Chains and heterogens:
PDB Chain Sequences:
>5o77A (A:) aeiynkngnkldfygkmvgehvwttngdtssddttyariglkgetqindqligygqweyn mdasnvegsqttktrlafaglkageygsfdygrnygaiydveaatdmlvewggdgwnytd nymtgrtngvatyrnsdffglvdglsfalqyqgkndhdrairkqngdgfstaatyafdng ialsagysssnrsvdqkadgngdkaeawatsakydanniyaavmysqtynmtpeednhfa gktqnfeavvqyqfdfglrpsigyvqtkgkdlqsragfsggdadlvkyievgtwyyfnkn mnvyaaykfnqlddndytkaagvatddqaavgivyqf