPTECS >7XSA_3|Chains C[auth E], F[auth J]|Spike protein S1|Severe acute respiratory syndrome coronavirus 2 (2697049) MLLVNQSHQGFNKEHTSKMVSAIVLYVLLAAAAHSAFAADPTNLCPFGEVFNATRFASVYAWNRKRISNCVADYSVLYNSASFSTFKCYGVSPTKLNDLCFTNVYADSFVIRGDEVRQIAPGQTGNIADYNYKLPDDFTGCVIAWNSNNLDSKVGGNYNYLYRLFRKSNLKPFERDISTEIYQAGSTPCNGVKGFNCYFPLQSYGFQPTYGVGYQPYRVVVLSFELLHAPATVCGPHHHHHH