The following genes with an identifier have been found but that do not have a mapping to Ensembl: 11
http://classic.wikipathways.org/instance/WP44_r116985 Ywhaz with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP44_r116985 Ccnd3 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP44_r116985 Vav1 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP44_r116985 Stat1 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP44_r116985 Icam1 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP44_r116985 Kras with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP44_r116985 Map2k2 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP44_r116985 Csf2rb with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP44_r116985 Dnm2 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP44_r116985 IL2RB with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP44_r116985 Cbl with datasource Entrez Gene
More details at https://www.wikipathways.org/WikiPathwaysCurator/GeneTests/genesWithoutEnsemblMapping