Chains and heterogens:
PDB Chain Sequences:
>6k9sA (A:) mtikempqpktfgelknlpllntdkpvqalmkiadelgeifkfeapgrvtrylssqrlik eacdesrfdknlsqalkfvrdfagdglftswtheknwkkahnillpsfsqqamkgyhamm vdiavqlvqkwerlnadehievpedmtrltldtiglcgfnyrfnsfyrdqphpfitsmvr aldeamnklqranpddpaydenkrqfqedikvmndlvdkiiadrkasgeqsddllthmln gkdpetgeplddeniryqiitfliaghettsgllsfalyflvknphvlqkaaeeaarvlv dpvpsykqvkqlkyvgmvlnealrlwptapafslyakedtvlggeyplekgdelmvlipq lhrdktiwgddveefrperfenpsaipqhafkpfgngqracigqqfalheatlvlgmmlk hfdfedhtnyeldiketltlkpegfvvkakskkipl
>6k9sA (A:) tikempqpktfgelknlpllntdkpvqalmkiadelgeifkfeapgrvtrylssqrlike acdesrfdknlsqalkfvrdfagdglftswtheknwkkahnillpsfsqqamkgyhammv diavqlvqkwerlnadehievpedmtrltldtiglcgfnyrfnsfyrdqphpfitsmvra ldeamnklqranpddpaydenkrqfqedikvmndlvdkiiadrkassddllthmlngkdp etgeplddeniryqiitfliaghettsgllsfalyflvknphvlqkaaeeaarvlvdpvp sykqvkqlkyvgmvlnealrlwptapafslyakedtvlggeyplekgdelmvlipqlhrd ktiwgddveefrperfenpsaipqhafkpfgngqracigqqfalheatlvlgmmlkhfdf edhtnyeldiketltlkpegfvvkakskkipl
>6k9sB (B:) mtikempqpktfgelknlpllntdkpvqalmkiadelgeifkfeapgrvtrylssqrlik eacdesrfdknlsqalkfvrdfagdglftswtheknwkkahnillpsfsqqamkgyhamm vdiavqlvqkwerlnadehievpedmtrltldtiglcgfnyrfnsfyrdqphpfitsmvr aldeamnklqranpddpaydenkrqfqedikvmndlvdkiiadrkasgeqsddllthmln gkdpetgeplddeniryqiitfliaghettsgllsfalyflvknphvlqkaaeeaarvlv dpvpsykqvkqlkyvgmvlnealrlwptapafslyakedtvlggeyplekgdelmvlipq lhrdktiwgddveefrperfenpsaipqhafkpfgngqracigqqfalheatlvlgmmlk hfdfedhtnyeldiketltlkpegfvvkakskkipl
>6k9sB (B:) tikempqpktfgelknlpllntdkpvqalmkiadelgeifkfeapgrvtrylssqrlike acdesrfdknlsqalkfvrdfagdglftswtheknwkkahnillpsfsqqamkgyhammv diavqlvqkwerlnadehievpedmtrltldtiglcgfnyrfnsfyrdqphpfitsmvra ldeamnklqranpddpaydenkrqfqedikvmndlvdkiiadrsddllthmlngkdpetg eplddeniryqiitfliaghettsgllsfalyflvknphvlqkaaeeaarvlvdpvpsyk qvkqlkyvgmvlnealrlwptapafslyakedtvlggeyplekgdelmvlipqlhrdkti wgddveefrperfenpsaipqhafkpfgngqracigqqfalheatlvlgmmlkhfdfedh tnyeldiketltlkpegfvvkakskkipl