Chains and heterogens:
PDB Chain Sequences:
>7cknA (A:) mtikempqpktfgelknlpllntdkpvqalmkiadelgeifkfeapgrvtrylssqrlik eacdesrfdknlsqalkfvrdfagdglftswtheknwkkahnillpsfsqqamkgyhamm vdiavqlvqkwerlnadehievpedmtrltldtiglcgfnyrfnsfyrdqphpfitsmvr aldeamnklqranpddpaydenkrqfqedikvmndlvdkiiadrkasgeqsddllthmln gkdpetgeplddeniryqiitfliaghettsgllsfalyflvknphvlqkaaeeaarvlv dpvpsykqvkqlkyvgmvlnealrlwptapafslyakedtvlggeyplekgdelmvlipq lhrdktiwgddveefrperfenpsaipqhafkpfgngqracigqqfalheatlvlgmmlk hfdfedhtnyeldiketltlkpegfvvkakskkipl
>7cknA (A:) ikempqpktfgelknlpllntdkpvqalmkiadelgeifkfeapgrvtrylssqrlikea cdesrfdknlsqalkfvrdfagdglftswtheknwkkahnillpsfsqqamkgyhammvd iavqlvqkwerlnadehievpedmtrltldtiglcgfnyrfnsfyrdqphpfitsmvral deamnklqranpddpaydenkrqfqedikvmndlvdkiiadrkasgeqsddllthmlngk dpetgeplddeniryqiitfliaghettsgllsfalyflvknphvlqkaaeeaarvlvdp vpsykqvkqlkyvgmvlnealrlwptapafslyakedtvlggeyplekgdelmvlipqlh rdktiwgddveefrperfenpsaipqhafkpfgngqracigqqfalheatlvlgmmlkhf dfedhtnyeldiketltlkpegfvvkakskkipl
>7cknB (B:) mtikempqpktfgelknlpllntdkpvqalmkiadelgeifkfeapgrvtrylssqrlik eacdesrfdknlsqalkfvrdfagdglftswtheknwkkahnillpsfsqqamkgyhamm vdiavqlvqkwerlnadehievpedmtrltldtiglcgfnyrfnsfyrdqphpfitsmvr aldeamnklqranpddpaydenkrqfqedikvmndlvdkiiadrkasgeqsddllthmln gkdpetgeplddeniryqiitfliaghettsgllsfalyflvknphvlqkaaeeaarvlv dpvpsykqvkqlkyvgmvlnealrlwptapafslyakedtvlggeyplekgdelmvlipq lhrdktiwgddveefrperfenpsaipqhafkpfgngqracigqqfalheatlvlgmmlk hfdfedhtnyeldiketltlkpegfvvkakskkipl
>7cknB (B:) ikempqpktfgelknlpllntdkpvqalmkiadelgeifkfeapgrvtrylssqrlikea cdesrfdknlsqalkfvrdfagdglftswtheknwkkahnillpsfsqqamkgyhammvd iavqlvqkwerlnadehievpedmtrltldtiglcgfnyrfnsfyrdqphpfitsmvral deamnklqranpddpaydenkrqfqedikvmndlvdkiiadrkasgeqsddllthmlngk dpetgeplddeniryqiitfliaghettsgllsfalyflvknphvlqkaaeeaarvlvdp vpsykqvkqlkyvgmvlnealrlwptapafslyakedtvlggeyplekgdelmvlipqlh rdktiwgddveefrperfenpsaipqhafkpfgngqracigqqfalheatlvlgmmlkhf dfedhtnyeldiketltlkpegfvvkakskkipl