Chains and heterogens:
PDB Chain Sequences:
>2qtbA (A:) mktpwkvllgllgaaalvtiitvpvvllnkgtddatadtrktytltdylkntyrlklysl rwisdheylykqennilvfnaeygnssvflenstfdefghsindysispdgqfilleyny vkqwrhsytasydiydlnkrqliteeripnntqwvtwspvghklayvwnndiyvkiepnl psyritwtgkediiyngitdwvyeeevfsaysalwwspngtflayaqfndtevplieysf ysdeslqypktvrvpypkagavnptvkffvvntdslssvtnatsiqitapasmligdhyl cdvtwatqerislqwlrriqnysvmdicdydessgrwnclvarqhiemsttgwvgrfrps ephftldgnsfykiisneegyrhicyfqidkkdctfitkgtwevigiealtsdylyyisn eykgmpggrnlykiqlsdytkvtclscelnpercqyysvsfskeakyyqlrcsgpglply tlhssvndkglrvlednsaldkmlqnvqmpskkldfiilnetkfwyqmilpphfdkskky pllldvyagpcsqkadtvfrlnwatylasteniivasfdgrgsgyqgdkimhainrrlgt fevedqieaarqfskmgfvdnkriaiwgwsyggyvtsmvlgsgsgvfkcgiavapvsrwe yydsvyterymglptpednldhyrnstvmsraenfkqveyllihgtaddnvhfqqsaqis kalvdvgvdfqamwytdedhgiasstahqhiythmshfikqcfslp
>2qtbA (A:) trktytltdylkntyrlklyslrwisdheylykqennilvfnaeygnssvflenstfdef ghsindysispdgqfilleynyvkqwrhsytasydiydlnkrqliteeripnntqwvtws pvghklayvwnndiyvkiepnlpsyritwtgkediiyngitdwvyeeevfsaysalwwsp ngtflayaqfndtevplieysfysdeslqypktvrvpypkagavnptvkffvvntdslss vtnatsiqitapasmligdhylcdvtwatqerislqwlrriqnysvmdicdydessgrwn clvarqhiemsttgwvgrfrpsephftldgnsfykiisneegyrhicyfqidkkdctfit kgtwevigiealtsdylyyisneykgmpggrnlykiqlsdytkvtclscelnpercqyys vsfskeakyyqlrcsgpglplytlhssvndkglrvlednsaldkmlqnvqmpskkldfii lnetkfwyqmilpphfdkskkypllldvyagpcsqkadtvfrlnwatylasteniivasf dgrgsgyqgdkimhainrrlgtfevedqieaarqfskmgfvdnkriaiwgwsyggyvtsm vlgsgsgvfkcgiavapvsrweyydsvyterymglptpednldhyrnstvmsraenfkqv eyllihgtaddnvhfqqsaqiskalvdvgvdfqamwytdedhgiasstahqhiythmshf ikqcfslp
>2qtbB (B:) mktpwkvllgllgaaalvtiitvpvvllnkgtddatadtrktytltdylkntyrlklysl rwisdheylykqennilvfnaeygnssvflenstfdefghsindysispdgqfilleyny vkqwrhsytasydiydlnkrqliteeripnntqwvtwspvghklayvwnndiyvkiepnl psyritwtgkediiyngitdwvyeeevfsaysalwwspngtflayaqfndtevplieysf ysdeslqypktvrvpypkagavnptvkffvvntdslssvtnatsiqitapasmligdhyl cdvtwatqerislqwlrriqnysvmdicdydessgrwnclvarqhiemsttgwvgrfrps ephftldgnsfykiisneegyrhicyfqidkkdctfitkgtwevigiealtsdylyyisn eykgmpggrnlykiqlsdytkvtclscelnpercqyysvsfskeakyyqlrcsgpglply tlhssvndkglrvlednsaldkmlqnvqmpskkldfiilnetkfwyqmilpphfdkskky pllldvyagpcsqkadtvfrlnwatylasteniivasfdgrgsgyqgdkimhainrrlgt fevedqieaarqfskmgfvdnkriaiwgwsyggyvtsmvlgsgsgvfkcgiavapvsrwe yydsvyterymglptpednldhyrnstvmsraenfkqveyllihgtaddnvhfqqsaqis kalvdvgvdfqamwytdedhgiasstahqhiythmshfikqcfslp
>2qtbB (B:) trktytltdylkntyrlklyslrwisdheylykqennilvfnaeygnssvflenstfdef ghsindysispdgqfilleynyvkqwrhsytasydiydlnkrqliteeripnntqwvtws pvghklayvwnndiyvkiepnlpsyritwtgkediiyngitdwvyeeevfsaysalwwsp ngtflayaqfndtevplieysfysdeslqypktvrvpypkagavnptvkffvvntdslss vtnatsiqitapasmligdhylcdvtwatqerislqwlrriqnysvmdicdydessgrwn clvarqhiemsttgwvgrfrpsephftldgnsfykiisneegyrhicyfqidkkdctfit kgtwevigiealtsdylyyisneykgmpggrnlykiqlsdytkvtclscelnpercqyys vsfskeakyyqlrcsgpglplytlhssvndkglrvlednsaldkmlqnvqmpskkldfii lnetkfwyqmilpphfdkskkypllldvyagpcsqkadtvfrlnwatylasteniivasf dgrgsgyqgdkimhainrrlgtfevedqieaarqfskmgfvdnkriaiwgwsyggyvtsm vlgsgsgvfkcgiavapvsrweyydsvyterymglptpednldhyrnstvmsraenfkqv eyllihgtaddnvhfqqsaqiskalvdvgvdfqamwytdedhgiasstahqhiythmshf ikqcfslp