Chains and heterogens:
PDB Chain Sequences:
>1fy9A (A:) glvprgsegmqfdrgylspyfinkpetgevelespfillvdkkisnirellpvleavaka gkplliiaedvegealatlvvntmrgivkvaavkapgfgdrrkamlqdiatltggtvise elgmklekatledlgqakrvvitkdtttiidgvgeeaaiqgrvaqirqqieeatsdydre klqervaklaggv