MW Gene Metabolite Associations Dataset

Description biomolecular interactions between metabolites and proteinscurated from experimental studies
Measurement association by data aggregation
Association protein-metabolite associations from low-throughput or high-throughput metabolomics studies
Category physical interactions
Resource Metabolomics Workbench
Citation(s)
Last Updated 2023 Oct 24
Stats
  1. 1050 genes
  2. 734 metabolites
  3. 4921 gene-metabolite associations

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metabolite Gene Sets

734 sets of interacting proteins for metabolites from the MW Gene Metabolite Associations dataset.

Gene Set Description
(2-trans,6-trans)-Farnesal A farnesal that has formula C15H24O.
(24S)-Cholest-5-ene-3beta,7alpha,24-triol
(3S)-3-Hydroxy-N6,N6,N6-trimethyl-L-lysine
(4Z,7Z,10Z,13Z,16Z,19Z)-Docosahexaenoyl-CoA
(5-L-Glutamyl)-L-amino acid
(R)-3-Hydroxybutanoate
(S)-1-Piperideine-6-carboxylic acid
(S)-2,3-Epoxysqualene A squalene triterpenoid formed by epoxidation across the 2,3 C=C bond
(S)-2-Aminobutanoate
(S)-3-Hydroxy-3-methylglutaryl-CoA
(S)-3-Methyl-2-oxopentanoic acid
(S)-Methylmalonate semialdehyde
1,2-Diacyl-sn-glycerol
1,2-Dihydroxy-3-keto-5-methylthiopentene
1,3-Diaminopropane
1,7-Dimethyluric acid An oxopurine that is 7,9-dihydro-1H-purine-2,6,8(3H)-trione substituted by methyl groups at N-1 and N-7. It is a metabolite of caffeine and is often found in human urine samples.
1-(1-Alkenyl)-sn-glycero-3-phosphoethanolamine
1-(5'-Phosphoribosyl)-5-amino-4-(N-succinocarboxamide)-imidazole
1-Acyl-sn-glycero-3-phosphocholine
1-Acyl-sn-glycero-3-phosphoethanolamine
1-Acyl-sn-glycero-3-phosphoglycerol
1-Acyl-sn-glycero-3-phosphoserine
1-Acyl-sn-glycerol 3-phosphate
1-Acylglycerol
1-Acylglycerophosphoinositol
1-Alkyl-2-acylglycerol
1-Alkyl-2-acylglycerophosphoethanolamine
1-Methyl nicotinamide
1-Methylhistamine
1-Methylpyrrolinium An organic cation that is 1-pyrroline bearing an N-methyl substituent.
1-Methyluric acid An oxopurine that is 7,9-dihydro-1H-purine-2,6,8(3H)-trione substituted by a methyl group at N-1. It is one of the metabolites of caffeine found in human urine.
1-Methylxanthine A monomethylxanthine having the methyl group located at the 1-position. It is a metabolite of caffeine in humans.
1-Nitronaphthalene A mononitronaphthalene substituted by a nitro group at position 1.
1-Organyl-2-lyso-sn-glycero-3-phosphocholine
1-Phosphatidyl-D-myo-inositol
1-Pyrroline-2-carboxylic acid The product resulting from formal oxidation of DL-proline by loss of hydrogen from the nitrogen and from the carbon alpha to the carboxylic acid, with the formation of a C=N bond.
1-Pyrroline-4-hydroxy-2-carboxylate
1-Pyrroline-5-carboxylic acid A 1-pyrrolinecarboxylic acid that is 1-pyrroline in which one of the hydrogens at position 5 is replaced by a carboxy group.
1-Radyl-2-acyl-sn-glycero-3-phosphocholine
11,12-DiHETrE
11,12-EpETrE
11-cis-Retinol A retinol that has formula C20H30O.
11-Dehydrocorticosterone An 11-oxo steroid that is corticosterone in which the hydroxy substituent at the 11beta position has been oxidised to give the corresponding ketone.
11-Deoxycorticosterone
11-Deoxycortisol
11-epi-Prostaglandin F2alpha
11beta,17alpha,21-Trihydroxy-5beta-pregnane-3,20-dione
11beta,21-Dihydroxy-5beta-pregnane-3,20-dione
11beta-Hydroxyandrost-4-ene-3,17-dione
11beta-Hydroxyprogesterone
12(13)-EpOME
12S-HpETE
13S-HpODE
14,15-DiHETrE
14,15-Ep-11-HETrE
14,15-EpETrE
14-Demethyllanosterol
15S-HETE
15S-HpETE
17alpha,21-Dihydroxypregnenolone
17alpha-Hydroxypregnenolone A hydroxypregnenolone carrying an alpha-hydroxy group at position 17.
17alpha-Hydroxyprogesterone A 17alpha-hydroxy steroid that is the 17alpha-hydroxy derivative of progesterone.
19-Oxoandrost-4-ene-3,17-dione
19S-HETE
1alpha,25-Dihydroxyvitamin D3
1D-myo-Inositol 1,3,4,5-tetrakisphosphate
2'-Deoxyinosine 5'-phosphate
2,3-Diphosphoglyceric acid
2-Acyl-1-alkyl-sn-glycero-3-phosphate
2-Amino-3-carboxymuconic acid semialdehyde
2-Aminoacrylic acid A dehydroamino acid that is the 2,3-didehydro derivative of alanine.
2-Aminobenzoic acid
2-Deoxy-ribose
2-Hydroxy-2-methylpropanenitrile
2-Hydroxy-2-phenylacetonitrile
2-Hydroxybutyric acid A hydroxybutyric acid having a single hydroxyl group located at position 2; urinary secretion of 2-hydroxybutyric acid is increased with alcohol ingestion or vigorous physical exercise and is associated with lactic acidosis and ketoacidosis in humans and diabetes in animals.
2-Hydroxyfelbamate
2-Hydroxyglutaric acid
2-Hydroxyphenylacetic acid
2-Methoxy-17beta-estradiol
2-Methoxy-estradiol-17beta 3-glucuronide
2-Methoxyestrone A 17-oxo steroid that is estrone in which the hydrogen at position 2 is substituted by a methoxy group.
2-Methoxyestrone 3-glucuronide
2-Methylpropanoyl-CoA
2-Oxo-3-hydroxy-4-phosphobutanoic acid
2-Oxo-4-methylthiobutanoic acid
2-Oxoarginine
2-Phospho-D-glycerate
20-HETE A HETE that consists of arachidonic acid bearing a hydroxy substituent at position 20.
