REACTOME_PYRIMIDINE_CATABOLISM https://www.gsea-msigdb.org/gsea/msigdb/human/geneset/REACTOME_PYRIMIDINE_CATABOLISM AGXT2 DPYD DPYS NT5C NT5C1A NT5C3A NT5E NT5M TYMP UPB1 UPP1 UPP2