| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
acetylcarnitine
Acetylcarnitine: An acetic acid ester of CARNITINE that facilitates movement of ACETYL COA into the matrices of mammalian MITOCHONDRIA during the oxidation of FATTY ACIDS. | 2 | 1 | 0 | O-acylcarnitine | human metabolite |
acetic acid
Acetic Acid: Product of the oxidation of ethanol and of the destructive distillation of wood. It is used locally, occasionally internally, as a counterirritant and also as a reagent. (Stedman, 26th ed). acetic acid : A simple monocarboxylic acid containing two carbons. | 2.03 | 1 | 0 | monocarboxylic acid | antimicrobial food preservative;
Daphnia magna metabolite;
food acidity regulator;
protic solvent |
acetoin
[no description available] | 2.01 | 1 | 0 | methyl ketone;
secondary alpha-hydroxy ketone | metabolite |
acetone
methyl ketone : A ketone of formula RC(=O)CH3 (R =/= H). | 2.03 | 1 | 0 | ketone body;
methyl ketone;
propanones;
volatile organic compound | EC 3.5.1.4 (amidase) inhibitor;
human metabolite;
polar aprotic solvent |
ammonium hydroxide
azane : Saturated acyclic nitrogen hydrides having the general formula NnHn+2. | 2.59 | 2 | 0 | azane;
gas molecular entity;
mononuclear parent hydride | EC 3.5.1.4 (amidase) inhibitor;
metabolite;
mouse metabolite;
neurotoxin;
NMR chemical shift reference compound;
nucleophilic reagent;
refrigerant |
betaine
glycine betaine : The amino acid betaine derived from glycine. | 4.31 | 19 | 0 | amino-acid betaine;
glycine derivative | fundamental metabolite |
carbon monoxide
Carbon Monoxide: Carbon monoxide (CO). A poisonous colorless, odorless, tasteless gas. It combines with hemoglobin to form carboxyhemoglobin, which has no oxygen carrying capacity. The resultant oxygen deprivation causes headache, dizziness, decreased pulse and respiratory rates, unconsciousness, and death. (From Merck Index, 11th ed). carbon monoxide : A one-carbon compound in which the carbon is joined only to a single oxygen. It is a colourless, odourless, tasteless, toxic gas. | 2.03 | 1 | 0 | carbon oxide;
gas molecular entity;
one-carbon compound | biomarker;
EC 1.9.3.1 (cytochrome c oxidase) inhibitor;
human metabolite;
ligand;
metabolite;
mitochondrial respiratory-chain inhibitor;
mouse metabolite;
neurotoxin;
neurotransmitter;
P450 inhibitor;
probe;
signalling molecule;
vasodilator agent |
carnitine
[no description available] | 2 | 1 | 0 | amino-acid betaine | human metabolite;
mouse metabolite |
choline
[no description available] | 2.35 | 2 | 0 | cholines | allergen;
Daphnia magna metabolite;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
neurotransmitter;
nutrient;
plant metabolite;
Saccharomyces cerevisiae metabolite |
hydrochloric acid
Hydrochloric Acid: A strong corrosive acid that is commonly used as a laboratory reagent. It is formed by dissolving hydrogen chloride in water. GASTRIC ACID is the hydrochloric acid component of GASTRIC JUICE.. hydrogen chloride : A mononuclear parent hydride consisting of covalently bonded hydrogen and chlorine atoms. | 1.97 | 1 | 0 | chlorine molecular entity;
gas molecular entity;
hydrogen halide;
mononuclear parent hydride | mouse metabolite |
3,4-dihydroxyphenylacetic acid
3,4-Dihydroxyphenylacetic Acid: A deaminated metabolite of LEVODOPA.. (3,4-dihydroxyphenyl)acetic acid : A dihydroxyphenylacetic acid having the two hydroxy substituents located at the 3- and 4-positions. It is a metabolite of dopamine.. dihydroxyphenylacetic acid : A dihydroxy monocarboxylic acid consisting of phenylacetic acid having two phenolic hydroxy substituents. | 2.04 | 1 | 0 | catechols;
dihydroxyphenylacetic acid | human metabolite |
3-methylthiopropionate
3-(methylthio)propionic acid : A thia fatty acid acid consisting of propionic acid with a methylthio substituent at the 3-position; an intermediate in mammalian methionine metabolism in vitro. The simplest known phytotoxin, it is a blight-inducing toxin produced by the cassava pathogen Xanthomonas campestris manihotis. | 2.96 | 4 | 0 | thia fatty acid | phytotoxin |
dimethylglycine
