Chains and heterogens:
PDB Chain Sequences:
>4kf2A (A:) tikempqpktfgelknlpllntdkpvqalmkiadelgeifkfeapgrvtrylssqrlike acdesrfdknlsqalkfvrdffgdglvtswtheknwkkahnillpsfsqqamkgyhammv diavqlvqkwerlnadehievpedmtrltldtiglcgfnyrfnsfyrdqphpfitsmvra ldeamnklqranpddpaydenkrqfqedikvmndlvdkiiadrkasgeqsddllthmlng kdpetgeplddeniryqiitfliaghettsgllsfalyflvknphvlqkaaeeaarvlvd pvpsykqvkqlkyvgmvlnealrlwptapafslyakedtvlggeyplekgdelmvlipql hrdktiwgddveefrperfenpsaipqhafkpfgngqracigqqfalheatlvlgmmlkh fdfedhtnyeldiketltlkpegfvvkakskkiplgg
>4kf2A (A:) kempqpktfgelknlpllntdkpvqalmkiadelgeifkfeapgrvtrylssqrlikeac desrfdknlsqalkfvrdffgdglvtswtheknwkkahnillpsfsqqamkgyhammvdi avqlvqkwerlnadehievpedmtrltldtiglcgfnyrfnsfyrdqphpfitsmvrald eamnklqraddpaydenkrqfqedikvmndlvdkiiadrkasqsddllthmlngkdpetg eplddeniryqiitfliaghettsgllsfalyflvknphvlqkaaeeaarvlvdpvpsyk qvkqlkyvgmvlnealrlwptapafslyakedtvlggeyplekgdelmvlipqlhrdkti wgddveefrperfenpsaipqhafkpfgngqracigqqfalheatlvlgmmlkhfdfedh tnyeldiketltlkpegfvvkakskkiplgg
>4kf2B (B:) tikempqpktfgelknlpllntdkpvqalmkiadelgeifkfeapgrvtrylssqrlike acdesrfdknlsqalkfvrdffgdglvtswtheknwkkahnillpsfsqqamkgyhammv diavqlvqkwerlnadehievpedmtrltldtiglcgfnyrfnsfyrdqphpfitsmvra ldeamnklqranpddpaydenkrqfqedikvmndlvdkiiadrkasgeqsddllthmlng kdpetgeplddeniryqiitfliaghettsgllsfalyflvknphvlqkaaeeaarvlvd pvpsykqvkqlkyvgmvlnealrlwptapafslyakedtvlggeyplekgdelmvlipql hrdktiwgddveefrperfenpsaipqhafkpfgngqracigqqfalheatlvlgmmlkh fdfedhtnyeldiketltlkpegfvvkakskkiplgg
>4kf2B (B:) kempqpktfgelknlpllntdkpvqalmkiadelgeifkfeapgrvtrylssqrlikeac desrfdknlsqalkfvrdffgdglvtswtheknwkkahnillpsfsqqamkgyhammvdi avqlvqkwerlnadehievpedmtrltldtiglcgfnyrfnsfyrdqphpfitsmvrald eamnklqrdpaydenkrqfqedikvmndlvdkiiadrkasqsddllthmlngkdpetgep lddeniryqiitfliaghettsgllsfalyflvknphvlqkaaeeaarvlvdpvpsykqv kqlkyvgmvlnealrlwptapafslyakedtvlggeyplekgdelmvlipqlhrdktiwg ddveefrperfenpsaipqhafkpfgngqracigqqfalheatlvlgmmlkhfdfedhtn yeldiketltlkpegfvvkakskkiplg