Chains and heterogens:
PDB Chain Sequences:
>1r9nA (A:) adpggshhhhhsrktytltdylkntyrlklyslrwisdheylykqennilvfnaeygnss vflenstfdefghsindysispdgqfilleynyvkqwrhsytasydiydlnkrqliteer ipnntqwvtwspvghklayvwnndiyvkiepnlpsyritwtgkediiyngitdwvyeeev fsaysalwwspngtflayaqfndtevplieysfysdeslqypktvrvpypkagavnptvk ffvvntdslssvtnatsiqitapasmligdhylcdvtwatqerislqwlrriqnysvmdi cdydessgrwnclvarqhiemsttgwvgrfrpsephftldgnsfykiisneegyrhicyf qidkkdctfitkgtwevigiealtsdylyyisneykgmpggrnlykiqlsdytkvtclsc elnpercqyysvsfskeakyyqlrcsgpglplytlhssvndkglrvlednsaldkmlqnv qmpskkldfiilnetkfwyqmilpphfdkskkypllldvyagpcsqkadtvfrlnwatyl asteniivasfdgrgsgyqgdkimhainrrlgtfevedqieaarqfskmgfvdnkriaiw gwsyggyvtsmvlgsgsgvfkcgiavapvsrweyydsvyterymglptpednldhyrnst vmsraenfkqveyllihgtaddnvhfqqsaqiskalvdvgvdfqamwytdedhgiassta hqhiythmshfikqcfslp
>1r9nA (A:) srktytltdylkntyrlklyslrwisdheylykqennilvfnaeygnssvflenstfdef ghsindysispdgqfilleynyvkqwrhsytasydiydlnkrqliteeripnntqwvtws pvghklayvwnndiyvkiepnlpsyritwtgkediiyngitdwvyeeevfsaysalwwsp ngtflayaqfndtevplieysfysdeslqypktvrvpypkagavnptvkffvvntdslss vtnatsiqitapasmligdhylcdvtwatqerislqwlrriqnysvmdicdydessgrwn clvarqhiemsttgwvgrfrpsephftldgnsfykiisneegyrhicyfqidkkdctfit kgtwevigiealtsdylyyisneykgmpggrnlykiqlsdytkvtclscelnpercqyys vsfskeakyyqlrcsgpglplytlhssvndkglrvlednsaldkmlqnvqmpskkldfii lnetkfwyqmilpphfdkskkypllldvyagpcsqkadtvfrlnwatylasteniivasf dgrgsgyqgdkimhainrrlgtfevedqieaarqfskmgfvdnkriaiwgwsyggyvtsm vlgsgsgvfkcgiavapvsrweyydsvyterymglptpednldhyrnstvmsraenfkqv eyllihgtaddnvhfqqsaqiskalvdvgvdfqamwytdedhgiasstahqhiythmshf ikqcfslp
>1r9nB (B:) adpggshhhhhsrktytltdylkntyrlklyslrwisdheylykqennilvfnaeygnss vflenstfdefghsindysispdgqfilleynyvkqwrhsytasydiydlnkrqliteer ipnntqwvtwspvghklayvwnndiyvkiepnlpsyritwtgkediiyngitdwvyeeev fsaysalwwspngtflayaqfndtevplieysfysdeslqypktvrvpypkagavnptvk ffvvntdslssvtnatsiqitapasmligdhylcdvtwatqerislqwlrriqnysvmdi cdydessgrwnclvarqhiemsttgwvgrfrpsephftldgnsfykiisneegyrhicyf qidkkdctfitkgtwevigiealtsdylyyisneykgmpggrnlykiqlsdytkvtclsc elnpercqyysvsfskeakyyqlrcsgpglplytlhssvndkglrvlednsaldkmlqnv qmpskkldfiilnetkfwyqmilpphfdkskkypllldvyagpcsqkadtvfrlnwatyl asteniivasfdgrgsgyqgdkimhainrrlgtfevedqieaarqfskmgfvdnkriaiw gwsyggyvtsmvlgsgsgvfkcgiavapvsrweyydsvyterymglptpednldhyrnst vmsraenfkqveyllihgtaddnvhfqqsaqiskalvdvgvdfqamwytdedhgiassta hqhiythmshfikqcfslp
>1r9nB (B:) hhhsrktytltdylkntyrlklyslrwisdheylykqennilvfnaeygnssvflenstf defghsindysispdgqfilleynyvkqwrhsytasydiydlnkrqliteeripnntqwv twspvghklayvwnndiyvkiepnlpsyritwtgkediiyngitdwvyeeevfsaysalw wspngtflayaqfndtevplieysfysdeslqypktvrvpypkagavnptvkffvvntds lssvtnatsiqitapasmligdhylcdvtwatqerislqwlrriqnysvmdicdydessg rwnclvarqhiemsttgwvgrfrpsephftldgnsfykiisneegyrhicyfqidkkdct fitkgtwevigiealtsdylyyisneykgmpggrnlykiqlsdytkvtclscelnpercq yysvsfskeakyyqlrcsgpglplytlhssvndkglrvlednsaldkmlqnvqmpskkld fiilnetkfwyqmilpphfdkskkypllldvyagpcsqkadtvfrlnwatylasteniiv asfdgrgsgyqgdkimhainrrlgtfevedqieaarqfskmgfvdnkriaiwgwsyggyv tsmvlgsgsgvfkcgiavapvsrweyydsvyterymglptpednldhyrnstvmsraenf kqveyllihgtaddnvhfqqsaqiskalvdvgvdfqamwytdedhgiasstahqhiythm shfikqcfslp