dimethylglycine: metabolic product of calcium pangamate; mutagen when mixed with nitrite; RN given refers to parent cpd. N,N-dimethylglycine : An N-methylglycine that is glycine carrying two N-methyl substituents. | 2 | 1 | 0 | amino acid zwitterion;
N-methyl-amino acid;
N-methylglycines | Daphnia magna metabolite;
human metabolite;
mouse metabolite |
dimethyl sulfoxide
Dimethyl Sulfoxide: A highly polar organic liquid, that is used widely as a chemical solvent. Because of its ability to penetrate biological membranes, it is used as a vehicle for topical application of pharmaceuticals. It is also used to protect tissue during CRYOPRESERVATION. Dimethyl sulfoxide shows a range of pharmacological activity including analgesia and anti-inflammation.. dimethyl sulfoxide : A 2-carbon sulfoxide in which the sulfur atom has two methyl substituents. | 3.47 | 7 | 0 | sulfoxide;
volatile organic compound | alkylating agent;
antidote;
Escherichia coli metabolite;
geroprotector;
MRI contrast agent;
non-narcotic analgesic;
polar aprotic solvent;
radical scavenger |
formaldehyde
paraform: polymerized formaldehyde; RN given refers to parent cpd; used in root canal therapy | 2.07 | 1 | 0 | aldehyde;
one-carbon compound | allergen;
carcinogenic agent;
disinfectant;
EC 3.5.1.4 (amidase) inhibitor;
environmental contaminant;
Escherichia coli metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
gamma-butyrobetaine
4-(trimethylammonio)butanoate : An amino-acid betaine gamma-aminobutyric acid zwitterion in which all of the hydrogens attached to the nitrogen are replaced by methyl groups. | 2 | 1 | 0 | amino-acid betaine | Escherichia coli metabolite;
human metabolite |
glycine
[no description available] | 2.33 | 2 | 0 | alpha-amino acid;
amino acid zwitterion;
proteinogenic amino acid;
serine family amino acid | EC 2.1.2.1 (glycine hydroxymethyltransferase) inhibitor;
fundamental metabolite;
hepatoprotective agent;
micronutrient;
neurotransmitter;
NMDA receptor agonist;
nutraceutical |
hydrogen
Hydrogen: The first chemical element in the periodic table with atomic symbol H, and atomic number 1. Protium (atomic weight 1) is by far the most common hydrogen isotope. Hydrogen also exists as the stable isotope DEUTERIUM (atomic weight 2) and the radioactive isotope TRITIUM (atomic weight 3). Hydrogen forms into a diatomic molecule at room temperature and appears as a highly flammable colorless and odorless gas.. dihydrogen : An elemental molecule consisting of two hydrogens joined by a single bond. | 2.31 | 1 | 0 | elemental hydrogen;
elemental molecule;
gas molecular entity | antioxidant;
electron donor;
food packaging gas;
fuel;
human metabolite |
methylmercaptan
methylmercaptan: intermediate in the manufacturing of jet fuels, pesticides, fungicides, plastics, synthesis of methionine; odor may cause nausea; narcotic in high concentrations; depresses urea biosynthesis; RN given refers to parent cpd; structure | 4.97 | 11 | 0 | alkanethiol | human metabolite;
Saccharomyces cerevisiae metabolite |
methanol
Methanol: A colorless, flammable liquid used in the manufacture of FORMALDEHYDE and ACETIC ACID, in chemical synthesis, antifreeze, and as a solvent. Ingestion of methanol is toxic and may cause blindness.. primary alcohol : A primary alcohol is a compound in which a hydroxy group, -OH, is attached to a saturated carbon atom which has either three hydrogen atoms attached to it or only one other carbon atom and two hydrogen atoms attached to it.. methanol : The primary alcohol that is the simplest aliphatic alcohol, comprising a methyl and an alcohol group. | 2.47 | 2 | 0 | alkyl alcohol;
one-carbon compound;
primary alcohol;
volatile organic compound | amphiprotic solvent;
Escherichia coli metabolite;
fuel;
human metabolite;
mouse metabolite;
Mycoplasma genitalium metabolite |
nickel
Nickel: A trace element with the atomic symbol Ni, atomic number 28, and atomic weight 58.69. It is a cofactor of the enzyme UREASE.. nickel ion : A nickel atom having a net electric charge.. nickel atom : Chemical element (nickel group element atom) with atomic number 28. | 2.15 | 1 | 0 | metal allergen;
nickel group element atom | epitope;
micronutrient |
nitrates
Nitrates: Inorganic or organic salts and esters of nitric acid. These compounds contain the NO3- radical. | 2.74 | 3 | 0 | monovalent inorganic anion;
