Chains and heterogens:
PDB Chain Sequences:
>1xs6A (A:) mrlcdrdieawldegrlsinprppveringatvdvrlgnkfrtfrghtaafidlsgpkde vsaaldrvmsdeivldegeafylhpgelalavtlesvtlpadlvgwldgrsslarlglmv hvtahridpgwsgcivlafynsgklplalrpgmligalsfeplsgpavrpynrredakyr nqqgavasridkd
>1xs6B (B:) mrlcdrdieawldegrlsinprppveringatvdvrlgnkfrtfrghtaafidlsgpkde vsaaldrvmsdeivldegeafylhpgelalavtlesvtlpadlvgwldgrsslarlglmv hvtahridpgwsgcivlafynsgklplalrpgmligalsfeplsgpavrpynrredakyr nqqgavasridkd
>1xs6C (C:) mrlcdrdieawldegrlsinprppveringatvdvrlgnkfrtfrghtaafidlsgpkde vsaaldrvmsdeivldegeafylhpgelalavtlesvtlpadlvgwldgrsslarlglmv hvtahridpgwsgcivlafynsgklplalrpgmligalsfeplsgpavrpynrredakyr nqqgavasridkd
>1xs6D (D:) mrlcdrdieawldegrlsinprppveringatvdvrlgnkfrtfrghtaafidlsgpkde vsaaldrvmsdeivldegeafylhpgelalavtlesvtlpadlvgwldgrsslarlglmv hvtahridpgwsgcivlafynsgklplalrpgmligalsfeplsgpavrpynrredakyr nqqgavasridkd
>1xs6E (E:) mrlcdrdieawldegrlsinprppveringatvdvrlgnkfrtfrghtaafidlsgpkde vsaaldrvmsdeivldegeafylhpgelalavtlesvtlpadlvgwldgrsslarlglmv hvtahridpgwsgcivlafynsgklplalrpgmligalsfeplsgpavrpynrredakyr nqqgavasridkd
>1xs6F (F:) mrlcdrdieawldegrlsinprppveringatvdvrlgnkfrtfrghtaafidlsgpkde vsaaldrvmsdeivldegeafylhpgelalavtlesvtlpadlvgwldgrsslarlglmv hvtahridpgwsgcivlafynsgklplalrpgmligalsfeplsgpavrpynrredakyr nqqgavasridkd