Chains and heterogens:
PDB Chain Sequences:
>2xahA (A:) mlsgkkaaaaaaaaaaaatgteagpgtaggsengsevaaqpaglsgpaevgpgavgertp rkkepprasppgglaeppgsagpqagptvvpgsatpmetgiaetpegrrtsrrkrakvey remdeslanlsedeyyseeernakaekekklpppppqappeeenesepeepsgvegaafq srlphdrmtsqeaacfpdiisgpqqtqkvflfirnrtlqlwldnpkiqltfeatlqqlea pynsdtvlvhrvhsylerhglinfgiykrikplptkktgkviiigsgvsglaaarqlqsf gmdvtlleardrvggrvatfrkgnyvadlgamvvtglggnpmavvskqvnmelakikqkc plyeangqavpkekdemveqefnrlleatsylshqldfnvlnnkpvslgqalevviqlqe khvkdeqiehwkkivktqeelkellnkmvnlkekikelhqqykeasevkpprditaeflv kskhrdltalckeydelaetqgkleeklqeleanppsdvylssrdrqildwhfanlefan atplstlslkhwdqdddfeftgshltvrngyscvpvalaegldiklntavrqvrytasgc eviavntrstsqtfiykcdavlctlplgvlkqqppavqfvpplpewktsavqrmgfgnln kvvlcfdrvfwdpsvnlfghvgsttasrgelflfwnlykapillalvageaagimenisd dvivgrclailkgifgssavpqpketvvsrwradpwargsysyvaagssgndydlmaqpi tpgpsipgapqpiprlffagehtirnypatvhgallsglreagriadqflgamytlprqa tpgvpaqqspsm
>2xahA (A:) psgvegaafqsrlphdrmtsqeaacfpdiisgpqqtqkvflfirnrtlqlwldnpkiqlt featlqqleapynsdtvlvhrvhsylerhglinfgiykrikplptkktgkviiigsgvsg laaarqlqsfgmdvtlleardrvggrvatfrkgnyvadlgamvvtglggnpmavvskqvn melakikqkcplyeangqavpkekdemveqefnrlleatsylshqldfnvlnnkpvslgq alevviqlqekhvkdeqiehwkkivktqeelkellnkmvnlkekikelhqqykeasevkp prditaeflvkskhrdltalckeydelaetqgkleeklqeleanppsdvylssrdrqild whfanlefanatplstlslkhwdqdddfeftgshltvrngyscvpvalaegldiklntav rqvrytasgceviavntrstsqtfiykcdavlctlplgvlkqqppavqfvpplpewktsa vqrmgfgnlnkvvlcfdrvfwdpsvnlfghvgsttasrgelflfwnlykapillalvage aagimenisddvivgrclailkgifgssavpqpketvvsrwradpwargsysyvaagssg ndydlmaqpitpgpsipgapqpiprlffagehtirnypatvhgallsglreagriadqfl gamytl
>2xahB (B:) mvekgpevsgkrrgrnnaaasasaaaasaaasaacaspaataasgaaassasaaaasaaa apnngqnkslaaaapngnsssnsweegssgsssdeehggggmrvgpqyqavvpdfdpakl arrsqerdnlgmlvwspnqnlseakldeyiaiakekhgynmeqalgmlfwhkhnieksla dlpnftpfpdewtvedkvlfeqafsfhgktfhriqqmlpdksiaslvkfyyswkktrtkt svmdrharkqkrereesedeleeangnnpidievdqnkeskkevpptetvpqvkkekhst qaknrakrkppkgmflsqedveavsanataattvlrqldmelvsvkrqiqnikqtnsalk ekldggiepyrlpeviqkcnarwtteeqllavqairkygrdfqaisdvignksvvqvknf fvnyrrrfnidevlqeweaehgkeetngpsnqkpvkspdnsikmpeeedeapvldvryas as
>2xahB (B:) rkppkgmflsqedveavsanataattvlrqldmelvsvkrqiqnikqtnsalkekldggi epyrlpeviqkcnarwtteeqllavqairkygrdfqaisdvignksvvqvknffvnyrrr fnidevlqeweae