nitrogen oxoanion;
reactive nitrogen species | |
dimethyl sulfide
dimethyl sulfide: structure. dimethyl sulfide : A methyl sulfide in which the sulfur atom is substituted by two methyl groups. It is produced naturally by some marine algae.. methyl sulfide : Any aliphatic sulfide in which at least one of the organyl groups attached to the sulfur is a methyl group. | 8.24 | 72 | 0 | aliphatic sulfide | algal metabolite;
bacterial xenobiotic metabolite;
EC 3.5.1.4 (amidase) inhibitor;
Escherichia coli metabolite;
marine metabolite |
thiosulfates
Thiosulfates: Inorganic salts of thiosulfuric acid possessing the general formula R2S2O3.. thiosulfate(2-) : A divalent inorganic anion obtained by removal of both protons from thiosulfuric acid. | 2.6 | 1 | 0 | divalent inorganic anion;
sulfur oxide;
sulfur oxoanion | human metabolite |
sarcosine
cocobetaine: N-alkyl-betaine; cause of shampoo dermatitis | 2 | 1 | 0 | N-alkylglycine zwitterion;
N-alkylglycine;
N-methyl-amino acid;
N-methylglycines | Escherichia coli metabolite;
glycine receptor agonist;
glycine transporter 1 inhibitor;
human metabolite;
mouse metabolite |
trimethyloxamine
trimethyloxamine: used in manufacture of quaternary ammonium cpds; insect attractant; warming agent for gas; oxidant; structure. trimethylamine N-oxide : A tertiary amine oxide resulting from the oxidation of the amino group of trimethylamine. | 2.77 | 3 | 0 | tertiary amine oxide | Escherichia coli metabolite;
metabolite;
osmolyte |
urea
pseudourea: clinical use; structure. isourea : A carboximidic acid that is the imidic acid tautomer of urea, H2NC(=NH)OH, and its hydrocarbyl derivatives. | 2.1 | 1 | 0 | isourea;
monocarboxylic acid amide;
one-carbon compound | Daphnia magna metabolite;
Escherichia coli metabolite;
fertilizer;
flour treatment agent;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine
1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine: A dopaminergic neurotoxic compound which produces irreversible clinical, chemical, and pathological alterations that mimic those found in Parkinson disease.. 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine : A tetrahydropyridine that is 1,2,3,6-tetrahydropyridine substituted by a methyl group at position 1 and a phenyl group at position 4. | 2.73 | 3 | 0 | methylpyridines;
phenylpyridine;
tetrahydropyridine | neurotoxin |
camphor, (+-)-isomer
[no description available] | 2.03 | 1 | 0 | bornane monoterpenoid;
cyclic monoterpene ketone | plant metabolite |
homarine
homarine: structure | 2.48 | 2 | 0 | non-proteinogenic alpha-amino acid | |
indomethacin
Indomethacin: A non-steroidal anti-inflammatory agent (NSAID) that inhibits CYCLOOXYGENASE, which is necessary for the formation of PROSTAGLANDINS and other AUTACOIDS. It also inhibits the motility of POLYMORPHONUCLEAR LEUKOCYTES.. indometacin : A member of the class of indole-3-acetic acids that is indole-3-acetic acid in which the indole ring is substituted at positions 1, 2 and 5 by p-chlorobenzoyl, methyl, and methoxy groups, respectively. A non-steroidal anti-inflammatory drug, it is used in the treatment of musculoskeletal and joint disorders including osteoarthritis, rheumatoid arthritis, gout, bursitis and tendinitis. | 1.97 | 1 | 0 | aromatic ether;
indole-3-acetic acids;
monochlorobenzenes;
N-acylindole | analgesic;
drug metabolite;
EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor;
environmental contaminant;
gout suppressant;
non-steroidal anti-inflammatory drug;
xenobiotic metabolite;
xenobiotic |
trigonelline
trigonelline: in hydra among other organisms; RN given refers to hydroxide inner salt; structure. N-methylnicotinic acid : A pyridinium ion consisting of nicotinic acid having a methyl substituent on the pyridine nitrogen.. N-methylnicotinate : An iminium betaine that is the conjugate base of N-methylnicotinic acid, arising from deprotonation of the carboxy group. | 2.03 | 1 | 0 | alkaloid;
iminium betaine | food component;
human urinary metabolite;
plant metabolite |
4-nitroquinoline-1-oxide
4-nitroquinoline N-oxide : A quinoline N-oxide carrying a nitro substituent at position 4. | 2.03 | 1 | 0 | C-nitro compound;
