Chains and heterogens:
PDB Chain Sequences:
>1tk3A (A:) srktytltdylkntyrlklyslrwisdheylykqennilvfnaeygnssvflenstfdef ghsindysispdgqfilleynyvkqwrhsytasydiydlnkrqliteeripnntqwvtws pvghklayvwnndiyvkiepnlpsyritwtgkediiyngitdwvyeeevfsaysalwwsp ngtflayaqfndtevplieysfysdeslqypktvrvpypkagavnptvkffvvntdslss vtnatsiqitapasmligdhylcdvtwatqerislqwlrriqnysvmdicdydessgrwn clvarqhiemsttgwvgrfrpsephftldgnsfykiisneegyrhicyfqidkkdctfit kgtwevigiealtsdylyyisneykgmpggrnlykiqlsdytkvtclscelnpercqyys vsfskeakyyqlrcsgpglplytlhssvndkglrvlednsaldkmlqnvqmpskkldfii lnetkfwyqmilpphfdkskkypllldvyagpcsqkadtvfrlnwatylasteniivasf dgrgsgyqgdkimhainrrlgtfevedqieaarqfskmgfvdnkriaiwgwsyggyvtsm vlgsgsgvfkcgiavapvsrweyydsvyterymglptpednldhyrnstvmsraenfkqv eyllihgtaddnvhfqqsaqiskalvdvgvdfqamwytdedhgiasstahqhiythmshf ikqcfslp
>1tk3A (A:) srktytltdylkntyrlklyslrwisdheylykqennilvfnaeygnssvflenstfdef ghsindysispdgqfilleynyvkqwrhsytasydiydlnkrqliteeripnntqwvtws pvghklayvwnndiyvkiepnlpsyritwtgkediiyngitdwvyeeevfsaysalwwsp ngtflayaqfndtevplieysfysdeslqypktvrvpypkagavnptvkffvvntdslss vtnatsiqitapasmligdhylcdvtwatqerislqwlrriqnysvmdicdydessgrwn clvarqhiemsttgwvgrfrpsephftldgnsfykiisneegyrhicyfqidkkdctfit kgtwevigiealtsdylyyisneykgmpggrnlykiqlsdytkvtclscelnpercqyys vsfskeakyyqlrcsgpglplytlhssvndkglrvlednsaldkmlqnvqmpskkldfii lnetkfwyqmilpphfdkskkypllldvyagpcsqkadtvfrlnwatylasteniivasf dgrgsgyqgdkimhainrrlgtfevedqieaarqfskmgfvdnkriaiwgwsyggyvtsm vlgsgsgvfkcgiavapvsrweyydsvyterymglptpednldhyrnstvmsraenfkqv eyllihgtaddnvhfqqsaqiskalvdvgvdfqamwytdedhgiasstahqhiythmshf ikqcfs
>1tk3B (B:) srktytltdylkntyrlklyslrwisdheylykqennilvfnaeygnssvflenstfdef ghsindysispdgqfilleynyvkqwrhsytasydiydlnkrqliteeripnntqwvtws pvghklayvwnndiyvkiepnlpsyritwtgkediiyngitdwvyeeevfsaysalwwsp ngtflayaqfndtevplieysfysdeslqypktvrvpypkagavnptvkffvvntdslss vtnatsiqitapasmligdhylcdvtwatqerislqwlrriqnysvmdicdydessgrwn clvarqhiemsttgwvgrfrpsephftldgnsfykiisneegyrhicyfqidkkdctfit kgtwevigiealtsdylyyisneykgmpggrnlykiqlsdytkvtclscelnpercqyys vsfskeakyyqlrcsgpglplytlhssvndkglrvlednsaldkmlqnvqmpskkldfii lnetkfwyqmilpphfdkskkypllldvyagpcsqkadtvfrlnwatylasteniivasf dgrgsgyqgdkimhainrrlgtfevedqieaarqfskmgfvdnkriaiwgwsyggyvtsm vlgsgsgvfkcgiavapvsrweyydsvyterymglptpednldhyrnstvmsraenfkqv eyllihgtaddnvhfqqsaqiskalvdvgvdfqamwytdedhgiasstahqhiythmshf ikqcfslp