The following genes with an identifier have been found but that do not have a mapping to Ensembl: 4
http://classic.wikipathways.org/instance/WP2563_r87715 KDH with datasource UniProtKB
http://classic.wikipathways.org/instance/WP2563_r87715 GDH with datasource UniProtKB
http://classic.wikipathways.org/instance/WP2563_r87715 GarA with datasource UniProtKB
http://classic.wikipathways.org/instance/WP2563_r87715 gltB with datasource UniProtKB
More details at https://www.wikipathways.org/WikiPathwaysCurator/GeneTests/genesWithoutEnsemblMapping