quinoline N-oxide | carcinogenic agent |
carbostyril
Quinolones: A group of derivatives of naphthyridine carboxylic acid, quinoline carboxylic acid, or NALIDIXIC ACID.. quinolin-2(1H)-one : A quinolone that is 1,2-dihydroquinoline substituted by an oxo group at position 2. | 2.03 | 1 | 0 | monohydroxyquinoline;
quinolone | bacterial xenobiotic metabolite |
tyrosine
Tyrosine: A non-essential amino acid. In animals it is synthesized from PHENYLALANINE. It is also the precursor of EPINEPHRINE; THYROID HORMONES; and melanin.. tyrosine : An alpha-amino acid that is phenylalanine bearing a hydroxy substituent at position 4 on the phenyl ring. | 2.15 | 1 | 0 | amino acid zwitterion;
erythrose 4-phosphate/phosphoenolpyruvate family amino acid;
L-alpha-amino acid;
proteinogenic amino acid;
tyrosine | EC 1.3.1.43 (arogenate dehydrogenase) inhibitor;
fundamental metabolite;
micronutrient;
nutraceutical |
leucine
Leucine: An essential branched-chain amino acid important for hemoglobin formation.. leucine : A branched-chain amino acid that consists of glycine in which one of the hydrogens attached to the alpha-carbon is substituted by an isobutyl group. | 2.46 | 2 | 0 | amino acid zwitterion;
L-alpha-amino acid;
leucine;
proteinogenic amino acid;
pyruvate family amino acid | algal metabolite;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
plant metabolite;
Saccharomyces cerevisiae metabolite |
methionine
Methionine: A sulfur-containing essential L-amino acid that is important in many body functions.. methionine : A sulfur-containing amino acid that is butyric acid bearing an amino substituent at position 2 and a methylthio substituent at position 4. | 4.17 | 16 | 0 | aspartate family amino acid;
L-alpha-amino acid;
methionine zwitterion;
methionine;
proteinogenic amino acid | antidote to paracetamol poisoning;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical |
histidine
Histidine: An essential amino acid that is required for the production of HISTAMINE.. L-histidine : The L-enantiomer of the amino acid histidine.. histidine : An alpha-amino acid that is propanoic acid bearing an amino substituent at position 2 and a 1H-imidazol-4-yl group at position 3. | 2.41 | 1 | 0 | amino acid zwitterion;
histidine;
L-alpha-amino acid;
polar amino acid zwitterion;
proteinogenic amino acid | algal metabolite;
Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
Saccharomyces cerevisiae metabolite |
methyl iodide
methyl iodide: RN given refers to unlabeled cpd with MF of CH3-I. iodomethane : A member of the class of iodomethanes that is methane in which one of the hydrogens is replaced by iodine. | 2.51 | 2 | 0 | iodomethanes;
methyl halides | fumigant insecticide |
methylamine
methyl group : An alkyl group that is the univalent group derived from methane by removal of a hydrogen atom. | 2.07 | 1 | 0 | methylamines;
one-carbon compound;
primary aliphatic amine | mouse metabolite |
boranes
Boranes: The collective name for the boron hydrides, which are analogous to the alkanes and silanes. Numerous boranes are known. Some have high calorific values and are used in high-energy fuels. (From Grant & Hackh's Chemical Dictionary, 5th ed). borane : The simplest borane, consisting of a single boron atom carrying three hydrogens.. boranes : The molecular hydrides of boron. | 2.31 | 1 | 0 | boranes;
mononuclear parent hydride | |
methylene iodide
methylene iodide: RN given refers to parent cpd | 2.05 | 1 | 0 | | |
carbon disulfide
Carbon Disulfide: A colorless, flammable, poisonous liquid, CS2. It is used as a solvent, and is a counterirritant and has local anesthetic properties but is not used as such. It is highly toxic with pronounced CNS, hematologic, and dermatologic effects. | 2.01 | 1 | 0 | one-carbon compound;
organosulfur compound | |
acrylic acid
acrylic acid: RN given refers to parent cpd. acrylic acid : A alpha,beta-unsaturated monocarboxylic acid that is ethene substituted by a carboxy group. | 3.79 | 10 | 0 | alpha,beta-unsaturated monocarboxylic acid | metabolite |
benzoyl peroxide
