The following genes with an identifier have been found but that do not have a mapping to Ensembl: 8
http://classic.wikipathways.org/instance/WP145_r117047 Lrp1 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP145_r117047 Apoa4 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP145_r117047 Lipc with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP145_r117047 Apoc3 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP145_r117047 Apoc2 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP145_r117047 Ldlr with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP145_r117047 Dgat1 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP145_r117047 Apoa1 with datasource Entrez Gene
More details at https://www.wikipathways.org/WikiPathwaysCurator/GeneTests/genesWithoutEnsemblMapping