{"allosteric":["BRENDA","STITCH"],"enzyme_metabolite":["GEM:Human-GEM"],"grn":["OmniPath:collectri"],"ppi":["OmniPath:omnipath,ligrecextra"],"receptors":["MRCLinksDB","STITCH"],"transporters":["GEM_transporter:Human-GEM","MRCLinksDB","Recon3D","SLC","TCDB"]}