Benzoyl Peroxide: A peroxide derivative that has been used topically for BURNS and as a dermatologic agent in the treatment of ACNE and POISON IVY DERMATITIS. It is used also as a bleach in the food industry. | 2.03 | 1 | 0 | carbonyl compound | |
4-butyrolactone
4-Butyrolactone: One of the FURANS with a carbonyl thereby forming a cyclic lactone. It is an endogenous compound made from gamma-aminobutyrate and is the precursor of gamma-hydroxybutyrate. It is also used as a pharmacological agent and solvent.. tetrahydrofuranone : Any oxolane having an oxo- substituent at any position on the tetrahydrofuran ring.. gamma-butyrolactone : A butan-4-olide that is tetrahydrofuran substituted by an oxo group at position 2. | 2.13 | 1 | 0 | butan-4-olide | metabolite;
neurotoxin |
dimethyl-4-toluidine
[no description available] | 2.03 | 1 | 0 | | |
isethionic acid
Isethionic Acid: A colorless, syrupy, strongly acidic liquid that can form detergents with oleic acid.. isethionic acid : An alkanesulfonic acid in which the sulfo group is directly linked to a 2-hydroxyethyl group. | 2.07 | 1 | 0 | alkanesulfonic acid | human metabolite |
vanillic acid
Vanillic Acid: A flavoring agent. It is the intermediate product in the two-step bioconversion of ferulic acid to vanillin. (J Biotechnol 1996;50(2-3):107-13).. vanillic acid : A monohydroxybenzoic acid that is 4-hydroxybenzoic acid substituted by a methoxy group at position 3. | 2.04 | 1 | 0 | methoxybenzoic acid;
monohydroxybenzoic acid | plant metabolite |
tropolone
Tropolone: A seven-membered aromatic ring compound. It is structurally related to a number of naturally occurring antifungal compounds (ANTIFUNGAL AGENTS).. tropolone : A cyclic ketone that is cyclohepta-2,4,6-trien-1-one substituted by a hydroxy group at position 2. It is a toxin produced by the agricultural pathogen Burkholderia plantarii. | 2.48 | 2 | 0 | alpha-hydroxy ketone;
cyclic ketone;
enol | bacterial metabolite;
fungicide;
toxin |
alpha-hydroxy-gamma-methylmercaptobutyric acid
alpha-hydroxy-gamma-methylmercaptobutyric acid: RN given refers to parent cpd | 2.17 | 1 | 0 | thia fatty acid | |
dimethyl disulfide
[no description available] | 2.44 | 2 | 0 | organic disulfide | xenobiotic metabolite |
d-alpha tocopherol
Vitamin E: A generic descriptor for all TOCOPHEROLS and TOCOTRIENOLS that exhibit ALPHA-TOCOPHEROL activity. By virtue of the phenolic hydrogen on the 2H-1-benzopyran-6-ol nucleus, these compounds exhibit varying degree of antioxidant activity, depending on the site and number of methyl groups and the type of ISOPRENOIDS.. tocopherol : A collective name for a group of closely related lipids that contain a chroman-6-ol nucleus substituted at position 2 by a methyl group and by a saturated hydrocarbon chain consisting of three isoprenoid units. They are designated as alpha-, beta-, gamma-, and delta-tocopherol depending on the number and position of additional methyl substituents on the aromatic ring. Tocopherols occur in vegetable oils and vegetable oil products, almost exclusively with R,R,R configuration. Tocotrienols differ from tocopherols only in having three double bonds in the hydrocarbon chain.. vitamin E : Any member of a group of fat-soluble chromanols that exhibit biological activity against vitamin E deficiency. The vitamers in this class consists of a chroman-6-ol core which is substituted at position 2 by a methyl group and (also at position 2) either a saturated or a triply-unsaturated hydrocarbon chain consisting of three isoprenoid units. The major function of vitamin E is to act as a natural antioxidant by scavenging free radicals and molecular oxygen.. (R,R,R)-alpha-tocopherol : An alpha-tocopherol that has R,R,R configuration. The naturally occurring stereoisomer of alpha-tocopherol, it is found particularly in sunflower and olive oils. | 2.02 | 1 | 0 | alpha-tocopherol | algal metabolite;
antiatherogenic agent;
anticoagulant;
antioxidant;
antiviral agent;
EC 2.7.11.13 (protein kinase C) inhibitor;
immunomodulator;
micronutrient;
nutraceutical;
plant metabolite |
2-(dimethylamino)ethyl methacrylate
2-(dimethylamino)ethyl methacrylate: reducing agent; structure given in first source | 2.03 | 1 | 0 | | |
carbonates