>1r9nC (C:) adpggshhhhhsrktytltdylkntyrlklyslrwisdheylykqennilvfnaeygnss vflenstfdefghsindysispdgqfilleynyvkqwrhsytasydiydlnkrqliteer ipnntqwvtwspvghklayvwnndiyvkiepnlpsyritwtgkediiyngitdwvyeeev fsaysalwwspngtflayaqfndtevplieysfysdeslqypktvrvpypkagavnptvk ffvvntdslssvtnatsiqitapasmligdhylcdvtwatqerislqwlrriqnysvmdi cdydessgrwnclvarqhiemsttgwvgrfrpsephftldgnsfykiisneegyrhicyf qidkkdctfitkgtwevigiealtsdylyyisneykgmpggrnlykiqlsdytkvtclsc elnpercqyysvsfskeakyyqlrcsgpglplytlhssvndkglrvlednsaldkmlqnv qmpskkldfiilnetkfwyqmilpphfdkskkypllldvyagpcsqkadtvfrlnwatyl asteniivasfdgrgsgyqgdkimhainrrlgtfevedqieaarqfskmgfvdnkriaiw gwsyggyvtsmvlgsgsgvfkcgiavapvsrweyydsvyterymglptpednldhyrnst vmsraenfkqveyllihgtaddnvhfqqsaqiskalvdvgvdfqamwytdedhgiassta hqhiythmshfikqcfslp
>1r9nC (C:) rktytltdylkntyrlklyslrwisdheylykqennilvfnaeygnssvflenstfdefg hsindysispdgqfilleynyvkqwrhsytasydiydlnkrqliteeripnntqwvtwsp vghklayvwnndiyvkiepnlpsyritwtgkediiyngitdwvyeeevfsaysalwwspn gtflayaqfndtevplieysfysdeslqypktvrvpypkagavnptvkffvvntdslssv tnatsiqitapasmligdhylcdvtwatqerislqwlrriqnysvmdicdydessgrwnc lvarqhiemsttgwvgrfrpsephftldgnsfykiisneegyrhicyfqidkkdctfitk gtwevigiealtsdylyyisneykgmpggrnlykiqlsdytkvtclscelnpercqyysv sfskeakyyqlrcsgpglplytlhssvndkglrvlednsaldkmlqnvqmpskkldfiil netkfwyqmilpphfdkskkypllldvyagpcsqkadtvfrlnwatylasteniivasfd grgsgyqgdkimhainrrlgtfevedqieaarqfskmgfvdnkriaiwgwsyggyvtsmv lgsgsgvfkcgiavapvsrweyydsvyterymglptpednldhyrnstvmsraenfkqve yllihgtaddnvhfqqsaqiskalvdvgvdfqamwytdedhgiasstahqhiythmshfi kqcfslp
>1r9nD (D:) adpggshhhhhsrktytltdylkntyrlklyslrwisdheylykqennilvfnaeygnss vflenstfdefghsindysispdgqfilleynyvkqwrhsytasydiydlnkrqliteer ipnntqwvtwspvghklayvwnndiyvkiepnlpsyritwtgkediiyngitdwvyeeev fsaysalwwspngtflayaqfndtevplieysfysdeslqypktvrvpypkagavnptvk ffvvntdslssvtnatsiqitapasmligdhylcdvtwatqerislqwlrriqnysvmdi cdydessgrwnclvarqhiemsttgwvgrfrpsephftldgnsfykiisneegyrhicyf qidkkdctfitkgtwevigiealtsdylyyisneykgmpggrnlykiqlsdytkvtclsc elnpercqyysvsfskeakyyqlrcsgpglplytlhssvndkglrvlednsaldkmlqnv qmpskkldfiilnetkfwyqmilpphfdkskkypllldvyagpcsqkadtvfrlnwatyl asteniivasfdgrgsgyqgdkimhainrrlgtfevedqieaarqfskmgfvdnkriaiw gwsyggyvtsmvlgsgsgvfkcgiavapvsrweyydsvyterymglptpednldhyrnst vmsraenfkqveyllihgtaddnvhfqqsaqiskalvdvgvdfqamwytdedhgiassta hqhiythmshfikqcfslp
>1r9nD (D:) rktytltdylkntyrlklyslrwisdheylykqennilvfnaeygnssvflenstfdefg hsindysispdgqfilleynyvkqwrhsytasydiydlnkrqliteeripnntqwvtwsp vghklayvwnndiyvkiepnlpsyritwtgkediiyngitdwvyeeevfsaysalwwspn gtflayaqfndtevplieysfysdeslqypktvrvpypkagavnptvkffvvntdslssv tnatsiqitapasmligdhylcdvtwatqerislqwlrriqnysvmdicdydessgrwnc lvarqhiemsttgwvgrfrpsephftldgnsfykiisneegyrhicyfqidkkdctfitk gtwevigiealtsdylyyisneykgmpggrnlykiqlsdytkvtclscelnpercqyysv sfskeakyyqlrcsgpglplytlhssvndkglrvlednsaldkmlqnvqmpskkldfiil netkfwyqmilpphfdkskkypllldvyagpcsqkadtvfrlnwatylasteniivasfd grgsgyqgdkimhainrrlgtfevedqieaarqfskmgfvdnkriaiwgwsyggyvtsmv lgsgsgvfkcgiavapvsrweyydsvyterymglptpednldhyrnstvmsraenfkqve yllihgtaddnvhfqqsaqiskalvdvgvdfqamwytdedhgiasstahqhiythmshfi kqcfslp