++++++++rcsb_associated_holdings+{
++++++++++++rcsb_repository_holdings_current_entry_container_identifiers+{
++++++++++++++++assembly_ids
++++++++++++rcsb_repository_holdings_current+{
++++++++++++++++repository_content_types
++++++++rcsb_entry_container_identifiers+{
++++++++pdbx_database_status+{
++++++++++++pdb_format_compatible
++++++++nonpolymer_entities+{
++++++++++++rcsb_nonpolymer_entity_container_identifiers+{
++++++++++++++++nonpolymer_comp_id
++++++++++++nonpolymer_comp+{
++++++++++++++chem_comp+{
++++++++++++rcsb_nonpolymer_entity_annotation+{
++++++++++++nonpolymer_entity_instances+{
++++++++++++++++rcsb_nonpolymer_entity_instance_container_identifiers+{
++++++++++++++++++++auth_seq_id