20-Hydroxy LTB4
20alpha-Hydroxycholesterol
20S-Hydroxy-5alpha-pregnan-3-one
21-Deoxycortisol A deoxycortisol that has formula C21H30O4.
21-Hydroxy-5beta-pregnane-3,11,20-trione
21-Hydroxypregnenolone A hydroxypregnenolone that has formula C21H32O3.
22R-Hydroxycholesterol
24,25-Dihydrolanosterol A 3beta-sterol formed from lanosterol by reduction across the C-24-C-25 double bond.
24S-Hydroxycholesterol
25-Hydroxycholesterol A 25-hydroxy steroid that has formula C27H46O2.
25-Hydroxyvitamin D3
27-Deoxy-5beta-cyprinol
27-Hydroxycholesterol
3',5' cyclic AMP
3',5' cyclic GMP
3'-Dephospho-CoA
3,4-Dihydroxybenzeneacetic acid
3,4-Dihydroxymandelaldehyde An aldehyde consisting of phenylacetaldehyde having three hydroxy substituents located at the alpha-, 3- and 4-positions
3,4-Dihydroxymandelic acid A catechol that is the 3,4-dihydroxy derivative of mandelic acid; a metabolite of L-dopa.
3,4-Dihydroxyphenylacetaldehyde A phenylacetaldehyde in which the 3 and 4 positions of the phenyl group are substituted by hydroxy groups.
3,4-Dihydroxyphenylglycol
3,5-Diiodo-L-tyrosine A diiodotyrosine that is L-tyrosine carrying iodo-substituents at positions C-3 and C-5 of the benzyl group. It is an intermediate in the thyroid hormone synthesis.
3,7-Dimethyluric acid An oxopurine that is 7,9-dihydro-1H-purine-2,6,8(3H)-trione substituted by methyl groups at N-3 and N-7.
3-(Methylthio)propanoate
3-Aminopropionaldehyde
3-Dehydroxycarnitine
3-Hydroxyanthranilic acid An aminobenzoic acid that is benzoic acid substituted at C-2 by an amine group and at C-3 by a hydroxy group. It is an intermediate in the metabolism of the amino acid tryptophan.
3-Hydroxybutanoyl-CoA
3-Hydroxyisovaleryl-CoA A hydroxy fatty acyl-CoA that results from the formal condensation of the thiol group of coenzyme A with the carboxy group of 3-hydroxyisovaleric acid.
3-Hydroxykynurenamine A hydroxykynurenamine that has formula C9H12N2O2.
3-Hydroxyvalproic acid
3-Iodo-L-tyrosine
3-Ketosphinganine
3-Mercaptopyruvic acid A 2-oxo monocarboxylic acid that is pyruvic acid substituted by a sulfanyl group at position 3.
3-Methoxy-4-hydroxyphenylacetaldehyde
3-Methoxy-4-hydroxyphenylethyleneglycol
3-Methoxy-4-hydroxyphenylglycolaldehyde A glycolaldehyde that has formula C9H10O4.
3-Methoxytyramine A methoxybenzene that has formula C9H13NO2.
3-Methyl pyruvic acid
3-Methylbut-2-enoyl-CoA
3-Methylbutanoyl-CoA
3-Methylhistidine A histidine derivative in which the methyl group is located at N-3.
3-Oxohexanoyl-CoA An oxo-fatty acyl-CoA that results from the formal condensation of the thiol group of coenzyme A with the carboxylic acid group of 3-oxohexanoic acid.
3-Oxooctanoyl-CoA An oxo-fatty acyl-CoA that results from the formal condensation of the thiol group of coenzyme A with the carboxylic acid group of 3-oxooctanoic acid.
3-Oxopropanoate
3-Oxotetradecanoyl-CoA A 3-oxo-fatty acyl-CoA that has formula C35H60N7O18P3S.
3-Phospho-D-glyceroyl dihydrogen phosphate
3-Phosphoglyceric acid A monophosphoglyceric acid having the phospho group at the 3-position. It is an intermediate in metabolic pathways like glycolysis and calvin cycle.
3-Sulfino-alanine
3-Sulfopyruvate
32-Hydroxylanosterol
3alpha,11beta,21-Trihydroxy-20-oxo-5beta-pregnan-18-al
3alpha,7alpha,12alpha-trihydroxy-5beta-cholestan-26-al
3alpha,7alpha-Dihydroxy-5beta-cholestan-26-al
3alpha,7alpha-Dihydroxy-5beta-cholestanoic acid
3alpha-Hydroxy-5alpha-pregnan-20-one
3beta,7alpha-Dihydroxy-5-cholestenoic acid
3beta-Hydroxypregn-5-en-20-one sulfate
4,5-Dihydroorotic acid
4,6-Dihydroxyquinoline
4,8-Dihydroxyquinoline
4-(2-Amino-3-hydroxyphenyl)-2,4-dioxobutanoic acid A dioxo monocarboxylic acid that has formula C10H9NO5.
4-(2-Aminophenyl)-2,4-dioxobutanoic acid A 4-oxo monocarboxylic acid that has formula C10H9NO4.
4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanol A pyridine that has formula C10H15N3O2.
4-(N-Nitrosomethylamino)-1-(3-pyridyl)-1-butanone
4-Acetamidobutanoic acid An N-acylamino acid resulting from the monoacetylation of the nitrogen of GABA.
4-Aminobutyraldehyde
4-Coumaryl alcohol
4-Guanidinobutanoic acid The 4-guanidino derivative of butanoic acid.
4-Hydroxybenzoic acid A monohydroxybenzoic acid that is benzoic acid carrying a hydroxy substituent at C-4 of the benzene ring.
4-Hydroxymandelonitrile
4-Hydroxyphenylacetaldehyde
4-Hydroxyphenylpyruvic acid
4-Ketocyclophosphamide
4-Maleylacetoacetate
4-Methylpentanal An alpha-CH2-containing aldehyde that has formula C6H12O.
4-Pyridoxic acid A methylpyridine that is 2-methylpyridine substituted by a hydroxy group at C-3, a carboxy group at C-4, and a hydroxymethyl group at C-5.
4a-Carbinolamine tetrahydrobiopterin
4a-Hydroxytetrahydrobiopterin A tetrahydropterin that is 5,6,7,8-tetrahydrobiopterin carrying an additional hydroxy substituent at the 4a-position.
