Kynurenine (Compound)

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ID	2127
Name	Kynurenine
Synonyms	L-Kynurenine; (S)-Kynurenine
Structure	MOL SDF PDB SMILES InChI Structure for EE002127 (Kynurenine) 3D Structure for EE002127 (Kynurenine) Mrv1652305271900182D 15 15 0 0 1 0 999 V2000 -0.7145 1.2375 0.0000 N 0 0 0 0 0 0 0 0 0 0 0 0 -0.7145 0.4125 0.0000 C 0 0 1 0 0 0 0 0 0 0 0 0 -1.4289 0.0000 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 -2.1434 0.4125 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 -2.1434 1.2375 0.0000 O 0 0 0 0 0 0 0 0 0 0 0 0 -2.8579 0.0000 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 -2.8579 -0.8250 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 -3.5724 -1.2375 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 -4.2868 -0.8250 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 -4.2868 0.0000 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 -3.5724 0.4125 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 -3.5724 1.2375 0.0000 N 0 0 0 0 0 0 0 0 0 0 0 0 0.0000 0.0000 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 0.7145 0.4125 0.0000 O 0 0 0 0 0 0 0 0 0 0 0 0 0.0000 -0.8250 0.0000 O 0 0 0 0 0 0 0 0 0 0 0 0 2 1 1 6 0 0 0 2 3 1 0 0 0 0 3 4 1 0 0 0 0 4 5 2 0 0 0 0 4 6 1 0 0 0 0 6 7 2 0 0 0 0 7 8 1 0 0 0 0 8 9 2 0 0 0 0 9 10 1 0 0 0 0 10 11 2 0 0 0 0 6 11 1 0 0 0 0 11 12 1 0 0 0 0 2 13 1 0 0 0 0 13 14 1 0 0 0 0 13 15 2 0 0 0 0 M END > <DATABASE_ID> EE002127 > <DATABASE_NAME> ExposomeExplorer > <SMILES> N[C@@H](CC(=O)C1=CC=CC=C1N)C(O)=O > <INCHI_IDENTIFIER> InChI=1S/C10H12N2O3/c11-7-4-2-1-3-6(7)9(13)5-8(12)10(14)15/h1-4,8H,5,11-12H2,(H,14,15)/t8-/m0/s1 > <INCHI_KEY> YGPSJZOEDVAXAB-QMMMGPOBSA-N > <FORMULA> C10H12N2O3 > <MOLECULAR_WEIGHT> 208.2139 > <EXACT_MASS> 208.08479226 > <JCHEM_ACCEPTOR_COUNT> 5 > <JCHEM_ATOM_COUNT> 27 > <JCHEM_AVERAGE_POLARIZABILITY> 20.588301379965444 > <JCHEM_BIOAVAILABILITY> 1 > <JCHEM_DONOR_COUNT> 3 > <JCHEM_FORMAL_CHARGE> 0 > <JCHEM_GHOSE_FILTER> 0 > <JCHEM_IUPAC> (2S)-2-amino-4-(2-aminophenyl)-4-oxobutanoic acid > <ALOGPS_LOGP> -1.93 > <JCHEM_LOGP> -1.9081918809836254 > <ALOGPS_LOGS> -2.10 > <JCHEM_MDDR_LIKE_RULE> 0 > <JCHEM_NUMBER_OF_RINGS> 1 > <JCHEM_PHYSIOLOGICAL_CHARGE> 0 > <JCHEM_PKA> 16.06926978291992 > <JCHEM_PKA_STRONGEST_ACIDIC> 1.193089749657625 > <JCHEM_PKA_STRONGEST_BASIC> 8.96449885088756 > <JCHEM_POLAR_SURFACE_AREA> 106.41 > <JCHEM_REFRACTIVITY> 55.05020000000002 > <JCHEM_ROTATABLE_BOND_COUNT> 4 > <JCHEM_RULE_OF_FIVE> 1 > <ALOGPS_SOLUBILITY> 1.67e+00 g/l > <JCHEM_TRADITIONAL_IUPAC> L-kynurenine > <JCHEM_VEBER_RULE> 0 $$$$
Description	Metabolite of tryptophan, mostly produced by host, can be regulated by bacteria (Fig 2, pmid:29902437).
Classification	Compounds > Chemical entities > Organic compounds > Organic oxygen compounds > Organooxygen compounds > Carbonyl compounds > Ketones > Aryl ketones > Phenylketones > Alkyl-phenylketones
CAS number	2922-83-0
PubChem ID	161166
ChEBI ID	16946
FooDB ID	FDB022181
HMDB ID	HMDB0000684

Chemical data

MolDBi data

IUPAC Name	(2S)-2-amino-4-(2-aminophenyl)-4-oxobutanoic acid
Traditional IUPAC Name	L-kynurenine
Formula	C10H12N2O3
InChI	InChI=1S/C10H12N2O3/c11-7-4-2-1-3-6(7)9(13)5-8(12)10(14)15/h1-4,8H,5,11-12H2,(H,14,15)/t8-/m0/s1
InChI Key	YGPSJZOEDVAXAB-QMMMGPOBSA-N
Molecular weight	208.2139
Exact mass	208.08479226
SMILES	N[C@@H](CC(=O)C1=CC=CC=C1N)C(O)=O

