The following genes with an identifier have been found but that do not have a mapping to Ensembl: 13
http://classic.wikipathways.org/instance/WP74_r109429 Itga5 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP74_r109429 Rac2 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP74_r109429 Mapk6 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP74_r109429 Capn11 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP74_r109429 Itgb7 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP74_r109429 Itga7 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP74_r109429 Map2k2 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP74_r109429 CAPN10 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP74_r109429 Mapk12 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP74_r109429 Map2k5 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP74_r109429 Rap1b with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP74_r109429 Araf with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP74_r109429 Rock2 with datasource Entrez Gene
More details at https://www.wikipathways.org/WikiPathwaysCurator/GeneTests/genesWithoutEnsemblMapping