KEGG_TRYPTOPHAN_METABOLISM # https://www.gsea-msigdb.org/gsea/msigdb/human/geneset/KEGG_TRYPTOPHAN_METABOLISM AADAT AANAT ACAT1 ACAT2 ACMSD AFMID ALDH1B1 ALDH2 ALDH3A2 ALDH7A1 ALDH9A1 AOC1 AOX1 ASMT CAT CYP1A1 CYP1A2 CYP1B1 DDC ECHS1 EHHADH GCDH HAAO HADH HADHA IDO1 IDO2 IL4I1 INMT KMO KYNU MAOA MAOB OGDH OGDHL TDO2 TPH1 TPH2 WARS1 WARS2