5'-Methylthioadenosine
5'-Phosphoribosyl-N-formylglycinamide
5'-Phosphoribosylglycinamide
5,10-Methenyltetrahydrofolate
5,6-DiHETrE
5,6-Dihydroxyindole-2-carboxylate
5,6-EpETrE
5,6-Indolequinone-2-carboxylic acid
5-Acetylamino-6-formylamino-3-methyluracil
5-Amino-2-oxopentanoic acid The 2-oxo-5-amino derivative of valeric acid.
5-Amino-levulinic acid
5-Aminoimidazole ribonucleotide
5-Aminoimidazole-4-carboxamide An aminoimidazole in which the amino group is at C-5 with a carboxamido group at C-4.
5-Aminopentanal An aldehyde that has formula C5H11NO.
5-Hydroxy-N-formylkynurenine An alpha-amino acid that is 5-hydroxykynurenine bearing an N-formyl substituent.
5-Hydroxy-tryptophan
5-Hydroxyindoleacetaldehyde
5-Hydroxyindoleacetic acid
5-L-Glutamyl-taurine
5-Methoxyindoleacetic acid
5-Methyltetrahydrofolate A group of heterocyclic compounds based on the 5-methyl-5,6,7,8-tetrahydropteroic acid skeleton conjugated with one or more L-glutamic acid or L-glutamate units.
5-Phosphomevalonic acid
5-Phosphoribosylamine
5alpha-Dihydrodeoxycorticosterone A 21-hydroxy steroid that has formula C21H32O3.
5alpha-Pregnane-3,20-dione
5beta-Dihydrotestosterone A 3-hydroxy steroid that has formula C19H30O2.
5beta-Pregnane-3,20-dione A C21-steroid that is 5beta-pregnane with oxo groups at positions 3 and 20.
5S-HETE
5S-HpETE
6-Hydroxymelatonin A member of the class of tryptamines that is melatonin with a hydroxy group substituent at position 6.
6-Methylthiopurine
6-Phosphogluconic acid
6-Thioinosine-5'-monophosphate
6-Thioxanthine 5'-monophosphate An organic molecule that has formula C10H13N4O8PS.
6R-Tetrahydrofolic acid
7,8-Dihydroneopterin A neopterin where positions C-7 and C-8 have been hydrogenated.
7-Dehydro-desmosterol
7-Dehydrocholesterol
7-Methyluric acid An oxopurine that has formula C6H6N4O3.
7-Methylxanthine An oxopurine that is xanthine in which the hydrogen attached to the nitrogen at position 7 is replaced by a methyl group. It is an intermediate metabolite in the synthesis of caffeine.
7alpha,12alpha-Dihydroxy-5beta-cholestan-3-one
7alpha,27-Dihydroxycholesterol
7alpha-Hydroxy-4-cholesten-3-one
7alpha-Hydroxy-5beta-cholestan-3-one
7alpha-Hydroxy-cholesterol
8,9-DiHETrE
8,9-EpETrE
9(10)-EpOME
9-cis-Retinal A retinal in which the double bond at position 9 has cis configuration, whilst the remaining acyclic double bonds have trans configuration.
9-cis-Retinoic acid A retinoic acid in which the exocyclic double bonds have 7E,9Z,11E,13E geometry.
Acetaldehyde The aldehyde formed from acetic acid by reduction of the carboxy group. It is the most abundant carcinogen in tobacco smoke.
Acetic acid A simple monocarboxylic acid containing two carbons.
Acetoacetic acid A 3-oxo monocarboxylic acid that is butyric acid bearing a 3-oxo substituent.
Acetoacetyl-CoA A 3-oxoacyl-CoA that results from the formal condensation of the thiol group of coenzyme A with the carboxy group of acetoacetic acid.
Acetyl adenylate
Acetyl-CoA An acyl-CoA having acetyl as its S-acetyl component.
Acetyl-N-formyl-5-methoxykynurenamine
Acetylcholine
Acetylisoniazid
Acetylphosphate
Acylglycerone phosphate
Adenine
Adenosine A ribonucleoside composed of a molecule of adenine attached to a ribofuranose moiety via a beta-N(9)-glycosidic bond.
Adenosine 3',5'-bisphosphate
ADP A purine ribonucleoside 5'-diphosphate having adenine as the nucleobase.
ADP-ribose
Adrenosterone A 3-hydroxy steroid that has formula C19H24O3.
Aflatoxin B1 An aflatoxin having a tetrahydrocyclopenta[c]furo[3',2':4,5]furo[2,3-h]chromene skeleton with oxygen functionality at positions 1, 4 and 11.
Aflatoxin B1exo-8,9-epoxide-GSH
Agmatine A primary amino compound that has formula C5H14N4.
AICAR
Alanine
Aldosterone A pregnane-based steroidal hormone produced by the outer-section (zona glomerulosa) of the adrenal cortex in the adrenal gland, and acts on the distal tubules and collecting ducts of the kidney to cause the conservation of sodium, secretion of potassium, increased water retention, and increased blood pressure. The overall effect of aldosterone is to increase reabsorption of ions and water in the kidney.
all-trans-Retinoyl-beta-glucuronide
alpha-Aminoadipic-acid
alpha-D-Galactosyl-(1->3)-1D-myo-inositol
alpha-D-Glucose 1,6-bisphosphate A D-glucose 1,6-bisphosphate in which both phosphate groups are monophosphates.
alpha-D-Glucose 6-phosphate A D-glucopyranose 6-phosphate where alpha-D-glucose is the sugar component.
alpha-Hydroxytamoxifen
alpha-Linolenic acid A linolenic acid with cis-double bonds at positions 9, 12 and 15. Shown to have an antithrombotic effect.
Aminoacetone A propanone consisting of acetone having an amino group at the 1-position.
AMP
Androstanedione
Androstenediol
Androstenedione
Androsterone An androstanoid that is 5alpha-androstane having a hydroxy substituent at the 3alpha-position and an oxo group at the 17-position. It is a metabolite of dehydroepiandrosterone .
Androsterone 3-glucuronide
Anserine A dipeptide comprising of beta-alanine and 3-methyl-L-histidine units.
Arachidonic acid A long-chain fatty acid that is a C20, polyunsaturated fatty acid having four (Z)-double bonds at positions 5, 8, 11 and 14.
Arachidonyl-CoA
Arginine
Argininosuccinic acid
Asparagine
Aspartic acid
ATP
beta-Alanine
beta-Alanyl-L-arginine A dipeptide that has formula C9H19N5O3.
beta-D-Fructose
beta-D-Fructose 2,6-bisphosphate
beta-D-Glucose 6-phosphate A D-glucopyranose 6-phosphate in which the anomeric centre has beta-configuration.
beta-D-Glucuronoside
beta-Estradiol
Betaine
Betaine aldehyde A quaternary ammonium ion that is nitrogen substituted by three methyl groups and a 2-oxoethyl group. It is an intermediate in the metabolism of amino acids like glycine, serine and threonine.