ClassyFire Taxonomy

Description	belongs to the class of organic compounds known as alkyl-phenylketones. These are aromatic compounds containing a ketone substituted by one alkyl group, and a phenyl group.
Kingdom	Organic compounds
Super Class	Organic oxygen compounds
Class	Organooxygen compounds
Sub Class	Carbonyl compounds
Direct Parent	Alkyl-phenylketones
Alternative Parents	Butyrophenones L-alpha-amino acids Gamma-keto acids and derivatives Benzoyl derivatives Aryl alkyl ketones Aniline and substituted anilines Beta-amino ketones Vinylogous amides Amino acids Monocarboxylic acids and derivatives Carboxylic acids Organopnictogen compounds Organic oxides Monoalkylamines Hydrocarbon derivatives

Publications with Kynurenine

ID	Title	First author	Authors	Year	Journal	Volume	Issue	Pages	PubMed ID	DOI	Study design	No. of Biomarkers	No. of Intake values	No. of Concentration values	No. of Reproducibility values	No. of Correlation values	No. of Metabolomic associations	No. of Microbiota associations	No. of Cancer associations

Biomarker data

Measurements of Kynurenine in biospecimens

Concentration values

ID	Parent ID	Depth	Subject group	Population	Country	Cohort	Biomarker Time definition	Biospecimen	Analytical method	Biomarker	Biomarker detail	Measurement size	Detected (nb)	Detected (%)	Detected only?	Arithmethic mean	Arithmethic SD	Geometric mean	Geometric SD	Min	Min (detected)	Percentile_05	Percentile_10	Percentile_25	Median	Percentile_75	Percentile_90	Percentile_95	Max	Interquartile range	Mean 95% CI lower	Mean 95% CI upper	GMean 95% CI lower	GMean 95% CI upper	Unit	Converted arithmetic mean	Converted geometric mean	Converted median	Converted unit	Adjustment type	Adjusted on	Regressed on	Expressed as	Publication

Reproducibility values

ID	Excretion ID	Subject group	Population	Country	Cohort	Biomarker Time definition	Biospecimen	Analytical method	Biomarker	Biomarker detail	Arithmetic mean	Geometric mean	Median	Unit	Adjusted on	Reproducibility size	ICC	ICC 95% CI lower	ICC 95% CI upper	CV% WS	CV% BS	VAR WS	VAR BS	Publication

Associations of Kynurenine with exposures

Correlation values

ID	Intake ID	Excretion ID	Subject group	Population	Country	Cohort	Intake Time definition	Intake Assessment method	Intake	Intake detail	Supplement intakes included?	Intake Arithmetic mean	Intake Geometric mean	Intake Median	Intake Unit	Intake Adjusted on	Biomarker Time definition	Biospecimen	Analytical method	Biomarker	Biomarker detail	Biomarker Arithmetic mean	Biomarker Geometric mean	Biomarker Median	Biomarker Unit	Biomarker Adjusted on	Correlation size	Correlation type	Correlation value	Correlation 95% CI lower	Correlation 95% CI upper	Correlation p-value	Significant?	Measurement adjustment	Deattenuated?	Covariates	Publication

Metabolomic associations

ID	Intake ID	Excretion ID	Subject group	Population	Country	Cohort	No. of subjects	Intake Assessment method	Intake	Intervention dose	Biospecimen	Analytical method	Biomarker	Structural identification	Feature selection	Area under curve	Sensitivity	Specificity	PLS-DA VIP	Beta coefficient	Beta coefficient p-value	ANOVA p-value	Publication

Microbiota associations

ID	Biomarker	Experimental evidence	Organism	Biospecimen	Antibiotic	Bacterial source	Substrate	Publication

Associations of Kynurenine with cancer risk

Cancer associations

ID	Excretion ID	Subject group	Population	Country	Cohort	No. of subjects	No. of cases	No. of controls	Biospecimen	Analytical method	Biomarker	Biomarker detail	Cancer	Study design	Publication

Exposure data

Measurements of Kynurenine exposures in populations

Intake values

ID	Parent ID	Depth	Subject group	Population	Country	Cohort	Intake Time definition	Intake assessment tool	Intake food coverage	Intake time coverage	Intake Assessment method	Intake	Intake detail	Food description	Supplement intakes included?	Measurement size	Detected (nb)	Detected (%)	Detected only?	Arithmethic mean	Arithmethic SD	Geometric mean	Geometric SD	Min	Min (detected)	Percentile_05	Percentile_10	Percentile_25	Median	Percentile_75	Percentile_90	Percentile_95	Max	Interquartile range	Mean 95% CI lower	Mean 95% CI upper	GMean 95% CI lower	GMean 95% CI upper	Unit	Converted arithmetic mean	Converted geometric mean	Converted median	Converted unit	Adjustment type	Adjusted on	Regressed on	Expressed as	Publication

Associations of Kynurenine exposures with biomarkers

Correlation values

ID	Intake ID	Excretion ID	Subject group	Population	Country	Cohort	Intake Time definition	Intake Assessment method	Intake	Intake detail	Supplement intakes included?	Intake Arithmetic mean	Intake Geometric mean	Intake Median	Intake Unit	Intake Adjusted on	Biomarker Time definition	Biospecimen	Analytical method	Biomarker	Biomarker detail	Biomarker Arithmetic mean	Biomarker Geometric mean	Biomarker Median	Biomarker Unit	Biomarker Adjusted on	Correlation size	Correlation type	Correlation value	Correlation 95% CI lower	Correlation 95% CI upper	Correlation p-value	Significant?	Measurement adjustment	Deattenuated?	Covariates	Publication