>gnl|PDB|1A6U.1 strand_id:L description:B1-8 FV (LIGHT CHAIN)
AVVTQESALTTSPGETVTLTCRSSTGAVTTSNYANWVQEKPDHLFTGLIGGTNNRAPGVPARFSGSLIGNKAALTITGAQTEDEAIYFCALWYSNHWVFGGGTKLTVL
>gnl|PDB|1A6U.2 strand_id:H description:B1-8 FV (HEAVY CHAIN)
QVQLQQPGAELVKPGASVKLSCKASGYTFTSYWMHWVKQRPGRGLEWIGRIDPNSGGTKYNEKFKSKATLTVDKPSSTAYMQLSSLTSEDSAVYYCARYDYYGSSYFDYWGQGTTVTVSS