alpha-aceto-alpha-hydroxybutyrate
alpha-aceto-alpha-hydroxybutyrate: RN given refers to cpd without isomeric designation | 4.2 | 5 | 0 | hydroxy fatty acid | |
2-oxo-3-methylvalerate
alpha-keto-beta-methylvaleric acid: RN given refers to parent cpd. 3-methyl-2-oxovaleric acid : A 2-oxo monocarboxylic acid that is valeric acid carrying oxo- and methyl substituents at C-2 and C-3, respectively. An alpha-keto acid analogue and metabolite of isoleucine in man, animals and bacteria. Used as a clinical marker for maple syrup urine disease (MSUD). | 2.42 | 2 | 0 | 2-oxo monocarboxylic acid;
branched-chain keto acid | human metabolite |
alpha-ketoisovalerate
alpha-ketoisovalerate: RN given refers to parent cpd. 3-methyl-2-oxobutanoate : A 2-oxo monocarboxylic acid anion that is the conjugate base of 3-methyl-2-oxobutanoic acid, arising from deprotonation of the carboxy group.. 3-methyl-2-oxobutanoic acid : A 2-oxo monocarboxylic acid that is the 2-oxo derivative of isovaleric acid. | 3.64 | 9 | 0 | 2-oxo monocarboxylic acid;
branched-chain keto acid | human metabolite;
Saccharomyces cerevisiae metabolite |
2-keto-4-methylvalerate
alpha-ketoisocaproic acid: RN given refers to parent cpd. 4-methyl-2-oxopentanoate : A 2-oxo monocarboxylic acid anion that is the conjugate base of 4-methyl-2-oxopentanoic acid.. 4-methyl-2-oxopentanoic acid : A 2-oxo monocarboxylic acid that is pentanoic acid (valeric acid) substituted with a keto group at C-2 and a methyl group at C-4. A metabolite that has been found to accumulate in maple syrup urine disease. | 2.42 | 2 | 0 | 2-oxo monocarboxylic acid;
branched-chain keto acid | algal metabolite;
human metabolite |
3-chloroalanine
3-chloroalanine: RN given refers to parent cpd without isomeric designation. 3-chloroalanine : A chloroalanine obtained by replacement of one of the methyl hydrogens of alanine by a chloro group. | 2.02 | 1 | 0 | chloroalanine;
non-proteinogenic alpha-amino acid;
organochlorine compound | |
acetoacetic acid
acetoacetic acid : A 3-oxo monocarboxylic acid that is butyric acid bearing a 3-oxo substituent. | 2.39 | 2 | 0 | 3-oxo fatty acid;
ketone body | metabolite |
4-hydroxyphenylacetic acid
4-hydroxyphenylacetic acid : A monocarboxylic acid that is acetic acid in which one of the methyl hydrogens is substituted by a 4-hydroxyphenyl group. | 1.96 | 1 | 0 | monocarboxylic acid;
phenols | fungal metabolite;
human metabolite;
mouse metabolite;
plant metabolite |
ethylene glycol
Ethylene Glycol: A colorless, odorless, viscous dihydroxy alcohol. It has a sweet taste, but is poisonous if ingested. Ethylene glycol is the most important glycol commercially available and is manufactured on a large scale in the United States. It is used as an antifreeze and coolant, in hydraulic fluids, and in the manufacture of low-freezing dynamites and resins.. ethanediol : Any diol that is ethane or substituted ethane carrying two hydroxy groups.. ethylene glycol : A 1,2-glycol compound produced via reaction of ethylene oxide with water. | 2.03 | 1 | 0 | ethanediol;
glycol | metabolite;
mouse metabolite;
solvent;
toxin |
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. | 2.38 | 2 | 0 | monocarboxylic acid | antimicrobial food preservative;
Daphnia magna metabolite;
food acidity regulator;
protic solvent |
acetaldehyde
Acetaldehyde: A colorless, flammable liquid used in the manufacture of acetic acid, perfumes, and flavors. It is also an intermediate in the metabolism of alcohol. It has a general narcotic action and also causes irritation of mucous membranes. Large doses may cause death from respiratory paralysis.. acetaldehyde : The aldehyde formed from acetic acid by reduction of the carboxy group. It is the most abundant carcinogen in tobacco smoke.. aldehyde : A compound RC(=O)H, in which a carbonyl group is bonded to one hydrogen atom and to one R group.. acetyl group : A group, formally derived from acetic acid by dehydroxylation, which is fundamental to the biochemistry of all forms of life. When bound to coenzyme A, it is central to the metabolism of carbohydrates and fats. | 2.42 | 2 | 0 | aldehyde | carcinogenic agent;
