The following DataNodes have no identifier: 2
http://classic.wikipathways.org/instance/WP4346_r125078 http://rdf.wikipathways.org/Pathway/WP4346_r125078/DataNode/b8d73 (Bloch Pathway)
http://classic.wikipathways.org/instance/WP4346_r125078 http://rdf.wikipathways.org/Pathway/WP4346_r125078/DataNode/e6c4d (Kandutsch-
Russell
Pathway)
More details at https://www.wikipathways.org/WikiPathwaysCurator/DataNodesTests/dataNodesWithoutIdentifier