The following genes with an identifier have been found but that do not have a mapping to Ensembl: 5
http://classic.wikipathways.org/instance/WP208_r137591 Su(H) with datasource UniProtKB
http://classic.wikipathways.org/instance/WP208_r137591 presenilin with datasource FlyBase
http://classic.wikipathways.org/instance/WP208_r137591 Delta with datasource UniProtKB
http://classic.wikipathways.org/instance/WP208_r137591 Notch with datasource UniProtKB
http://classic.wikipathways.org/instance/WP208_r137591 E(spl)-C with datasource UniProtKB
More details at https://www.wikipathways.org/WikiPathwaysCurator/GeneTests/genesWithoutEnsemblMapping