National Cancer Institute Thesaurus

Last uploaded: February 23, 2024
Preferred Name

Tryptophan

Synonyms

(S)-2-Amino-3-(1H-indol-3-yl)-propanoic acid

TRYPTOPHAN

Trp

Tryptophan

Definitions

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)

ID

http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C29603

ALT_DEFINITION

Amino acid with side chain -CH2C8H6N.

CAS_Registry

73-22-3

CHEBI_ID

CHEBI:16828

Chemical_Formula

C11H12N2O2

code

C29603

Concept_In_Subset

http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C142799

http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C116977

http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C63923

Contributing_Source

CRCH

CTRP

FDA

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)

Display_Name

Tryptophan

Essential_Amino_Acid

Y

FDA_UNII_Code

8DUH1N11BX

FULL_SYN

(S)-2-Amino-3-(1H-indol-3-yl)-propanoic acid

TRYPTOPHAN

Trp

Tryptophan

INFOODS

TRP_G

label

Tryptophan

Legacy Concept Name

Tryptophan

Macronutrient

Y

Nutrient

Y

Preferred_Name

Tryptophan

prefixIRI

Thesaurus:C29603

Semantic_Type

Amino Acid, Peptide, or Protein

UMLS_CUI

C0041249

Unit

g

USDA_ID

501

subClassOf

http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C68442

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http://purl.obolibrary.org/obo/CHEBI_27897 GO-PLUS LOOM
http://purl.obolibrary.org/obo/CHEBI_27897 CHEBI LOOM
http://purl.obolibrary.org/obo/SO_0001440 SO LOOM
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http://purl.obolibrary.org/obo/CHEBI_27897 EFO LOOM
http://purl.obolibrary.org/obo/CHEBI_27897 CHEBI LOOM
http://purl.obolibrary.org/obo/CHEBI_27897 OBA LOOM
http://purl.obolibrary.org/obo/CHEBI_27897 CDNO LOOM
http://purl.obolibrary.org/obo/CHEBI_27897 FYPO LOOM
http://purl.obolibrary.org/obo/CHEBI_27897 ZP LOOM
http://scai.fraunhofer.de/MSOntology#Tryptophan MSO LOOM
http://purl.bioontology.org/ontology/MESH/D014364 MESH LOOM
http://purl.org/obo/owlapi/fma#FMA_82767 BIOMODELS LOOM
http://stirdf.jst.go.jp/id/200907088882463421 IOBC LOOM
http://purl.bioontology.org/ontology/RCD/XM0lC RCD LOOM
http://purl.jp/bio/4/id/200906010284117460 IOBC LOOM
http://phenomebrowser.net/ontologies/mesh/mesh.owl#D12.125.142.875 RH-MESH LOOM
http://www.semanticweb.org/ADMO#Trp ADMO LOOM
http://purl.obolibrary.org/obo/MESH_D014364 BERO LOOM
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http://phenomebrowser.net/ontologies/mesh/mesh.owl#D014364 RH-MESH LOOM
http://purl.obolibrary.org/obo/SO_0001440 NIFSTD LOOM
http://www.phoc.org.cn/pmo/class/PMO_00021276 PMAPP-PMO LOOM
http://purl.bioontology.org/ontology/CSP/0777-8222 CRISP LOOM
http://purl.obolibrary.org/obo/UPa_UPC00806 UPA LOOM
http://www.co-ode.org/ontologies/amino-acid/2006/05/18/amino-acid.owl#W AMINO-ACID LOOM
http://www.co-ode.org/ontologies/galen#Tryptophan GALEN LOOM
http://www.projecthalo.com/aura#Tryptophan AURA LOOM
http://purl.obolibrary.org/obo/NCIT_C29603 BERO LOOM
http://phenomebrowser.net/ontologies/mesh/mesh.owl#D12.125.072.050.850 RH-MESH LOOM
https://go.drugbank.com/drugs/DB00150 MDM LOOM
http://purl.obolibrary.org/obo/OMIT_0015201 OMIT LOOM
http://purl.bioontology.org/ontology/RXNORM/10898 RXNORM LOOM
http://localhost/plosthes.2017-1#522 PLOSTHES LOOM
http://purl.jp/bio/10/gmo/GMO_001215 GMO LOOM
http://purl.bioontology.org/ontology/NDDF/001438 NDDF LOOM
http://purl.bioontology.org/ontology/VANDF/4018677 VANDF LOOM
http://purl.bioontology.org/ontology/LNC/MTHU004124 LOINC LOOM
http://purl.bioontology.org/ontology/SNMI/F-64480 SNMI LOOM
http://purl.obolibrary.org/obo/CHEBI_27897 PDRO LOOM
http://purl.obolibrary.org/obo/CHEBI_27897 BIPON LOOM
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http://purl.obolibrary.org/obo/CHEBI_27897 BIOMODELS LOOM
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http://purl.bioontology.org/ontology/SNOMEDCT/54821000 SNOMEDCT LOOM
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