The following genes with an identifier have been found but that do not have a mapping to Ensembl: 8
http://classic.wikipathways.org/instance/WP752_r117193 SP1 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP752_r117193 ATF1 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP752_r117193 CRK with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP752_r117193 EPPK1 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP752_r117193 RCJMB04_25c5 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP752_r117193 GIT1 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP752_r117193 SOS1 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP752_r117193 KRT8 with datasource Entrez Gene
More details at https://www.wikipathways.org/WikiPathwaysCurator/GeneTests/genesWithoutEnsemblMapping