Chains and heterogens:
PDB Chain Sequences:
>1jf0A (A:) kyavklqtdfdnpkwikrhkfmfdyldingngqitldeivskasddicknlgatpaqtqr hqdcveaffrgcgleygketkfpeflegwknlanadlakwarneptlirewgdavfdifd kdgsgtitldewkaygrisgispseedcektfqhcdldnsgeldvdemtrqhlgfwytld peadglygngvp