EC 3.5.1.4 (amidase) inhibitor;
electron acceptor;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
mutagen;
oxidising agent;
Saccharomyces cerevisiae metabolite;
teratogenic agent |
ammonium hydroxide
azane : Saturated acyclic nitrogen hydrides having the general formula NnHn+2. | 3.66 | 9 | 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 |
beta-alanine
[no description available] | 2.41 | 2 | 0 | amino acid zwitterion;
beta-amino acid | agonist;
fundamental metabolite;
human metabolite;
inhibitor;
neurotransmitter |
benzaldehyde
[no description available] | 2.44 | 2 | 0 | benzaldehydes | EC 3.1.1.3 (triacylglycerol lipase) inhibitor;
EC 3.5.5.1 (nitrilase) inhibitor;
flavouring agent;
fragrance;
odorant receptor agonist;
plant metabolite |
benzoic acid
Benzoic Acid: A fungistatic compound that is widely used as a food preservative. It is conjugated to GLYCINE in the liver and excreted as hippuric acid.. benzoic acid : A compound comprising a benzene ring core carrying a carboxylic acid substituent.. aromatic carboxylic acid : Any carboxylic acid in which the carboxy group is directly bonded to an aromatic ring. | 2.42 | 2 | 0 | benzoic acids | algal metabolite;
antimicrobial food preservative;
drug allergen;
EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor;
EC 3.1.1.3 (triacylglycerol lipase) inhibitor;
human xenobiotic metabolite;
plant metabolite |
1-butanol
1-Butanol: A four carbon linear hydrocarbon that has a hydroxy group at position 1.. butan-1-ol : A primary alcohol that is butane in which a hydrogen of one of the methyl groups is substituted by a hydroxy group. It it produced in small amounts in humans by the gut microbes. | 2.04 | 1 | 0 | alkyl alcohol;
primary alcohol;
short-chain primary fatty alcohol | human metabolite;
mouse metabolite;
protic solvent |
butyric acid
Butyric Acid: A four carbon acid, CH3CH2CH2COOH, with an unpleasant odor that occurs in butter and animal fat as the glycerol ester.. butyrate : A short-chain fatty acid anion that is the conjugate base of butyric acid, obtained by deprotonation of the carboxy group.. butyric acid : A straight-chain saturated fatty acid that is butane in which one of the terminal methyl groups has been oxidised to a carboxy group. | 1.99 | 1 | 0 | fatty acid 4:0;
straight-chain saturated fatty acid | human urinary metabolite;
Mycoplasma genitalium metabolite |
carbamates
[no description available] | 1.94 | 1 | 0 | amino-acid anion | |
formic acid
formic acid: RN given refers to parent cpd. formic acid : The simplest carboxylic acid, containing a single carbon. Occurs naturally in various sources including the venom of bee and ant stings, and is a useful organic synthetic reagent. Principally used as a preservative and antibacterial agent in livestock feed. Induces severe metabolic acidosis and ocular injury in human subjects. | 1.99 | 1 | 0 | monocarboxylic acid | antibacterial agent;
astringent;
metabolite;
protic solvent;
solvent |
aminooxyacetic acid
Aminooxyacetic Acid: A compound that inhibits aminobutyrate aminotransferase activity in vivo, thereby raising the level of gamma-aminobutyric acid in tissues.. (aminooxy)acetic acid : A member of the class of hydroxylamines that is acetic acid substituted at postion 2 by an aminooxy group. It is a compound which inhibits aminobutyrate aminotransferase activity in vivo, resulting in increased levels of gamma-aminobutyric acid in tissues. | 2.37 | 2 | 0 | amino acid;
hydroxylamines;
monocarboxylic acid | anticonvulsant;
EC 2.6.1.19 (4-aminobutyrate--2-oxoglutarate transaminase) inhibitor;
EC 4.2.1.22 (cystathionine beta-synthase) inhibitor;
nootropic agent |
carnitine
[no description available] | 1.96 | 1 | 0 | amino-acid betaine | human metabolite;
mouse metabolite |
hydrogen sulfide
