The following genes with an identifier have been found but that do not have a mapping to Ensembl: 6
http://classic.wikipathways.org/instance/WP779_r125337 PPP2R1B with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP779_r125337 SOX2 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP779_r125337 RACGAP1 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP779_r125337 TP53 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP779_r125337 LDLR with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP779_r125337 FZD5 with datasource Entrez Gene
More details at https://www.wikipathways.org/WikiPathwaysCurator/GeneTests/genesWithoutEnsemblMapping