>gnl|PDB|1A75.1 strand_id:A description:PARVALBUMIN AFAGILADADCAAAVKACEAADSFSYKAFFAKCGLSGKSADDIKKAFVFIDQDKSGFIEEDELKLFLQVFKAGARALTDAETKAFLKAGDSDGDGAIGVEEWVALVKA >gnl|PDB|1A75.2 strand_id:B description:PARVALBUMIN XAFAGILADADCAAAVKACEAADSFSYKAFFAKCGLSGKSADDIKKAFVFIDQDKSGFIEEDELKLFLQVFKAGARALTDAETKAFLKAGDSDGDGAIGVEEWVALVKA