Chains and heterogens:
PDB Chain Sequences:
>2buaA (A:) srrtytltdylkstfrvkfytlqwisdheylykqennillfnaeygnssiflenstfdel gystndysvspdrqfilfeynyvkqwrhsytasydiydlnkrqliteeripnntqwitws pvghklayvwnndiyvknepnlssqritwtgkenviyngvtdwvyeeevfsaysalwwsp ngtflayaqfndtevplieysfysdeslqypktvripypkagaenptvkffvvdtrtlsp nasvtsyqivppasvligdhylcgvtwvteerislqwirraqnysiidicdydestgrwi ssvarqhieisttgwvgrfrpaephftsdgnsfykiisneegykhichfqtdksnctfit kgawevigiealtsdylyyisnehkgmpggrnlyriqlndytkvtclscelnpercqyys asfsnkakyyqlrcfgpglplytlhssssdkelrvlednsaldkmlqdvqmpskkldvin lhgtkfwyqmilpphfdkskkypllievyagpcsqkvdtvfrlswatylasteniivasf dgrgsgyqgdkimhainrrlgtfevedqieatrqfskmgfvddkriaiwgwsyggyvtsm vlgagsgvfkcgiavapvskweyydsvyterymglptpednldyyrnstvmsraenfkqv eyllihgtaddnvhfqqsaqlskalvdagvdfqtmwytdedhgiasnmahqhiythmshf lkqcfslp
>2buaB (B:) srrtytltdylkstfrvkfytlqwisdheylykqennillfnaeygnssiflenstfdel gystndysvspdrqfilfeynyvkqwrhsytasydiydlnkrqliteeripnntqwitws pvghklayvwnndiyvknepnlssqritwtgkenviyngvtdwvyeeevfsaysalwwsp ngtflayaqfndtevplieysfysdeslqypktvripypkagaenptvkffvvdtrtlsp nasvtsyqivppasvligdhylcgvtwvteerislqwirraqnysiidicdydestgrwi ssvarqhieisttgwvgrfrpaephftsdgnsfykiisneegykhichfqtdksnctfit kgawevigiealtsdylyyisnehkgmpggrnlyriqlndytkvtclscelnpercqyys asfsnkakyyqlrcfgpglplytlhssssdkelrvlednsaldkmlqdvqmpskkldvin lhgtkfwyqmilpphfdkskkypllievyagpcsqkvdtvfrlswatylasteniivasf dgrgsgyqgdkimhainrrlgtfevedqieatrqfskmgfvddkriaiwgwsyggyvtsm vlgagsgvfkcgiavapvskweyydsvyterymglptpednldyyrnstvmsraenfkqv eyllihgtaddnvhfqqsaqlskalvdagvdfqtmwytdedhgiasnmahqhiythmshf lkqcfslp
>2buaC (C:) srrtytltdylkstfrvkfytlqwisdheylykqennillfnaeygnssiflenstfdel gystndysvspdrqfilfeynyvkqwrhsytasydiydlnkrqliteeripnntqwitws pvghklayvwnndiyvknepnlssqritwtgkenviyngvtdwvyeeevfsaysalwwsp ngtflayaqfndtevplieysfysdeslqypktvripypkagaenptvkffvvdtrtlsp nasvtsyqivppasvligdhylcgvtwvteerislqwirraqnysiidicdydestgrwi ssvarqhieisttgwvgrfrpaephftsdgnsfykiisneegykhichfqtdksnctfit kgawevigiealtsdylyyisnehkgmpggrnlyriqlndytkvtclscelnpercqyys asfsnkakyyqlrcfgpglplytlhssssdkelrvlednsaldkmlqdvqmpskkldvin lhgtkfwyqmilpphfdkskkypllievyagpcsqkvdtvfrlswatylasteniivasf dgrgsgyqgdkimhainrrlgtfevedqieatrqfskmgfvddkriaiwgwsyggyvtsm vlgagsgvfkcgiavapvskweyydsvyterymglptpednldyyrnstvmsraenfkqv eyllihgtaddnvhfqqsaqlskalvdagvdfqtmwytdedhgiasnmahqhiythmshf lkqcfslp
>2buaD (D:) srrtytltdylkstfrvkfytlqwisdheylykqennillfnaeygnssiflenstfdel gystndysvspdrqfilfeynyvkqwrhsytasydiydlnkrqliteeripnntqwitws pvghklayvwnndiyvknepnlssqritwtgkenviyngvtdwvyeeevfsaysalwwsp ngtflayaqfndtevplieysfysdeslqypktvripypkagaenptvkffvvdtrtlsp nasvtsyqivppasvligdhylcgvtwvteerislqwirraqnysiidicdydestgrwi ssvarqhieisttgwvgrfrpaephftsdgnsfykiisneegykhichfqtdksnctfit kgawevigiealtsdylyyisnehkgmpggrnlyriqlndytkvtclscelnpercqyys asfsnkakyyqlrcfgpglplytlhssssdkelrvlednsaldkmlqdvqmpskkldvin lhgtkfwyqmilpphfdkskkypllievyagpcsqkvdtvfrlswatylasteniivasf dgrgsgyqgdkimhainrrlgtfevedqieatrqfskmgfvddkriaiwgwsyggyvtsm vlgagsgvfkcgiavapvskweyydsvyterymglptpednldyyrnstvmsraenfkqv eyllihgtaddnvhfqqsaqlskalvdagvdfqtmwytdedhgiasnmahqhiythmshf lkqcfslp