The following genes with an identifier have been found but that do not have a mapping to Ensembl: 14
http://classic.wikipathways.org/instance/WP117_r117743 OR7E35P with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP117_r117743 OR51A1P with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP117_r117743 HSA12 with datasource UniProtKB
http://classic.wikipathways.org/instance/WP117_r117743 Q9H2C7 with datasource UniProtKB
http://classic.wikipathways.org/instance/WP117_r117743 OR1E3P with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP117_r117743 OR7E19P with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP117_r117743 O60411 with datasource UniProtKB
http://classic.wikipathways.org/instance/WP117_r117743 CCR2 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP117_r117743 OR7E18P with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP117_r117743 HSA10 with datasource UniProtKB
http://classic.wikipathways.org/instance/WP117_r117743 OR5D3 with datasource UniProtKB
http://classic.wikipathways.org/instance/WP117_r117743 OR1J5 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP117_r117743 P47889 with datasource UniProtKB
http://classic.wikipathways.org/instance/WP117_r117743 Q9BYT4 with datasource UniProtKB
More details at https://www.wikipathways.org/WikiPathwaysCurator/GeneTests/genesWithoutEnsemblMapping