Chains and heterogens:
PDB Chain Sequences:
>1su1A (A:) mhhhhhhssgvdlgtenlyfqsnammklmfasdihgslpatervlelfaqsgaqwlvilg dvlnhgprnalpegyapakvverlnevahkviavrgncdsevdqmllhfpitapwqqvll ekqrlflthghlfgpenlpalnqndvlvyghthlpvaeqrgeifhfnpgsvsipkggnpa sygmldndvlsvialndqsiiaqvainp
>1su1A (A:) mmklmfasdihgslpatervlelfaqsgaqwlvilgdvlnhgprnalpegyapakvverl nevahkviavrgncdsevdqmllhfpitapwqqvllekqrlflthghlfgpenlpalnqn dvlvyghthlpvaeqrgeifhfnpgsvsipkggnpasygmldndvlsvialndqsiiaqv ainp
>1su1B (B:) mhhhhhhssgvdlgtenlyfqsnammklmfasdihgslpatervlelfaqsgaqwlvilg dvlnhgprnalpegyapakvverlnevahkviavrgncdsevdqmllhfpitapwqqvll ekqrlflthghlfgpenlpalnqndvlvyghthlpvaeqrgeifhfnpgsvsipkggnpa sygmldndvlsvialndqsiiaqvainp
>1su1B (B:) mmklmfasdihgslpatervlelfaqsgaqwlvilgdvlnhgprnalpegyapakvverl nevahkviavrgncdsevdqmllhfpitapwqqvllekqrlflthghlfgpenlpalnqn dvlvyghthlpvaeqrgeifhfnpgsvsipkggnpasygmldndvlsvialndqsiiaqv ainp
>1su1C (C:) mhhhhhhssgvdlgtenlyfqsnammklmfasdihgslpatervlelfaqsgaqwlvilg dvlnhgprnalpegyapakvverlnevahkviavrgncdsevdqmllhfpitapwqqvll ekqrlflthghlfgpenlpalnqndvlvyghthlpvaeqrgeifhfnpgsvsipkggnpa sygmldndvlsvialndqsiiaqvainp
>1su1C (C:) mklmfasdihgslpatervlelfaqsgaqwlvilgdvlnhgprnalpegyapakvverln evahkviavrgncdsevdqmllhfpitapwqqvllekqrlflthghlfgpenlpalnqnd vlvyghthlpvaeqrgeifhfnpgsvsipkggnpasygmldndvlsvialndqsiiaqva in
>1su1D (D:) mhhhhhhssgvdlgtenlyfqsnammklmfasdihgslpatervlelfaqsgaqwlvilg dvlnhgprnalpegyapakvverlnevahkviavrgncdsevdqmllhfpitapwqqvll ekqrlflthghlfgpenlpalnqndvlvyghthlpvaeqrgeifhfnpgsvsipkggnpa sygmldndvlsvialndqsiiaqvainp
>1su1D (D:) mklmfasdihgslpatervlelfaqsgaqwlvilgdvlnhgprnalpegyapakvverln evahkviavrgncdsevdqmllhfpitapwqqvllekqrlflthghlfgpenlpalnqnd vlvyghthlpvaeqrgeifhfnpgsvsipkggnpasygmldndvlsvialndqsiiaqva in