The following genes with an identifier have been found but that do not have a mapping to Ensembl: 4
http://classic.wikipathways.org/instance/WP128_r140694 STR3 with datasource SGD
http://classic.wikipathways.org/instance/WP128_r140694 CYS3 with datasource SGD
http://classic.wikipathways.org/instance/WP128_r140694 STR2 with datasource SGD
http://classic.wikipathways.org/instance/WP128_r140694 CYS4 with datasource SGD
More details at https://www.wikipathways.org/WikiPathwaysCurator/GeneTests/genesWithoutEnsemblMapping