XmlmmCIF equivalent: entry_link Data items in the ENTRY_LINK category record the relationships between the current data block identified by _entry.id and other data blocks within the current file which may be referenced in the current data block. XmlmmCIF equivalent: entry_link/details The description of the relationship between the data blocks identified _entry_link.id and _entry_link.entry_id. XmlmmCIF equivalent: entry_link/id The value of _entry_link.id identifies a data block related to the data block identified by _entry_link.id. XmlmmCIF equivalent: entry_link/entry_id This data item is a pointer to _entry.id in the ENTRY category.