Carbonates: Salts or ions of the theoretical carbonic acid, containing the radical CO2(3-). Carbonates are readily decomposed by acids. The carbonates of the alkali metals are water-soluble; all others are insoluble. (From Grant & Hackh's Chemical Dictionary, 5th ed). carbonates : Organooxygen compounds that are salts or esters of carbonic acid, H2CO3. | 2.08 | 1 | 0 | carbon oxoanion | |
5-amino-1h-tetrazole
[no description available] | 2.41 | 1 | 0 | | |
deuterium
Deuterium: The stable isotope of hydrogen. It has one neutron and one proton in the nucleus. | 2.49 | 2 | 0 | dihydrogen | |
chlorine
Chlorine: An element with atomic symbol Cl, atomic number 17, and atomic weight 35, and member of the halogen family. | 2.01 | 1 | 0 | diatomic chlorine;
gas molecular entity | bleaching agent |
glutamic acid
Glutamic Acid: A non-essential amino acid naturally occurring in the L-form. Glutamic acid is the most common excitatory neurotransmitter in the CENTRAL NERVOUS SYSTEM.. glutamic acid : An alpha-amino acid that is glutaric acid bearing a single amino substituent at position 2. | 2.02 | 1 | 0 | glutamic acid;
glutamine family amino acid;
L-alpha-amino acid;
proteinogenic amino acid | Escherichia coli metabolite;
ferroptosis inducer;
micronutrient;
mouse metabolite;
neurotransmitter;
nutraceutical |
arsenobetaine
[no description available] | 2.07 | 1 | 0 | organic salt | |
methionine methyl ester
[no description available] | 1.97 | 1 | 0 | | |
coenzyme a
[no description available] | 2.52 | 2 | 0 | adenosine 3',5'-bisphosphate | coenzyme;
Escherichia coli metabolite;
mouse metabolite |
homocysteine
Homocysteine: A thiol-containing amino acid formed by a demethylation of METHIONINE.. homocysteine : A sulfur-containing amino acid consisting of a glycine core with a 2-mercaptoethyl side-chain.. L-homocysteine : A homocysteine that has L configuration. | 2.03 | 1 | 0 | amino acid zwitterion;
homocysteine;
serine family amino acid | fundamental metabolite;
mouse metabolite |
succinyl-coenzyme a
[no description available] | 2.05 | 1 | 0 | omega-carboxyacyl-CoA | Escherichia coli metabolite;
inhibitor;
mouse metabolite |
stachydrine
stachydrine: RN given refers to hydroxide inner salt (S)-isomer; structure. L-proline betaine : An amino acid betaine that is L-proline zwitterion in which both of the hydrogens attached to the nitrogen are replaced by methyl groups. | 2 | 1 | 0 | alkaloid;
amino-acid betaine;
N-methyl-L-alpha-amino acid | food component;
human blood serum metabolite;
plant metabolite |
o-(glucuronic acid 2-sulfate)-(1--4)-o-(2,5)-anhydromannitol 6-sulfate
O-(glucuronic acid 2-sulfate)-(1--4)-O-(2,5)-anhydromannitol 6-sulfate: disaccharide substrate derived from heparin | 1.99 | 1 | 0 | | |
xylose
xylopyranose: structure in first source | 2.02 | 1 | 0 | D-xylose | |
proline
Proline: A non-essential amino acid that is synthesized from GLUTAMIC ACID. It is an essential component of COLLAGEN and is important for proper functioning of joints and tendons.. proline : An alpha-amino acid that is pyrrolidine bearing a carboxy substituent at position 2. | 3.45 | 7 | 0 | amino acid zwitterion;
glutamine family amino acid;
L-alpha-amino acid;
proline;
proteinogenic amino acid | algal metabolite;
compatible osmolytes;
Escherichia coli metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
Saccharomyces cerevisiae metabolite |
3-mercapto-2-methylpropionic acid
3-mercapto-2-methylpropionic acid: RN given refers to parent cpd | 2.47 | 2 | 0 | | |
hydroxyl radical
Hydroxyl Radical: The univalent radical OH. Hydroxyl radical is a potent oxidizing agent. | 2.01 | 1 | 0 | oxygen hydride;
oxygen radical;
reactive oxygen species | |
dimethylsulfonioacetate
dimethylthetin: synthetic analog of glycine betaine; structure in first source | 3.06 | 5 | 0 | sulfonium betaine | |
s-adenosylhomocysteine
S-Adenosylhomocysteine: 5'-S-(3-Amino-3-carboxypropyl)-5'-thioadenosine. Formed from S-adenosylmethionine after transmethylation reactions.. S-adenosyl-L-homocysteine : An organic sulfide that is the S-adenosyl derivative of L-homocysteine. | 2.01 | 1 | 0 | adenosines;
amino acid zwitterion;
homocysteine derivative;
homocysteines;
organic sulfide | cofactor;
