loop_ _pdbx_linked_entity_link_list.linked_entity_id _pdbx_linked_entity_link_list.link_id _pdbx_linked_entity_link_list.link_class _pdbx_linked_entity_link_list.entity_id_1 _pdbx_linked_entity_link_list.entity_seq_num_1 _pdbx_linked_entity_link_list.comp_id_1 _pdbx_linked_entity_link_list.atom_id_1 _pdbx_linked_entity_link_list.entity_id_2 _pdbx_linked_entity_link_list.entity_seq_num_2 _pdbx_linked_entity_link_list.comp_id_2 _pdbx_linked_entity_link_list.atom_id_2 _pdbx_linked_entity_link_list.value_order _pdbx_linked_entity_link_list.component_1 _pdbx_linked_entity_link_list.component_2 L1 1 PN 1 1 DSN N 2 . QUI C 'single' 1 2 L1 2 PN 1 5 DSN N 3 . QUI C 'single' 1 3