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