The following genes with an identifier have been found but that do not have a mapping to Ensembl: 6
http://classic.wikipathways.org/instance/WP173_r137018 Ugt1a6 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP173_r137018 Gclc with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP173_r137018 Maoa with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP173_r137018 Txnrd1 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP173_r137018 Txn2 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP173_r137018 Sp1 with datasource Entrez Gene
More details at https://www.wikipathways.org/WikiPathwaysCurator/GeneTests/genesWithoutEnsemblMapping