The following genes with an identifier have been found but that do not have a mapping to Ensembl: 2
http://classic.wikipathways.org/instance/WP4484_r134775 TCR with datasource NCBI Protein
http://classic.wikipathways.org/instance/WP4484_r134775 MHCII with datasource Reactome
More details at https://www.wikipathways.org/WikiPathwaysCurator/GeneTests/genesWithoutEnsemblMapping
Interactions found that involve Labels: 6
More details at https://www.wikipathways.org/WikiPathwaysCurator/InteractionTests/interactionsWithLabels