EC 2.1.1.72 [site-specific DNA-methyltransferase (adenine-specific)] inhibitor;
EC 2.1.1.79 (cyclopropane-fatty-acyl-phospholipid synthase) inhibitor;
epitope;
fundamental metabolite |
5'-methylthioadenosine
5'-methylthioadenosine: structure. 5'-S-methyl-5'-thioadenosine : Adenosine with the hydroxy group at C-5' substituted with a methylthio (methylsulfanyl) group. | 2.01 | 1 | 0 | thioadenosine | algal metabolite;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
acetyl coenzyme a
Acetyl Coenzyme A: Acetyl CoA participates in the biosynthesis of fatty acids and sterols, in the oxidation of fatty acids and in the metabolism of many amino acids. It also acts as a biological acetylating agent. | 2.75 | 3 | 0 | acyl-CoA | acyl donor;
coenzyme;
effector;
fundamental metabolite |
ferulic acid
ferulate : A monocarboxylic acid anion obtained by the deprotonation of the carboxy group of ferulic acid. | 2.02 | 1 | 0 | ferulic acids | anti-inflammatory agent;
antioxidant;
apoptosis inhibitor;
cardioprotective agent;
MALDI matrix material;
plant metabolite |
sodium bicarbonate
Sodium Bicarbonate: A white, crystalline powder that is commonly used as a pH buffering agent, an electrolyte replenisher, systemic alkalizer and in topical cleansing solutions. | 2.08 | 1 | 0 | one-carbon compound;
organic sodium salt | antacid;
food anticaking agent |
sesquiterpenes
[no description available] | 2.03 | 1 | 0 | | |
thiourea
Thiourea: A photographic fixative used also in the manufacture of resins. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), this substance may reasonably be anticipated to be a carcinogen (Merck Index, 9th ed). Many of its derivatives are ANTITHYROID AGENTS and/or FREE RADICAL SCAVENGERS.. thiourea : The simplest member of the thiourea class, consisting of urea with the oxygen atom substituted by sulfur. | 2.03 | 1 | 0 | one-carbon compound;
thioureas;
ureas | antioxidant;
chromophore |
homoserine lactone
homoserine lactone: a putative signal for starvation in E. coli; structure in first source. homoserinium lactone : The conjugate acid of homoserine lactone; major species at pH 7.3.. homoserine lactone : A butan-4-olide having an amino substituent at the 2-position. | 2.13 | 1 | 0 | ammonium ion derivative;
organic cation | |
2-mercaptoacetate
2-mercaptoacetate: RN given refers to parent cpd | 2.1 | 1 | 0 | monocarboxylic acid anion | |
fucoxanthin
fucoxanthin: RN given refers to (3S,3'S,5R,5'R,6S,6'R)-isomer. fucoxanthin : An epoxycarotenol that is found in brown seaweed and which exhibits anti-cancer, anti-diabetic, anti-oxidative and neuroprotective properties. | 2.1 | 1 | 0 | | |
caulerpenyne
caulerpenyne: from the marine algae Caulerpa taxifolia; structure in first source | 2.03 | 1 | 0 | | |
arsenic
Arsenic: A shiny gray element with atomic symbol As, atomic number 33, and atomic weight 75. It occurs throughout the universe, mostly in the form of metallic arsenides. Most forms are toxic. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), arsenic and certain arsenic compounds have been listed as known carcinogens. (From Merck Index, 11th ed) | 2.07 | 1 | 0 | metalloid atom;
pnictogen | micronutrient |
sulfur
Sulfur: An element that is a member of the chalcogen family. It has an atomic symbol S, atomic number 16, and atomic weight [32.059; 32.076]. It is found in the amino acids cysteine and methionine. | 7.06 | 56 | 0 | chalcogen;
nonmetal atom | macronutrient |
phosphorus
Phosphorus: A non-metal element that has the atomic symbol P, atomic number 15, and atomic weight 31. It is an essential element that takes part in a broad variety of biochemical reactions. | 2.03 | 1 | 0 | monoatomic phosphorus;
nonmetal atom;
pnictogen | macronutrient |
selenium
Selenium: An element with the atomic symbol Se, atomic number 34, and atomic weight 78.97. It is an essential micronutrient for mammals and other animals but is toxic in large amounts. Selenium protects intracellular structures against oxidative damage. It is an essential component of GLUTATHIONE PEROXIDASE. | 2.05 | 1 | 0 | chalcogen;
nonmetal atom | micronutrient |
acryloyl-coenzyme a
