def run_prepare_receptor_spark(receptor):


        receptor_pdbqt = os.path.join(pdbqt_receptor_path.value,
                                      get_name_model_pdb(receptor))

        command = ''.join([pythonsh.value,
                           ' ',
                           script_receptor4.value,
                           ' -r ',
                           receptor,
                           ' -o ',
                           receptor_pdbqt,
                           '.pdbqt',
                           ' -v '])