file:bcif.gz

add(to_item, item[, atom_indices, ...])
append_structures(item[, structure_id, ...])
copy(item[, output_filename, skip_digestion])
download([pdb_id, output_filename, ...])	Download <pdb_id>.bcif.gz from the specified wwPDB partner, handling rate limiting (HTTP 429) and transient network errors with retries and exponential backoff + jitter.
extract(item[, atom_indices, ...])
get
has_attribute(molecular_system, attribute[, ...])
is_form(item)
StructuresIterator(molecular_system[, ...])
TopologyIterator(molecular_system[, ...])
merge(items[, atom_indices, skip_digestion])
set
to_mmcif_PdbxContainers_DataContainer(item)
to_molsysmt_MolSys(item[, atom_indices, ...])