Bilirubin A member of the class of biladienes that is a linear tetrapyrrole, product of heme degradation. It is produced in the reticuloendothelial system by the reduction of biliverdin and transported to the liver as a complex with serum albumin.
Biliverdin A linear tetrapyrrole produced in the reticuloendothelial system by the first step of heme degradation, catalysed by heme oxygenase.
Biocytin A monocarboxylic acid amide that results from the formal condensation of the carboxylic acid group of biotin with the N(6)-amino group of L-lysine.
Biotin An organic heterobicyclic compound that consists of 2-oxohexahydro-1H-thieno[3,4-d]imidazole having a valeric acid substituent attached to the tetrahydrothiophene ring. The parent of the class of biotins.
Butanoyl-CoA
Butyric acid A four-carbon straight-chain saturated fatty acid.
Cadaverine An alkane-alpha,omega-diamine comprising a straight-chain pentane core with amino substitutents at positions 1 and 5. A colourless syrupy liquid diamine with a distinctive unpleasant odour, it is a homologue of putresceine and is formed by the bacterial decarboxylation of lysine that occurs during protein hydrolysis during putrefaction of animal tissue. It is also found in plants such as soyabean.
Caffeine A trimethylxanthine in which the three methyl groups are located at positions 1, 3, and 7. A purine alkaloid that occurs naturally in tea and coffee.
Campesterol
CAR(16:0)
Carbamoylaspartate
Carbamoylphosphate
Carnitine
Carnosine
CDP A pyrimidine ribonucleoside 5'-diphosphate having cytosine as the nucleobase.
CDP-Ethanolamine A phosphoethanolamine consisting of ethanolamine having a cytidine 5'-diphosphate moiety attached to the oxygen.
Cellobiose A glycosylglucose that is disaccharide containing two glucose units linked via a beta(1->4) bond.
Ceramide 1-phosphate A ceramide phosphate compound having the phosphate group in the 1-position and an unspecified acyl group atached to the nitrogen atom.
Chenodeoxycholic acid A dihydroxy-5beta-cholanic acid that is (5beta)-cholan-24-oic acid substituted by hydroxy groups at positions 3 and 7 respectively.
Chloral hydrate An organochlorine compound that is the hydrate of trichloroacetaldehyde.
Chloroacetaldehyde Acetaldehyde substituted at C-2 by chlorine.
Cholest-5-ene-3beta,7alpha,25-triol
Cholesterol
Cholesterol ester
Cholesterol sulfate A steroid sulfate that has formula C27H46O4S.
Cholic acid A bile acid that is 5beta-cholan-24-oic acid bearing three alpha-hydroxy substituents at position 3, 7 and 12.
Choline A choline that is the parent compound of the cholines class, consisting of ethanolamine having three methyl substituents attached to the amino function.
Choline phosphate
Ciliatine
Cinnavalininate A phenoxazine that has formula C14H8N2O6.
cis-3-Chloroacrylic acid A 3-chloroacrylic acid that has formula C3H3ClO2.
cis-3-Hydroxyproline
cis-4-Hydroxy-D-proline D-proline in which a hydrogen at the 4-position of the pyrrolidine ring is substituted by a hydroxy group (R-configuration).
cis-Aconitic acid The cis-isomer of aconitic acid.
Citric acid A tricarboxylic acid that is propane-1,2,3-tricarboxylic acid bearing a hydroxy substituent at position 2. It is an important metabolite in the pathway of all aerobic organisms.
Citrulline
CMP
CMP-N-acetylneuraminate
CMP-N-glycoloylneuraminate
CMPciliatine
Cobamide coenzyme
Coenzyme A A thiol comprising a panthothenate unit in phosphoric anhydride linkage with a 3',5'-adenosine diphosphate unit; and an aminoethanethiol unit.
Coniferyl alcohol
Coprocholic acid
Corticosterone A 21-hydroxy steroid that is consists of pregn-4-ene substituted by hydroxy groups at positions 11 and 21 and oxo groups at positions 3 and 20. Corticosterone is a 21-carbon steroid hormone of the corticosteroid type produced in the cortex of the adrenal glands.
Cortisol A C21-steroid that is pregn-4-ene substituted by oxo groups at positions 3 and 20 and hydroxy groups at positions 11, 17 and 21. Cortisol is a corticosteroid hormone or glucocorticoid produced by zona fasciculata of the adrenal cortex, which is a part of the adrenal gland. It is usually referred to as the stress hormone as it is involved in response to stress and anxiety, controlled by corticotropin-releasing hormone (CRH). It increases blood pressure and blood sugar, and reduces immune responses
Cortisone A C21-steroid that is pregn-4-ene substituted by hydroxy groups at positions 17 and 21 and oxo group at positions 3, 11 and 20.
Creatine
Crotonoyl-CoA The (E)-isomer of but-2-enoyl-CoA.
CTP
Cys-Gly
Cystathionine A modified amino acid generated by enzymic means from homocysteine and serine.
Cysteamine
Cysteic acid An amino sulfonic acid that is the sulfonic acid analogue of cysteine.
Cysteine A sulfur-containing amino acid that is propanoic acid with an amino group at position 2 and a sulfanyl group at position 3.
Cystine
Cytidine A pyrimidine nucleoside in which cytosine is attached to ribofuranose via a beta-N(1)-glycosidic bond.
Cytidine 5'-diphosphocholine
D-Aspartate
D-Glucono-1,5-lactone 6-phosphate
D-Glutamic acid An optically active form of glutamic acid having D-configuration.
D-Glutamine The D-enantiomer of glutamine.
D-Mannose 1-phosphate A mannose phosphate that is D-mannose carrying a phosphate group at position 1.
D-myo-Inositol 3,4,5,6-tetrakisphosphate
D-Ornithine The D-enantiomer of ornithine. It is an intermediate metabolite produced in the urea cycle.
D-Ribosylnicotinate
D-Serine The R-enantiomer of serine.
