{"code":"C29603","name":"Tryptophan","terminology":"ncit","version":"26.09d","conceptStatus":"DEFAULT","leaf":true,"active":true,"synonyms":[{"name":"(S)-2-Amino-3-(1H-indol-3-yl)-propanoic acid","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"CRCH"},{"name":"Trp","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"CRCH"},{"name":"Tryptophan","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"CRCH"},{"name":"Tryptophan","termType":"DN","type":"FULL_SYN","typeCode":"P90","source":"CTRP"},{"name":"TRYPTOPHAN","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"FDA","code":"8DUH1N11BX","subSource":"UNII"},{"name":"Tryptophan","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"Tryptophan","type":"Display_Name","typeCode":"P107"},{"name":"Tryptophan","type":"Preferred_Name","typeCode":"P108"}],"definitions":[{"definition":"Amino acid with side chain -CH2C8H6N.","code":"P325","type":"ALT_DEFINITION","source":"CRCH"},{"definition":"The least plentiful of all 22 amino acids and an essential amino acid in humans (provided by food), Tryptophan is found in most proteins and a precursor of serotonin. Tryptophan is converted to 5-hydroxy-tryptophan (5-HTP), converted in turn to serotonin, a neurotransmitter essential in regulating appetite, sleep, mood, and pain. Tryptophan is a natural sedative and present in dairy products, meats, brown rice, fish, and soybeans. (NCI04)","code":"P97","type":"DEFINITION","source":"NCI"}],"properties":[{"code":"P210","type":"CAS_Registry","value":"73-22-3"},{"code":"P368","type":"CHEBI_ID","value":"CHEBI:16828"},{"code":"P350","type":"Chemical_Formula","value":"C11H12N2O2"},{"code":"P322","type":"Contributing_Source","value":"CRCH"},{"code":"P322","type":"Contributing_Source","value":"CTRP"},{"code":"P322","type":"Contributing_Source","value":"FDA"},{"code":"P356","type":"Essential_Amino_Acid","value":"Y"},{"code":"P319","type":"FDA_UNII_Code","value":"8DUH1N11BX"},{"code":"P353","type":"INFOODS","value":"TRP_G"},{"code":"P366","type":"Legacy Concept Name","value":"Tryptophan"},{"code":"P360","type":"Macronutrient","value":"Y"},{"code":"P358","type":"Nutrient","value":"Y"},{"code":"P106","type":"Semantic_Type","value":"Amino Acid, Peptide, or Protein"},{"code":"P207","type":"UMLS_CUI","value":"C0041249"},{"code":"P355","type":"Unit","value":"g"},{"code":"P354","type":"USDA_ID","value":"501"}]}