The following DataNodes have no identifier: 2
http://classic.wikipathways.org/instance/WP5179_r121899 http://rdf.wikipathways.org/Pathway/WP5179_r121899/DataNode/abd39 (CoA (26:1))
http://classic.wikipathways.org/instance/WP5179_r121899 http://rdf.wikipathways.org/Pathway/WP5179_r121899/DataNode/c8a0a (desaturases
)
More details at https://www.wikipathways.org/WikiPathwaysCurator/DataNodesTests/dataNodesWithoutIdentifier