Chains and heterogens:
PDB Chain Sequences:
>1tkpA (A:) mstqknaratagevegsdalrmdadraeqcvdalnadlanvyvlyhqlkkhhwnvegaef rdlhlflgeaaetaeevadelaervqalggvphaspetlqaeasvdvededvydirtsla ndmaiygdiieatrehtelaenlgdhatahmlreglieleddahhiehyleddtlvtqga le
>1tkpA (A:) stqknaratagevegsdalrmdadraeqcvdalnadlanvyvlyhqlkkhhwnvegaefr dlhlflgeaaetaeevadelaervqalggvphaspetlqaeasvdvededvydirtslan dmaiygdiieatrehtelaenlgdhatahmlreglieleddahhiehyleddtlvtqgal
>1tkpB (B:) mstqknaratagevegsdalrmdadraeqcvdalnadlanvyvlyhqlkkhhwnvegaef rdlhlflgeaaetaeevadelaervqalggvphaspetlqaeasvdvededvydirtsla ndmaiygdiieatrehtelaenlgdhatahmlreglieleddahhiehyleddtlvtqga le
>1tkpB (B:) aratagevegsdalrmdadraeqcvdalnadlanvyvlyhqlkkhhwnvegaefrdlhlf lgeaaetaeevadelaervqalggvphaspetlqaeasvdvededvydirtslandmaiy gdiieatrehtelaenlgdhatahmlreglieleddahhiehyleddtlvtqgal
>1tkpC (C:) mstqknaratagevegsdalrmdadraeqcvdalnadlanvyvlyhqlkkhhwnvegaef rdlhlflgeaaetaeevadelaervqalggvphaspetlqaeasvdvededvydirtsla ndmaiygdiieatrehtelaenlgdhatahmlreglieleddahhiehyleddtlvtqga le
>1tkpC (C:) aratagevegsdalrmdadraeqcvdalnadlanvyvlyhqlkkhhwnvegaefrdlhlf lgeaaetaeevadelaervqalggvphaspetlqaeasvdvededvydirtslandmaiy gdiieatrehtelaenlgdhatahmlreglieleddahhiehyleddtlvtqgal
>1tkpD (D:) mstqknaratagevegsdalrmdadraeqcvdalnadlanvyvlyhqlkkhhwnvegaef rdlhlflgeaaetaeevadelaervqalggvphaspetlqaeasvdvededvydirtsla ndmaiygdiieatrehtelaenlgdhatahmlreglieleddahhiehyleddtlvtqga le
>1tkpD (D:) aratagevegsdalrmdadraeqcvdalnadlanvyvlyhqlkkhhwnvegaefrdlhlf lgeaaetaeevadelaervqalggvphaspetlqaeasvdvededvydirtslandmaiy gdiieatrehtelaenlgdhatahmlreglieleddahhiehyleddtlvtqgal