def __init__(self, code):
    "Initialize a PDBFile object with a pdb file of interest\n\n        Parameters\n        ----------\n        code : the pdb code if interest\n            Any valid PDB code can be passed into PDBFile.\n\n        Examples\n        --------\n        >>> pdb_file = PDBFile('1rcy')  \n        \n        "
    self.code = code.lower()
Initialize a PDBFile object with a pdb file of interest

Parameters
----------
code : the pdb code if interest
    Any valid PDB code can be passed into PDBFile.

Examples
--------
>>> pdb_file = PDBFile('1rcy')
def __init__(self, code):
    "Initialize a PDBFile object with a pdb file of interest\n\n        Parameters\n        ----------\n        code : the pdb code if interest\n            Any valid PDB code can be passed into PDBFile.\n\n        Examples\n        --------\n        >>> pdb_file = PDBFile('1rcy')  \n        \n        "
    self.code = code.lower()