The following genes with an identifier have been found but that do not have a mapping to Ensembl: 18
http://classic.wikipathways.org/instance/WP73_r139705 GNG4 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP73_r139705 CALM1 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP73_r139705 Pde4a with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP73_r139705 Akap5 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP73_r139705 Gnai2 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP73_r139705 Gng10 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP73_r139705 Adcy6 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP73_r139705 Kras with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP73_r139705 Pde1b with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP73_r139705 Gna15 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP73_r139705 Gng7 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP73_r139705 Prkd1 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP73_r139705 Gngt2 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP73_r139705 Gna11 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP73_r139705 Prkch with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP73_r139705 Akap6 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP73_r139705 Prkar2a with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP73_r139705 Gnb5 with datasource Entrez Gene
More details at https://www.wikipathways.org/WikiPathwaysCurator/GeneTests/genesWithoutEnsemblMapping