Data items in the PDBX_LINKED_ENTITY_INSTANCE_LIST category identify instance molecules represented as linked entities within an entry.
loop_ _pdbx_linked_entity_instance_list.instance_id _pdbx_linked_entity_instance_list.linked_entity_id _pdbx_linked_entity_instance_list.asym_id 1 L1 X 1 L1 Y 1 L1 Z