Chains and heterogens:
PDB Chain Sequences:
>4kf0A (A:) tikempqpktfgelknlpllntdkpvqalmkiadelgeifkfeapgrvtrylssqrlike acdesrfdknlsqalkfvrdffgdglftswtheknwkkahnillpsfsqqamkgyhammv diavqlvqkwerlnadehievpedmtrltldtiglcgfnyrfnsfyrdqphpfitsmvra ldeamnklqranpddpaydenkrqfqedikvmndlvdkiiadrkasgeqsddllthmlng kdpetgeplddeniryqiitfliaghettsgllsfalyflvknphvlqkaaeeaarvlvd pvpsykqvkqlkyvgmvlnealrlwptapafslyakedtvlggeyplekgdelmvlipql hrdktiwgddveefrperfenpsaipqhafkpfgngqracigqqfalheatlvlgmmlkh fdfedhtnyeldiketltlkpegfvvkakskkiplgg
>4kf0A (A:) kempqpktfgelknlpllntdkpvqalmkiadelgeifkfeapgrvtrylssqrlikeac desrfdknlsqalkfvrdffgdglftswtheknwkkahnillpsfsqqamkgyhammvdi avqlvqkwerlnadehievpedmtrltldtiglcgfnyrfnsfyrdqphpfitsmvrald eamnklqrpddpaydenkrqfqedikvmndlvdkiiadrkasqsddllthmlngkdpetg eplddeniryqiitfliaghettsgllsfalyflvknphvlqkaaeeaarvlvdpvpsyk qvkqlkyvgmvlnealrlwptapafslyakedtvlggeyplekgdelmvlipqlhrdkti wgddveefrperfenpsaipqhafkpfgngqracigqqfalheatlvlgmmlkhfdfedh tnyeldiketltlkpegfvvkakskkiplgg
>4kf0B (B:) tikempqpktfgelknlpllntdkpvqalmkiadelgeifkfeapgrvtrylssqrlike acdesrfdknlsqalkfvrdffgdglftswtheknwkkahnillpsfsqqamkgyhammv diavqlvqkwerlnadehievpedmtrltldtiglcgfnyrfnsfyrdqphpfitsmvra ldeamnklqranpddpaydenkrqfqedikvmndlvdkiiadrkasgeqsddllthmlng kdpetgeplddeniryqiitfliaghettsgllsfalyflvknphvlqkaaeeaarvlvd pvpsykqvkqlkyvgmvlnealrlwptapafslyakedtvlggeyplekgdelmvlipql hrdktiwgddveefrperfenpsaipqhafkpfgngqracigqqfalheatlvlgmmlkh fdfedhtnyeldiketltlkpegfvvkakskkiplgg
>4kf0B (B:) kempqpktfgelknlpllntdkpvqalmkiadelgeifkfeapgrvtrylssqrlikeac desrfdknlsqalkfvrdffgdglftswtheknwkkahnillpsfsqqamkgyhammvdi avqlvqkwerlnadehievpedmtrltldtiglcgfnyrfnsfyrdqphpfitsmvrald eamnkdenkrqfqedikvmdlvdkiiadrkasqsddllthmlngkdpetgeplddeniry qiitfliaghettsgllsfalyflvknphvlqkaaeeaarvlvdpvpsykqvkqlkyvgm vlnealrlwptapafslyakedtvlggeyplekgdelmvlipqlhrdktiwgddveefrp erfenpsaipqhafkpfgngqracigqqfalheatlvlgmmlkhfdfedhtnyeldiket ltlkpegfvvkakskkiplgg