Chains and heterogens:
PDB Chain Sequences:
>1qkuA (A:) skknslalsltadqmvsalldaeppilyseydptrpfseasmmglltnladrelvhminw akrvpgfvdltlhdqvhllecawleilmiglvwrsmehpgkllfapnllldrnqgkcveg mveifdmllatssrfrmmnlqgeefvclksiillnsgvytflsstlksleekdhihrvld kitdtlihlmakagltlqqqhqrlaqlllilshirhmsnkgmehlysmkcknvvplydll lemldahrlh
>1qkuB (B:) nslalsltadqmvsalldaeppilyseydptrpfseasmmglltnladrelvhminwakr vpgfvdltlhdqvhllecawleilmiglvwrsmehpgkllfapnllldrnqgkcvegmve ifdmllatssrfrmmnlqgeefvclksiillnsgvytflsstlksleekdhihrvldkit dtlihlmakagltlqqqhqrlaqlllilshirhmsnkgmehlysmkcknvvplydlllem ldahrlh
>1qkuC (C:) nslalsltadqmvsalldaeppilyseydptrpfseasmmglltnladrelvhminwakr vpgfvdltlhdqvhllecawleilmiglvwrsmehpgkllfapnllldrnqgkcvegmve ifdmllatssrfrmmnlqgeefvclksiillnsgvytflsstlksleekdhihrvldkit dtlihlmakagltlqqqhqrlaqlllilshirhmsnkgmehlysmkcknvvplydlllem ldahrlh