D-Urobilinogen A biladiene that has formula C33H42N4O6.
dADP A purine 2'-deoxyribonucleoside 5'-diphosphate having adenine as the nucleobase.
dAMP
dATP A purine 2'-deoxyribonucleoside 5'-triphosphate having adenine as the nucleobase.
dCDP A 2'-deoxycytidine phosphate that is the 2'- deoxy derivative of cytidine 5'-diphosphate (CDP).
dCMP A pyrimidine 2'-deoxyribonucleoside 5'-monophosphate having cytosine as the nucleobase.
dCTP A 2'-deoxycytidine phosphate having cytosine as the nucleobase.
Deamino-NAD+
Decanoyl-CoA
Dehydroepiandrosterone An androstanoid that is androst-5-ene substituted by an beta-hydroxy group at position 3 and an oxo group at position 17. It is a naturally occurring steroid hormone produced by the adrenal glands.
Dehydroepiandrosterone sulfate A steroid sulfate that is the 3-sulfate of dehydroepiandrosterone.
Demethylcitalopram
Deoxyadenosine
Deoxycytidine
Deoxyguanosine
Deoxyinosine
Deoxyribose 1-phosphate
Deoxyribose 5-phosphate
Deoxyuridine
Desmosterol A cholestanoid that is cholesta-5,24-diene substituted by a beta-hydroxy group at position 3. It is an intermediate metabolite obtained during the synthesis of cholesterol.
dGDP A purine 2'-deoxyribonucleoside 5'-diphosphate having guanine as the nucleobase.
dGMP
dGTP A purine 2'-deoxyribonucleoside 5'-triphosphate having guanine as the nucleobase.
dIDP
Digalactosyl-diacylglycerol
Dihydroceramide A ceramide consisting of sphinganine in which one of the amino hydrogens is substituted by a fatty acyl group.
Dihydrofolic acid A folic acid derivative acted upon by dihydrofolate reductase to produce tetrahydrofolic acid. It interacts with bacteria during cell division and is targeted by various drugs to prevent nucleic acid synthesis.
Dihydrouracil
Dihydroxyacetone
Dihydroxyacetone phosphate
Dimethylglycine
dITP
Dolichol
DOPA
Dopamine Catechol in which the hydrogen at position 4 is substituted by a 2-aminoethyl group.
Dopaquinone
dTDP A thymidine phosphate having a diphosphate group at the 5'-position.
dTDP-glucose
dTMP
dTTP
dUDP A pyrimidine 2'-deoxyribonucleoside 5'-diphosphate that has formula C9H14N2O11P2.
dUMP A pyrimidine 2'-deoxyribonucleoside 5'-monophosphate having uracil as the nucleobase.
dUTP
Epinephrine
Erythrose 4-phosphate
Estriol
Estrone A 17-oxo steroid that is estra-1,3,5(10)-triene substituted by an hydroxy group at position 3 and an oxo group at position 17.
Estrone 3-glucuronide
Estrone 3-sulfate
Ethanol A primary alcohol that is ethane in which one of the hydrogens is substituted by a hydroxy group.
Ethanolamine
Ethylene glycol
Etiocholanolone
FAD A flavin adenine dinucleotide that has formula C27H33N9O15P2.
FMN
Folic acid An N-acyl-amino acid that is a form of the water-soluble vitamin B9. Its biologically active forms (tetrahydrofolate and others) are essential for nucleotide biosynthesis and homocysteine remethylation.
Folinic acid
Formic acid
Formiminoglutamic acid
Formyl-5-hydroxykynurenamine A hydroxykynurenamine that is 5-hydroxykynurenamine with the hydrogen on the aryl amine replaced by a formyl group.
Formylanthranilic acid
Fructose A ketohexose that is an isomer of glucose.
Fructose 1,6-bisphosphate
Fructose 1-phosphate A ketohexose monophosphate consisting of fructose having a phosphate group located at the 1-position
Fructose 6-phosphate
Fucose Any deoxygalactose that is deoxygenated at the 6-position.
Fucose 1-phosphate
Fumaric acid A butenedioic acid in which the C=C double bond has E geometry. It is an intermediate metabolite in the citric acid cycle.
Galactitol An optically inactive hexitol having meso-configuration.
Galactose
Galactose 1-phosphate
Galactosylglycerol
gamma-Aminobutyric acid A gamma-amino acid that is butanoic acid with the amino substituent located at C-4.
gamma-Glutamylcysteine
GDP A purine ribonucleoside 5'-diphosphate that has formula C10H15N5O11P2.
GDP-L-fucose A GDP-fucose in which the fucosyl residue has L-configuration.
GDP-mannose
Gentisate aldehyde
Gentisic acid
Geranyl pyrophosphate
Geranylgeranyl diphosphate A polyprenol diphosphate having geranylgeranyl as the polyprenyl component.
Glucaric acid A hexaric acid derived by oxidation of sugar such as glucose with nitric acid.
Glucoheptulose
Glucosamine
Glucosamine 6-phosphate
Glucose An aldohexose used as a source of energy and metabolic intermediate.
Glucose 1-phosphate
Glucose 6-phosphate
Glucosylceramide Any of the cerebrosides in which the monosaccharide head group is glucose.
Glucuronic acid
Glucurono-6,3-lactone
Glutamic acid
Glutamine
Glutathione
Glyceraldehyde An aldotriose comprising propanal having hydroxy groups at the 2- and 3-positions. It plays role in the formation of advanced glycation end-products (AGEs), a deleterious accompaniment to ageing.
Glyceraldehyde 3-phosphate An aldotriose phosphate that is the 3-phospho derivative of glyceraldehyde. It is an important metabolic intermediate in several central metabolic pathways in all organisms.
Glyceric acid A trionic acid that consists of propionic acid substituted at positions 2 and 3 by hydroxy groups.
Glycerol A triol with a structure of propane substituted at positions 1, 2 and 3 by hydroxy groups.
Glycine The simplest (and the only achiral) proteinogenic amino acid, with a hydrogen atom as its side chain.
Glycochenodeoxycholic acid A bile acid glycine conjugate having 3alpha,7alpha-dihydroxy-5beta-cholan-24-oyl as the bile acid component.
Glycocholic acid A bile acid glycine conjugate having cholic acid as the bile acid component.
Glycolic acid A 2-hydroxy monocarboxylic acid that is acetic acid where the methyl group has been hydroxylated.
Glyoxylic acid A 2-oxo monocarboxylic acid that is acetic acid bearing an oxo group at the alpha carbon atom.
GMP
GTP
Guanidoacetic acid
Guanine A 2-aminopurine carrying a 6-oxo substituent.
Guanosine A purine nucleoside in which guanine is attached to ribofuranose via a beta-N(9)-glycosidic bond.