acryloyl-coenzyme A: used by Clostridium propionicum in the conversion of lactate to propionate. acryloyl-CoA : The S-acryloyl derivative of coenzyme A. | 2.61 | 2 | 0 | 2-enoyl-CoA;
monounsaturated fatty acyl-CoA | mouse metabolite |
vitamin u
Vitamin U: A vitamin found in green vegetables. It is used in the treatment of peptic ulcers, colitis, and gastritis and has an effect on secretory, acid-forming, and enzymatic functions of the intestinal tract.. S-methyl-L-methioninate : A sulfonium betaine that is a conjugate base of S-methyl-L-methionine obtained by the deprotonation of the carboxy group. | 2.91 | 4 | 0 | methyl-L-methionine;
sulfonium betaine | |
bacteriochlorophylls
Bacteriochlorophyll A: A specific bacteriochlorophyll that is similar in structure to chlorophyll a.. bacteriochlorophyll : Chlorophylls of photosynthetic bacteria. | 2.06 | 1 | 0 | bacteriochlorophyll;
methyl ester | |
chlorophyll a
Chlorophyll: Porphyrin derivatives containing magnesium that act to convert light energy in photosynthetic organisms.. chlorophyll : A family of magnesium porphyrins, defined by the presence of a fifth ring beyond the four pyrrole-like rings. The rings can have various side chains which usually include a long phytol chain. | 4.06 | 14 | 0 | chlorophyll;
methyl ester | cofactor |
s-adenosylmethionine
(R)-S-adenosyl-L-methionine : An S-adenosyl-L-methionine that has R-configuration.. S-adenosyl-L-methionine zwitterion : A zwitterionic tautomer of S-adenosyl-L-methionine arising from shift of the proton from the carboxy group to the amino group.. (R)-S-adenosyl-L-methionine zwitterion : An S-adenosyl-L-methionine zwitterion that has R-configuration; major species at pH 7.3.. (S)-S-adenosyl-L-methionine zwitterion : An S-adenosyl-L-methionine zwitterion that has S-configuration; major species at pH 7.3.. S-adenosyl-L-methionine : A sulfonium compound that is the S-adenosyl derivative of L-methionine. It is an intermediate in the metabolic pathway of methionine. | 2.44 | 2 | 0 | organic cation;
sulfonium compound | coenzyme;
cofactor;
human metabolite;
micronutrient;
Mycoplasma genitalium metabolite;
nutraceutical;
Saccharomyces cerevisiae metabolite |
tropodithietic acid
tropodithietic acid: structure in first source. tropodithietic acid : A monocarboxylic acid that is 8,9-dithiabicyclo[5.2.0]nona-1,3,6-triene substituted by a carboxy group at position 2 and an oxo group at position 3. It is a broad spectrum antibiotic produced by the marine bacterium Phaeobacter inhibens that also acts as a signalling molecule at lower concentrations. | 2.48 | 2 | 0 | cyclic ketone;
monocarboxylic acid;
organic disulfide;
organic heterobicyclic compound;
organosulfur heterocyclic compound | antibacterial agent;
bacterial metabolite;
marine metabolite;
signalling molecule;
toxin |
vitamin b 12
Vitamin B 12: A cobalt-containing coordination compound produced by intestinal micro-organisms and found also in soil and water. Higher plants do not concentrate vitamin B 12 from the soil and so are a poor source of the substance as compared with animal tissues. INTRINSIC FACTOR is important for the assimilation of vitamin B 12. | 2.05 | 1 | 0 | | |
folic acid
folcysteine: used to promote fertility in chickens. vitamin B9 : Any B-vitamin that exhibits biological activity against vitamin B9 deficiency. Vitamin B9 refers to the many forms of folic acid and its derivatives, including tetrahydrofolic acid (the active form), methyltetrahydrofolate (the primary form found in blood), methenyltetrahydrofolate, folinic acid amongst others. They are present in abundance in green leafy vegetables, citrus fruits, and animal products. Lack of vitamin B9 leads to anemia, a condition in which the body cannot produce sufficient number of red blood cells. Symptoms of vitamin B9 deficiency include fatigue, muscle weakness, and pale skin. | 2.03 | 1 | 0 | folic acids;
N-acyl-amino acid | human metabolite;
mouse metabolite;
nutrient |
pheophytin a
pheophytin a: structure given in first source; RN given refers to (3S-(3alpha(2E,7S*,11S*),4beta,21beta))-isomer | 4.04 | 13 | 0 | | |
5,6,7,8-tetrahydrofolic acid
5,6,7,8-tetrahydrofolic acid: RN given refers to (DL)-isomer | 2.43 | 2 | 0 | tetrahydrofolic acid | |