Chains and heterogens:
PDB Chain Sequences:
>1f0qA (A:) mskarvyadvnvlrpkeywdyealtvqwgeqddyevvrkvgrgkysevfeginvnnnekc iikilkpvkkkkikreikilqnlcggpnivklldivrdqhsktpslifeyvnntdfkvly ptltdydiryyiyellkaldychsqgimhrdvkphnvmidhelrklrlidwglaefyhpg keynvrvasryfkgpellvdlqdydysldmwslgcmfagmifrkepffyghdnhdqlvki akvlgtdglnvylnkyrieldpqlealvgrhsrkpwlkfmnadnqhlvspeaidfldkll rydhqerltaleamthpyfqqvraaensr