Gulonic acid A hexonic acid formed by oxidising the aldehyde group of gulose to a carboxylic acid group.
Heme A heme is any tetrapyrrolic chelate of iron.
Hexanoyl-CoA A medium-chain fatty acyl-CoA having hexanoyl as the S-acyl group.
Hexose
Hippuric acid
Histamine A 1H-imidazol-4-yl group substituted at position C-4 by a 2-aminoethyl group.
Histidine
Homocarnosine A modified histidine derivative with a aminobutanoyl group substituted on the alpha-amino group.
Homocysteine A sulfur-containing amino acid consisting of a glycine core with a 2-mercaptoethyl side-chain.
Homogentisic acid A dihydroxyphenylacetic acid having the two hydroxy substituents at the 2- and 5-positions.
Homovanillic acid A monocarboxylic acid that is the 3-O-methyl ether of (3,4-dihydroxyphenyl)acetic acid. It is a catecholamine metabolite.
Hydroxykynurenine
Hydroxypropionic acid
Hydroxypyruvic acid
Hypotaurine An aminosulfinic acid comprising ethylamine having the sulfo group at the 2-position.
Hypoxanthine A purine nucleobase that consists of purine bearing an oxo substituent at position 6.
Icosenoyl-CoA
IDP A purine ribonucleoside 5'-diphosphate having inosine as the nucleobase.
Imidazole-4-acetaldehyde An imidazolylacetaldehyde that has formula C5H6N2O.
Imidazoleacetic acid
IMP
Indole-5,6-quinone An indoledione that has formula C8H5NO2.
Indoleacetaldehyde An aldehyde that is acetaldehyde substituted by an indolyl group.
Indoleacetic acid
Indolepyruvate
Inosine A purine nucleoside in which hypoxanthine is attached to ribofuranose via a beta-N(9)-glycosidic bond.
Inositol 3-phosphate
Isocitric acid A tricarboxylic acid that is propan-1-ol with a hydrogen at each of the 3 carbon positions substituted with a carboxy group.
Isofucosterol
Isoleucine
Isomaltose A glycosylglucose consisting of two D-glucopyranose units connected by an alpha-(1->6)-linkage.
Isonicotinic acid
Isopentenyl-diphosphate
ITP
Ketoisovaleric acid
Ketoleucine
Kynurenine
L-2-Amino-3-oxobutanoic acid A 2-amino-3-oxobutanoic acid that has formula C4H7NO3.
L-2-Aminoadipate 6-semialdehyde
L-3-Aminoisobutanoate
L-Arabitol
L-Glutamic-gamma-semialdehyde
L-Metanephrine
L-Noradrenaline
L-Normetanephrine
L-Selenocysteine
Lactic acid
Lactose
Lactosylceramide
Lanosterol A tetracyclic triterpenoid that is lanosta-8,24-diene substituted by a beta-hydroxy group at position 3. It is the compound from which all steroids are derived.
Lathosterol
Lauroyl-CoA A medium-chain fatty acyl-CoA that results from the formal condensation of the thiol group of coenzyme A with the carboxy group of lauric (dodecanoic) acid.
Leucine
Linamarin A beta-D-glucoside that has formula C10H17NO6.
Linoleic acid An octadecadienoic acid in which the two double bonds are at positions 9 and 12 and have Z (cis) steeochemistry.
Linoleoyl-CoA The S-linoleoyl derivative of coenzyme A.
Liothyronine
Lipoic acid A heterocyclic thia fatty acid comprising pentanoic acid with a 1,2-dithiolan-3-yl group at the 5-position.
LTA4
LTB4
LTC4
LTD4
Lysine
Lyxose
Malic acid A 2-hydroxydicarboxylic acid that is succinic acid in which one of the hydrogens attached to a carbon is replaced by a hydroxy group.
Malonyl-CoA The S-malonyl derivative of coenzyme A.
Maltose
Mannose An aldohexose that is the C-2 epimer of glucose.
Mannose 6-phosphate
Melatonin A member of the class of acetamides that is acetamide in which one of the hydrogens attached to the nitrogen atom is replaced by a 2-(5-methoxy-1H-indol-3-yl)ethyl group. It is a hormone secreted by the pineal gland in humans.
Melibiitol An alditol that has formula C12H24O11.
Melibiose A glycosylglucose formed by an alpha-(1->6)-linkage between D-galactose and D-glucose.
Menaquinone
Methionine A sulfur-containing amino acid that is butyric acid bearing an amino substituent at position 2 and a methylthio substituent at position 4.
Methylimidazole acetaldehyde
Methylimidazoleacetic acid
Methylmalonic acid A dicarboxylic acid that is malonic acid in which one of the methylene hydrogens is substituted by a methyl group.
Mevalonic acid A dihydroxy monocarboxylic acid comprising valeric acid having two hydroxy groups at the 3- and 5-positions together with a methyl group at the 3-position.
Monoethylglycinexylidide Amino acid amide formed from 2,6-dimethylaniline and N-ethylglycine components; an active metabolite of lidocaine, formed by oxidative deethylation. Used as an indicator of hepatic function.
Morphine-3-glucuronide A morphinane alkaloid that has formula C23H27NO9.
Morphine-6-glucuronide A morphinane alkaloid that has formula C23H27NO9.
Myo-inositol An inositol having myo- configuration.
Myo-inositol hexakisphosphate A myo-inositol hexakisphosphate in which each hydroxy group of myo-inositol is monophosphorylated.
Myristic acid A straight-chain, fourteen-carbon, long-chain saturated fatty acid mostly found in milk fat.
Myristoyl-CoA A long-chain fatty acyl-CoA that results from the formal condensation of the thiol group of coenzyme A with the carboxy group of myristic acid.
N,N'-Diacetylchitobiose
N-6-Trimethyllysine
N-Acetyl-D-glucosamine The pyranose form of N-acetyl-D-glucosamine.
N-Acetyl-glucosamine 6-phosphate
N-Acetyl-mannosamine
N-Acetylaspartic acid
N-Acetylglutamic acid
N-Acetylornithine
N-Acetylputrescine An N-monoacetylalkane-alpha,omega-diamine that is the N-monoacetyl derivative of putrescine.
N-Acetylserotonin A member of the class of hydroxyindoles that is the N-acetyl derivative of serotonin.
N-Acylsphingosine
N-Formyl-aspartic acid
N-Formyl-L-kynurenine
N-Glycoloylneuraminate
N-Methylserotonin A member of the class of tryptamines that is serotonin in which one of the hydrogens attached to the primary amino group is replaced by a methyl group.
