Chains and heterogens:
PDB Chain Sequences:
>1qktA (A:) nslalsltadqmvsalldaeppilyseydptrpfseasmmglltnladrelvhminwakr vpgfvdltlhdqvhllesawleilmiglvwrsmehpgkllfapnllldrnqgksvegmve ifdmllatssrfrmmnlqgeefvclksiillnsgvytflsstlksleekdhihrvldkit dtlihlmakagltlqqqhqrlaqlllilshirhmsnkgmehlysmksknvvplydlllem ldahrlha