Chains and heterogens:
PDB Chain Sequences:
>4f8xA (A:) didlnklaqrrgkhwfgtaadipgtaettdaaylkvlkqnfgeitpanamkfmyteteqn vfnftegeqflevaerfgskvrchnlvwasqvsdfvtsktwtakeltavmknhifktvqh fgrrcyswdvvnealngdgtfsssvwydtigeeyfylafkyaqealaqigandvklyynd ygienpgtkstavlqlvsnlrkrgiridgvgleshfivgetpsladqlatkqayikanld vavteldvrfstvpyytaaaqkqqaedyyvsvascmnagprcigvvvwdfddayswvpsa fagqggaclfnntleakpayyavadalegkpcsvc