WP_TRYPTOPHAN_METABOLISM # https://www.gsea-msigdb.org/gsea/msigdb/human/geneset/WP_TRYPTOPHAN_METABOLISM AADAT AANAT ACAT1 ACMSD AFMID AHR ALDH2 ALDH8A1 AOC1 AOX1 ASMT CAT CYP1A1 DDC DLD ECHS1 GCDH GOT2 HAAO HADH IDO1 IDO2 IL4I1 INMT KMO KYAT1 KYAT3 KYNU MAOA STAT1 TDO2 TPH1 TPH2