Sync With PyPI: Command Line Update & API Update
pdb_id = '3hl2'
PDB(pdb_id).fetch_from_rcsb_data_api(
'graphql',
query='{entry(entry_id:"%s"){rcsb_entry_container_identifiers{assembly_ids}}}' % pdb_id,
then_func=a_load_json,
json=True).result()