The following genes with an identifier have been found but that do not have a mapping to Ensembl: 11
http://classic.wikipathways.org/instance/WP4846_r140186 ORF3a with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP4846_r140186 membrane glycoprotein with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP4846_r140186 surface glycoprotein with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP4846_r140186 ORF7b with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP4846_r140186 orf1 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP4846_r140186 ORF7a with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP4846_r140186 ORF10 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP4846_r140186 ORF6 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP4846_r140186 ORF8 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP4846_r140186 nucleocapsid phosphoprotein with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP4846_r140186 envelope protein with datasource Entrez Gene
More details at https://www.wikipathways.org/WikiPathwaysCurator/GeneTests/genesWithoutEnsemblMapping