Hydrogen Sulfide: A flammable, poisonous gas with a characteristic odor of rotten eggs. It is used in the manufacture of chemicals, in metallurgy, and as an analytical reagent. (From Merck Index, 11th ed). hydrogen sulfide : A sulfur hydride consisting of a single sulfur atom bonded to two hydrogen atoms. A highly poisonous, flammable gas with a characteristic odour of rotten eggs, it is often produced by bacterial decomposition of organic matter in the absence of oxygen.. thiol : An organosulfur compound in which a thiol group, -SH, is attached to a carbon atom of any aliphatic or aromatic moiety. | 2.46 | 2 | 0 | gas molecular entity;
hydracid;
mononuclear parent hydride;
sulfur hydride | Escherichia coli metabolite;
genotoxin;
metabolite;
signalling molecule;
toxin;
vasodilator agent |
3-hydroxybutyric acid
3-Hydroxybutyric Acid: BUTYRIC ACID substituted in the beta or 3 position. It is one of the ketone bodies produced in the liver.. 3-hydroxybutyric acid : A straight-chain 3-hydroxy monocarboxylic acid comprising a butyric acid core with a single hydroxy substituent in the 3- position; a ketone body whose levels are raised during ketosis, used as an energy source by the brain during fasting in humans. Also used to synthesise biodegradable plastics. | 2.69 | 3 | 0 | (omega-1)-hydroxy fatty acid;
3-hydroxy monocarboxylic acid;
hydroxybutyric acid | human metabolite |
hippuric acid
hippuric acid: RN given refers to parent cpd; structure in Merck Index, 9th ed, #4591. N-benzoylglycine : An N-acylglycine in which the acyl group is specified as benzoyl. | 2.01 | 1 | 0 | N-acylglycine | human blood serum metabolite;
uremic toxin |
2-keto-4-methylthiobutyric acid
2-keto-4-methylthiobutyric acid: RN given refers to parent cpd; structure. 4-methylthio-2-oxobutanoic acid : A 2-oxo monocarboxylic acid derived from L-methionine via the action of methionine transaminase. | 2.02 | 1 | 0 | omega-(methylthio)-2-oxocarboxylic acid | |
methylmalonic acid
Methylmalonic Acid: A malonic acid derivative which is a vital intermediate in the metabolism of fat and protein. Abnormalities in methylmalonic acid metabolism lead to methylmalonic aciduria. This metabolic disease is attributed to a block in the enzymatic conversion of methylmalonyl CoA to succinyl CoA.. methylmalonic acid : A dicarboxylic acid that is malonic acid in which one of the methylene hydrogens is substituted by a methyl group. | 2 | 1 | 0 | C4-dicarboxylic acid | human metabolite |
1-aminocyclopropane-1-carboxylic acid
1-aminocyclopropanecarboxylic acid : A non-proteinogenic alpha-amino acid consisting of cyclopropane having amino and carboxy substituents both at the 1-position. | 2.45 | 2 | 0 | amino acid zwitterion;
monocarboxylic acid;
non-proteinogenic alpha-amino acid | ethylene releasers;
plant metabolite |
lactic acid
Lactic Acid: A normal intermediate in the fermentation (oxidation, metabolism) of sugar. The concentrated form is used internally to prevent gastrointestinal fermentation. (From Stedman, 26th ed). 2-hydroxypropanoic acid : A 2-hydroxy monocarboxylic acid that is propanoic acid in which one of the alpha-hydrogens is replaced by a hydroxy group. | 2.42 | 2 | 0 | 2-hydroxy monocarboxylic acid | algal metabolite;
Daphnia magna metabolite |
glycine
[no description available] | 2.69 | 3 | 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 |
glycerol
Moon: The natural satellite of the planet Earth. It includes the lunar cycles or phases, the lunar month, lunar landscapes, geography, and soil. | 2.51 | 2 | 0 | alditol;
triol | algal metabolite;
detergent;
Escherichia coli metabolite;
geroprotector;
human metabolite;
mouse metabolite;
osmolyte;
Saccharomyces cerevisiae metabolite;
solvent |
glycolic acid
glycolic acid: RN given refers to parent cpd. glycolic acid : A 2-hydroxy monocarboxylic acid that is acetic acid where the methyl group has been hydroxylated. | 2.39 | 2 | 0 | 2-hydroxy monocarboxylic acid;
primary alcohol | keratolytic drug;
metabolite |
glyoxylic acid
