>8yk4_A|type: multi-domain chain
MGILPSPGMPALLSLVSLLSVLLMGCVAETGEIVLTQSPGTLSLSPGERATLSCRASQSVSSTFLAWYQQKPGQAPRLLIYGASYMATGIPDRFSGSGSGTDFTLTISRLEPEDFAVYYCQQYGSSLTFGGGTKLEIKGGGGSGGGGSGGGGSQVQLQQSGPGLVKPSQTLSLTCSISGDSVSSNSAAWNWIRQSPSRGLEWLGRTYYRSKWYNDYAGTVKSRIAINPDTSKNQFSLHLNSVTPEDTAVYFCARVISVAGYAFDIWGQGTMVTVSSHHHHHH
>8yk4_C|type: non-ab
PTESIVRFPNITNLCPFGEVFNATRFASVYAWNRKRISNCVADYSVLYNSASFSTFKCYGVSPTKLNDLCFTNVYADSFVIRGDEVRQIAPGQTGKIADYNYKLPDDFTGCVIAWNSNNLDSKVGGNYNYLYRLFRKSNLKPFERDISTEIYQAGSTPCNGVEGFNCYFPLQSYGFQPTNGVGYQPYRVVVLSFELLHAPATVCGPKKSTNLVKN
