code: def parse_mmtf(file_path: str) -> pd.DataFrame:
      """Parses an MMTF file from disk and returns a pandas DataFrame.
  
      :param file_path: Path to mmtf file.
      :type file_path: str
      :return: Dataframe of protein structure.
      :rtype: pd.DataFrame
      """
      df = (
          parse_gzip(file_path)
          if file_path.endswith(".gz")
          else parse(file_path)
      )
      return mmtf_to_df(df)
  
imports: from __future__ import annotations
  import os
  import copy
  import gzip
  import warnings
  from string import ascii_uppercase
  from typing import Any, Dict, List, Union
  from warnings import warn
  import numpy
  import pandas
  from looseversion import LooseVersion
  from mmtf import MMTFDecoder, MMTFEncoder, fetch, parse, parse_gzip
  from biopandas.constants import protein_letters_3to1_extended
  from ..pdb.engines import amino3to1dict, pdb_df_columns, pdb_records
label_desc: Use image node_id 2 for calling a global function with example usage: parse_mmtf(file_path) and returns: mmtf_to_df