glyoxylic acid: RN given refers to parent cpd. glyoxylic acid : A 2-oxo monocarboxylic acid that is acetic acid bearing an oxo group at the alpha carbon atom. | 2.7 | 3 | 0 | 2-oxo monocarboxylic acid;
aldehydic acid | Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
carbonic acid
Carbonic Acid: Carbonic acid (H2C03). The hypothetical acid of carbon dioxide and water. It exists only in the form of its salts (carbonates), acid salts (hydrogen carbonates), amines (carbamic acid), and acid chlorides (carbonyl chloride). (From Grant & Hackh's Chemical Dictionary, 5th ed) | 2 | 1 | 0 | carbon oxoacid;
chalcocarbonic acid | mouse 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 | 2.78 | 3 | 0 | alkanethiol | human metabolite;
Saccharomyces cerevisiae metabolite |
hydroxypyruvic acid
hydroxypyruvic acid: RN given refers to parent cpd. 3-hydroxypyruvic acid : A 2-oxo monocarboxylic acid that is pyruvic acid in which one of the methyl hydrogens is substituted by a hydroxy group. It is an intermediate involved in the glycine and serine metabolism. | 2.92 | 4 | 0 | 2-oxo monocarboxylic acid;
3-hydroxy monocarboxylic acid;
primary alpha-hydroxy ketone | Escherichia coli metabolite;
human metabolite |
oxaloacetic acid
Oxaloacetic Acid: A dicarboxylic acid ketone that is an important metabolic intermediate of the CITRIC ACID CYCLE. It can be converted to ASPARTIC ACID by ASPARTATE TRANSAMINASE.. oxaloacetic acid : An oxodicarboxylic acid that is succinic acid bearing a single oxo group. | 2.41 | 2 | 0 | C4-dicarboxylic acid;
oxo dicarboxylic acid | geroprotector;
metabolite |
oxamic acid
Oxamic Acid: Amino-substituted glyoxylic acid derivative.. oxamic acid : A dicarboxylic acid monoamide resulting from the formal condensation of one of the carboxy groups of oxalic acid with ammonia. | 2 | 1 | 0 | dicarboxylic acid monoamide | Escherichia coli metabolite |
palmitic acid
Palmitic Acid: A common saturated fatty acid found in fats and waxes including olive oil, palm oil, and body lipids.. hexadecanoic acid : A straight-chain, sixteen-carbon, saturated long-chain fatty acid. | 1.96 | 1 | 0 | long-chain fatty acid;
straight-chain saturated fatty acid | algal metabolite;
Daphnia magna metabolite;
EC 1.1.1.189 (prostaglandin-E2 9-reductase) inhibitor;
plant metabolite |
phenylpyruvic acid
phenylpyruvic acid: RN given refers to parent cpd. phenylpyruvate : A 2-oxo monocarboxylic acid anion resulting from deprotonation of the carboxy group of either keto- or enol-phenylpyruvic acid.. keto-phenylpyruvic acid : A 2-oxo monocarboxylic acid that is 3-phenylpropanoic acid substituted by an oxo group at position 2. It is an intermediate metabolite in the phenylalanine pathway. | 3.39 | 7 | 0 | 2-oxo monocarboxylic acid | chromogenic compound;
EC 6.4.1.1 (pyruvate carboxylase) inhibitor;
fundamental metabolite |
propylene glycol
Propylene Glycol: A clear, colorless, viscous organic solvent and diluent used in pharmaceutical preparations.. propane-1,2-diol : The simplest member of the class of propane-1,2-diols, consisting of propane in which a hydrogen at position 1 and a hydrogen at position 2 are substituted by hydroxy groups. A colourless, viscous, hygroscopic, low-melting (-59degreeC) and high-boiling (188degreeC) liquid with low toxicity, it is used as a solvent, emulsifying agent, and antifreeze. | 2.01 | 1 | 0 | glycol;
propane-1,2-diols | allergen;
human xenobiotic metabolite;
mouse metabolite;
protic solvent |
1-propanol
1-Propanol: A colorless liquid made by oxidation of aliphatic hydrocarbons that is used as a solvent and chemical intermediate.. propan-1-ol : The parent member of the class of propan-1-ols that is propane in which a hydrogen of one of the methyl groups is replaced by a hydroxy group. | 2.46 | 2 | 0 | propan-1-ols;
short-chain primary fatty alcohol | metabolite;
protic solvent |
propionic acid
propionic acid : A short-chain saturated fatty acid comprising ethane attached to the carbon of a carboxy group. | 2.39 | 2 | 0 | saturated fatty acid;
short-chain fatty acid | antifungal drug |
pyridoxal phosphate
