Chains and heterogens:
PDB Chain Sequences:
>1qfyA (A:) qvtteapakvvkhskkqdenivvnkfkpkepyvgrcllntkitgddapgetwhmvfsteg evpyregqsigivpdgidkngkphklrlysiassaigdfgdsktvslcvkrlvytndage vvkgvcsnflcdlkpgsevkitgpvgkemlmpkdpnatvimlgtgtgiapfrsflwkmff ekhedyqfnglawlflgvptsssllykeefekmkekapenfrldfavsreqvndkgekmy iqtrmaqyaeelwellkkdntfvymcglkgmekgiddimvslaakdgidwieykrtlkka eqwnvevs
>1qfyB (B:) skkqdenivvnkfkpkepyvgrcllntkitgddapgetwhmvfstegevpyregqsigiv pdgidkngkphklrlysiassaigdfgdsktvslcvkrlvytndagevvkgvcsnflcdl kpgsevkitgpvgkemlmpkdpnatvimlgtgtgiapfrsflwkmffekhedyqfnglaw lflgvptsssllykeefekmkekapenfrldfavsreqvndkgekmyiqtrmaqyaeelw ellkkdntfvymcglkgmekgiddimvslaakdgidwieykrtlkkaeqwnvevs