docs: def map_pdb_residues_to_rosetta_residues(self, mutations):
          '''This function takes a list of ChainMutation objects and uses the PDB to Rosetta mapping to return the corresponding
             list of SimpleMutation objects using Rosetta numbering.
             e.g.
                p = PDB(...)
                p.construct_pdb_to_rosetta_residue_map()
                rosetta_mutations = p.map_pdb_residues_to_rosetta_residues(pdb_mutations)
          '''
          if not self.rosetta_to_atom_sequence_maps and self.rosetta_sequences:
              raise Exception('The PDB to Rosetta mapping has not been determined. Please call construct_pdb_to_rosetta_residue_map first.')
  
          rosetta_mutations = []
          atom_sequence_to_rosetta_mapping = self.get_atom_sequence_to_rosetta_map()
          for m in mutations:
              rosetta_residue_id = atom_sequence_to_rosetta_mapping[m.Chain].get('%s%s' % (m.Chain, m.ResidueID))
              rosetta_mutations.append(SimpleMutation(m.WildTypeAA, rosetta_residue_id, m.MutantAA))
          return rosetta_mutations