N-Methyltryptamine A tryptamine alkaloid that has formula C11H14N2.
N1-Methyl-2-pyridone-5-carboxamide
N1-Methyl-4-pyridone-3-carboxamide
N10-Formyl-THF
N4-Acetylaminobutanal
N6-(1,2-Dicarboxyethyl)-AMP
NAD+
NADP+
Naphthalene An aromatic hydrocarbon comprising two fused benzene rings. It occurs in the essential oils of numerous plant species e.g. magnolia.
Naphthalene-1,2-diol A naphthalenediol that has formula C10H8O2.
Niacinamide
Nicotinamide ribotide
Nicotinamide-beta-riboside
Nicotinic acid A pyridinemonocarboxylic acid that is pyridine in which the hydrogen at position 3 is replaced by a carboxy group.
Nicotinic acid mononucleotide
Norcodeine
O-Phospho-4-hydroxy-threonine
Octanoyl-CoA A medium-chain fatty acyl-CoA that results from the formal condensation of the thiol group of coenzyme A with the carboxy group of octanoic acid.
Oleoyl-CoA An unsaturated fatty acyl-CoA that results from the formal condensation of the thiol group of coenzyme A with the carboxy group of oleic acid.
Ophthalmic acid
Ornithine An alpha-amino acid that is pentanoic acid bearing two amino substituents at positions 2 and 5.
Orotic acid
Oxaloacetic acid
Oxalosuccinic acid A tricarboxylic acid consisting of 2-oxoglutaric acid having a further carboxy group at the 3-position. It is a substrate of the citric acid cycle.
Oxidized glutathione
Oxoadipic acid
Oxoglutaric acid
p-Hydroxyfelbamate
p-Hydroxyphenylacetic acid
Palmitic acid A straight-chain, sixteen-carbon, saturated long-chain fatty acid.
Palmitoleoyl-CoA
Palmitoyl-CoA
Pantetheine An amide obtained by formal condensation of the carboxy group of pantothenic acid and the maino group of cysteamine.
Pantetheine 4'-phosphate A phosphopantetheine that has formula C11H23N2O7PS.
Pantothenic acid A member of the class of pantothenic acids that is an amide formed from pantoic acid and beta-alanine.
Paraxanthine
PGD2
PGE2
PGF2alpha
PGG2
PGH2
PGI2
Phenylacetaldehyde An aldehyde that consists of acetaldehyde bearing a methyl substituent; the parent member of the phenylacetaldehyde class of compounds.
Phenylacetic acid A monocarboxylic acid that is benzene substituted with a carboxymethyl functional group.
Phenylalanine
Phenylethylamine
Phenylpyruvic acid
Phosphatidate
Phosphatidyl-N-dimethylethanolamine
Phosphatidylcholine
Phosphatidylethanolamine
Phosphatidylglycerol
Phosphatidylserine
Phosphocreatine
Phosphoenolpyruvic acid A monocarboxylic acid that is acrylic acid substituted by a phosphonooxy group at position 2. It is a metabolic intermediate in pathways like glycolysis and gluconeogenesis.
Phosphoethanolamine
Phosphohydroxypyruvic acid
Phosphoribosyl pyrophosphate
Phosphoserine
Phylloquinone A member of the class of phylloquinones that consists of 1,4-naphthoquinone having methyl and phytyl groups at positions 2 and 3 respectively. The parent of the class of phylloquinones.
Phytoceramide
Phytosphingosine
Pipecolic acid A piperidinemonocarboxylic acid in which the carboxy group is located at position C-2.
Porphobilinogen A dicarboxylic acid that is pyrole bearing aminomethyl, carboxymethyl and 2-carboxyethyl substituents at positions 2, 3 and 4 respectively.
Pregnanolone
Pregnenolone
Progesterone A C21-steroid hormone in which a pregnane skeleton carries oxo substituents at positions 3 and 20 and is unsaturated at C(4)-C(5). As a hormone, it is involved in the female menstrual cycle, pregnancy and embryogenesis of humans and other species.
Proline
Propanoyl-CoA
Propionic acid
Propionyladenylate
Protoporphyrin
Protoporphyrinogen IX
Prunasin A cyanogenic glycoside that has formula C14H17NO6.
Putrescine A four-carbon alkane-alpha,omega-diamine. It is obtained by the breakdown of amino acids and is responsible for the foul odour of putrefying flesh.
Pyridoxal
Pyridoxal 5'-phosphate The monophosphate ester obtained by condensation of phosphoric acid with the primary hydroxy group of pyridoxal.
Pyridoxamine A monohydroxypyridine that is pyridine substituted by a hydroxy group at position 3, an aminomethyl group at position 4, a hydroxymethyl group at position 5 and a methyl group at position 2.
Pyridoxamine 5'-phosphate A vitamin B6 phosphate that is the phosphoric ester derivative of pyridoxamine.
Pyridoxine A hydroxymethylpyridine with hydroxymethyl groups at positions 4 and 5, a hydroxy group at position 3 and a methyl group at position 2.
Pyridoxine 5'-phosphate A vitamin B6 phosphate that has formula C8H12NO6P.
Pyroglutamic acid
Pyruvaldehyde
Pyruvic acid A 2-oxo monocarboxylic acid that is the 2-keto derivative of propionic acid. It is a metabolite obtained during glycolysis.
Quinolinic acid A pyridinedicarboxylic acid that is pyridine substituted by carboxy groups at positions 2 and 3. It is a metabolite of tryptophan.
Raffinose A trisaccharide composed of alpha-D-galactopyranose, alpha-D-glucopyranose and beta-D-fructofuranose joined in sequence by 1->6 and 1<->2 glycosidic linkages, respectively.
Retinal An enal that consists of 3,7-dimethyl-9-nona-2,4,6,8-tetraenal (double bond geometry unspecified) carrying a 2,6,6-trimethylcyclohex-1-en-1-yl group at the 9-position.
Retinoic acid
Retinol A retinoid consisting of 3,7-dimethylnona-2,4,6,8-tetraen-1-ol substituted at position 9 by a 2,6,6-trimethylcyclohex-1-en-1-yl group (geometry of the four exocyclic double bonds is not specified).
Riboflavin D-Ribitol in which the hydroxy group at position 5 is substituted by a 7,8-dimethyl-2,4-dioxo-3,4-dihydrobenzo[g]pteridin-10(2H)-yl moiety. It is a nutritional factor found in milk, eggs, malted barley, liver, kidney, heart, and leafy vegetables, but the richest natural source is yeast. The free form occurs only in the retina of the eye, in whey, and in urine; its principal forms in tissues and cells are as flavin mononucleotide and flavin-adenine dinucleotide.
