>gnl|PDB|1DN2.1 strand_id:A,B description:IMMUNOGLOBULIN LAMBDA HEAVY CHAIN
GPSVFLFPPKPKDTLMISRTPEVTCVVVDVSHENPEVKFNWYVDGVEVHNAKTKPREEQYNSTYRVVSVLTVLHQDWLNGKEYKCKVSNKALPAPIEKTISKAKGQPREPQVYTLPPSREEMTKNQVSLTCLVKGFYPSDIAVEWESNGQPENNYKTTPPVLDSDGSFFLYSKLTVDKSRWQQGNVFSCSVMHEALHNHYTQKSLSL
>gnl|PDB|1DN2.2 strand_id:E,F description:ENGINEERED PEPTIDE
DCAWHLGELVWCTX