Chains and heterogens:
PDB Chain Sequences:
>2i91A (A:) meatmdqtqplnekqvpnsegcyvwqvsdmnrlrrflcfgseggtyyieekklgqenaea llrliedgkgcevvqeiktfsqegraakqeptlfalavcsqcsdiktkqaafravpevcr ipthlftfiqfkkdlkegmkcgmwgralrkavsdwyntkdalnlamavtkykqrngwshk dllrlshikpanegltmvakyvskgwkevqeaykekelspetekvlkyleatervkrtkd eleiihlideyrlvrehlltihlkskeiwksllqdmpltallrnlgkmtadsvlapasse vssvcerltnekllkkarihpfhilvaletykkghgnrgklrwipdtsivealdnafyks fklveptgkrfllaidvsasmnqrvlgsilnasvvaaamcmlvartekdshmvafsdeml pcpitvnmllhevvekmsditmgstdcalpmlwaqktntaadifivftdcetnvedvhpa talkqyrekmgipaklivcamtsngfsiadpddrgmldicgfdsgaldvirnftldli
>2i91A (A:) mdqtqplnekqvpnsegcyvwqvsdmnrlrrflcfgseggtyyieekklgqenaeallrl iedgkgcevvqeiktfsqegraakqeptlfalavcsqcsdiktkqaafravpevcripth lftfiqfkkdlwgralrkavsdwyntkdalnlamavtkykqrngwshkdllrlshikpan egltmvakyvskgwkevqeayspetekvlkyleatervkrtkdeleiihlideyrlvreh lltihlkskeiwksllqdmpltallrnlgkmtadsvlapassevssvcerltnekllkka rihpfhilvaletykkghgnrgklrwipdtsivealdnafyksfklveptgkrfllaidv sasmnqrvlgsilnasvvaaamcmlvartekdshmvafsdemlpcpitvnmllhevvekm sditmgstdcalpmlwaqktntaadifivftdcetnvedvhpatalkqyrekmgipakli vcamtsngfsiadpddrgmldicgfdsgaldvirnftldl
>2i91B (B:) meatmdqtqplnekqvpnsegcyvwqvsdmnrlrrflcfgseggtyyieekklgqenaea llrliedgkgcevvqeiktfsqegraakqeptlfalavcsqcsdiktkqaafravpevcr ipthlftfiqfkkdlkegmkcgmwgralrkavsdwyntkdalnlamavtkykqrngwshk dllrlshikpanegltmvakyvskgwkevqeaykekelspetekvlkyleatervkrtkd eleiihlideyrlvrehlltihlkskeiwksllqdmpltallrnlgkmtadsvlapasse vssvcerltnekllkkarihpfhilvaletykkghgnrgklrwipdtsivealdnafyks fklveptgkrfllaidvsasmnqrvlgsilnasvvaaamcmlvartekdshmvafsdeml pcpitvnmllhevvekmsditmgstdcalpmlwaqktntaadifivftdcetnvedvhpa talkqyrekmgipaklivcamtsngfsiadpddrgmldicgfdsgaldvirnftldli
>2i91B (B:) mdqtqplnekqvpnsegcyvwqvsdmnrlrrflcfgseggtyyieekklgqenaeallrl iedgkgcevvqeiktfsqegraakqeptlfalavcsqcsdiktkqaafravpevcripth lftfiqfkkdlkwgralrkavsdwyntkdalnlamavtkykqrngwshkdllrlshikpa negltmvakyvskgwkevqeaykekelspetekvlkyleatervkrtkdeleiihlidey rlvrehlltihlkskeiwksllqdmpltallrnlgkmtadsvlapassevssvcerltne kllkkarihpfhilvaletykkghgnrgklrwipdtsivealdnafyksfklveptgkrf llaidvsasmnqrvlgsilnasvvaaamcmlvartekdshmvafsdemlpcpitvnmllh evvekmsditmgstdcalpmlwaqktntaadifivftdcetnvedvhpatalkqyrekmg ipaklivcamtsngfsiadpddrgmldicgfdsgaldvirnftldl