Ribose Any aldopentose where the open-chain form has all the hydroxy groups on the same side in the Fischer projection. Occurrs in two enantiomeric forms, D- and L-ribose, of which only the former is found in nature.
Ribose 1-phosphate
Ribose 5-phosphate
Ribulose 5-phosphate
S-(Formylmethyl)glutathione A peptide that has formula C12H19N3O7S.
S-Adenosylhomocysteine
S-Adenosylmethioninamine The S-adenosyl derivative of methioninamine.
S-Adenosylmethionine
S-Lactoylglutathione
S-Methyl-5-thio-D-ribose 1-phosphate
Saccharopine
Sarcosine
Sedoheptulose 1,7-bisphosphate A sedoheptulose derivative that has formula C7H16O13P2.
Sedoheptulose 7-phosphate
Sepiapterin A pterin that has formula C9H11N5O3.
Serine
Serotonin A primary amino compound that is the 5-hydroxy derivative of tryptamine.
Sinapyl alcohol A primary alcohol, being cinnamyl alcohol hydroxylated at C-4 and methoxylated at C-3 and -5.
Sitosterol
SM(d18:0/22:1)
sn-Glycero-3-phosphate
sn-Glycero-3-phosphocholine
sn-Glycero-3-phosphoethanolamine A glycerophosphatidylethanolamine that has formula C5H14NO6P.
Sorbitol
Spermidine A triamine that is the 1,5,10-triaza derivative of decane.
Spermine A polyazaalkane that is tetradecane in which the carbons at positions 1, 5, 10 and 14 are replaced by nitrogens. Spermine has broad actions on cellular metabolism.
Sphinganine A 2-aminooctadecane-1,3-diol having (2S,3R)-configuration.
Sphinganine 1-phosphate A sphingoid 1-phosphate that is the monophosphorylated derivative of sphinganine.
Sphingosine A sphing-4-enine in which the double bond is trans.
Sphingosine 1-phosphate A phosphosphingolipid that consists of sphingosine having a phospho group attached at position 1
Squalene
Stachyose A tetrasaccharide consisting of sucrose having an alpha-D-galactosyl-(1->6)-alpha-D-galactosyl moiety attached at the 6-position of the glucose.
Stearidonic acid
Stearoyl-CoA A long-chain fatty acyl-CoA that results from the formal condensation of the thiol group of coenzyme A with the carboxy group of stearic acid.
Succinic acid
Succinic acid semialdehyde
Succinyl-CoA An omega-carboxyacyl-CoA having succinoyl as the S-acyl component.
Sucrose Sucrose is a disaccharide formed by glucose and fructose units joined by an acetal oxygen bridge from hemiacetal of glucose to the hemiketal of the fructose.
Sulfatide
Taurine An amino sulfonic acid that is the 2-amino derivative of ethanesulfonic acid. It is a naturally occurring amino acid derived from methionine and cysteine metabolism.
Taurochenodeoxycholic acid A bile acid taurine conjugate of chenodeoxycholic acid.
Taurocholic acid A bile acid taurine conjugate of cholic acid that usually occurs as the sodium salt of bile in mammals.
Testosterone An androstanoid having 17beta-hydroxy and 3-oxo groups, together with unsaturation at C-4-C-5..
Testosterone glucuronide
Tetrahydrobiopterin
Tetrahydrocorticosterone A 21-hydroxy steroid that has formula C21H34O4.
Tetrahydrocortisol A glucocorticoid that has formula C21H34O5.
Tetrahydrodeoxycorticosterone
Theobromine
Thiamine
Thiamine diphosphate
Thiamine monophosphate
Thiocysteine
Threonine
Thymidine A pyrimidine 2'-deoxyribonucleoside having thymine as the nucleobase.
Thymine A pyrimidine nucleobase that is uracil in which the hydrogen at position 5 is replaced by a methyl group.
Thyroxine An iodothyronine compound having iodo substituents at the 3-, 3'-, 5- and 5'-positions.
trans,cis-Lauro-2,6-dienoyl-CoA
trans,trans-Farnesyl diphosphate
trans-2-Enoyl-OPC6-CoA An organic molecule that has formula C37H58N7O18P3S.
Trehalose
Triacylglycerol
Trypanothione disulfide Trypanothione disulfide is the oxidized form of N(1),N(8)-bis(glutathionyl)-spermidine from the insect-parasitic trypanosomatid Crithidia fasciculata.
Tryptamine An aminoalkylindole consisting of indole having a 2-aminoethyl group at the 3-position.
Tryptophan
TXA2
Tyramine
Tyrosine
Ubiquinone-1 A compound composed of the standard 2,3-dimethoxy-5-methylbenzoquinone nucleus common to ubiquinones; and a side chain of a single isoprenoid unit.
UDP A pyrimidine ribonucleoside 5'-diphosphate that has formula C9H14N2O12P2.
UDP-alpha-D-galactose
UDP-D-Xylose
UDP-GlcNAc
UDP-glucose
UDP-glucuronic acid
UMP
Uracil
Urea A carbonyl group with two C-bound amine groups.
Ureidopropionic acid
Uric acid An oxopurine that is the final oxidation product of purine metabolism.
Uridine
Urocanic acid An alpha,beta-unsaturated monocarboxylic acid that is prop-2-enoic acid substituted by a 1H-imidazol-4-yl group at position 3. It is a metabolite of hidtidine.
Urocortisone
Uroporphyrinogen III An uroporphyrinogen that has formula C40H44N4O16.
UTP A pyrimidine ribonucleoside 5'-triphosphate having uracil as the nucleobase.
Valine
Vanillylmandelic acid An aromatic ether that is the 3-O-methyl ether of 3,4-dihydroxymandelic acid.
Vitamin D3
Xanthine A purine nucleobase found in humans and other organisms.
Xanthosine A purine nucleoside in which xanthine is attached to ribofuranose via a beta-N(9)-glycosidic bond.
Xanthosine 5-triphosphate
XMP
Xylitol
Xylose An aldopentose, found in the embryos of most edible plants and used in medicine to test for malabsorption by administration in water to the patient.
Xylulose
Xylulose 5-phosphate A xylulose phosphate carrying a phospahte group at position 5. It is an intermediate metabolite in the pentose phosphate pathway.
Zymosterol A 3beta-sterol that has formula C27H44O.