entities:
  # Specify a designed protein chain
  # random number between 80 and 140 of designed residues (inclusive)
  - protein:
      id: C
      sequence: 80..140
  # Specification of the target which is extracted from a .cif file
  - file:
      path: 1g13.cif
      # Which chain and residues in the .cif file to use as target (uses only chain A here)
      include:
        - chain:
            id: A