Pyridoxal Phosphate: This is the active form of VITAMIN B 6 serving as a coenzyme for synthesis of amino acids, neurotransmitters (serotonin, norepinephrine), sphingolipids, aminolevulinic acid. During transamination of amino acids, pyridoxal phosphate is transiently converted into pyridoxamine phosphate (PYRIDOXAMINE).. pyridoxal 5'-phosphate : The monophosphate ester obtained by condensation of phosphoric acid with the primary hydroxy group of pyridoxal. | 3.4 | 7 | 0 | methylpyridines;
monohydroxypyridine;
pyridinecarbaldehyde;
vitamin B6 phosphate | coenzyme;
cofactor;
EC 2.7.7.7 (DNA-directed DNA polymerase) inhibitor;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
pyruvic acid
Pyruvic Acid: An intermediate compound in the metabolism of carbohydrates, proteins, and fats. In thiamine deficiency, its oxidation is retarded and it accumulates in the tissues, especially in nervous structures. (From Stedman, 26th ed). pyruvic acid : A 2-oxo monocarboxylic acid that is the 2-keto derivative of propionic acid. It is a metabolite obtained during glycolysis. | 6.9 | 35 | 0 | 2-oxo monocarboxylic acid | cofactor;
fundamental metabolite |
dithionite
Dithionite: Dithionite. The dithionous acid ion and its salts. | 1.96 | 1 | 0 | sulfur oxide;
sulfur oxoanion | |
succinic acid
Succinic Acid: A water-soluble, colorless crystal with an acid taste that is used as a chemical intermediate, in medicine, the manufacture of lacquers, and to make perfume esters. It is also used in foods as a sequestrant, buffer, and a neutralizing agent. (Hawley's Condensed Chemical Dictionary, 12th ed, p1099; McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed, p1851). succinic acid : An alpha,omega-dicarboxylic acid resulting from the formal oxidation of each of the terminal methyl groups of butane to the corresponding carboxy group. It is an intermediate metabolite in the citric acid cycle. | 1.96 | 1 | 0 | alpha,omega-dicarboxylic acid;
C4-dicarboxylic acid | anti-ulcer drug;
fundamental metabolite;
micronutrient;
nutraceutical;
radiation protective agent |
taurine
[no description available] | 2 | 1 | 0 | amino sulfonic acid;
zwitterion | antioxidant;
Escherichia coli metabolite;
glycine receptor agonist;
human metabolite;
mouse metabolite;
nutrient;
radical scavenger;
Saccharomyces cerevisiae metabolite |
thiamine
thiamine(1+) : A primary alcohol that is 1,3-thiazol-3-ium substituted by (4-amino-2-methylpyrimidin-5-yl)methyl, methyl and 2-hydroxyethyl groups at positions 3, 4 and 5, respectively. | 7.35 | 2 | 0 | primary alcohol;
vitamin B1 | Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
urea
pseudourea: clinical use; structure. isourea : A carboximidic acid that is the imidic acid tautomer of urea, H2NC(=NH)OH, and its hydrocarbyl derivatives. | 1.94 | 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 |
tramiprosate
tramiprosate: GABA receptor agonist and a glycosaminoglycan mimetic; has nootropic acitivity; structure; a sulfonate analog of GABA. 3-aminopropanesulfonic acid : An amino sulfonic acid that is the 3-amino derivative of propanesulfonic acid. | 2 | 1 | 0 | amino sulfonic acid;
zwitterion | algal metabolite;
anti-inflammatory agent;
anticonvulsant;
GABA agonist;
nootropic agent |
alpha-cyano-4-hydroxycinnamate
alpha-cyano-4-hydroxycinnamate: specific inhibitor of pyruvate transport in rat liver mitochondria & human erythrocytes; structure | 2 | 1 | 0 | | |
berberine
[no description available] | 2.15 | 1 | 0 | alkaloid antibiotic;
berberine alkaloid;
botanical anti-fungal agent;
organic heteropentacyclic compound | antilipemic drug;
antineoplastic agent;
antioxidant;
EC 1.1.1.141 [15-hydroxyprostaglandin dehydrogenase (NAD(+))] inhibitor;
EC 1.1.1.21 (aldehyde reductase) inhibitor;
EC 1.13.11.52 (indoleamine 2,3-dioxygenase) inhibitor;
EC 1.21.3.3 (reticuline oxidase) inhibitor;
EC 2.1.1.116 [3'-hydroxy-N-methyl-(S)-coclaurine 4'-O-methyltransferase] inhibitor;
EC 2.1.1.122 [(S)-tetrahydroprotoberberine N-methyltransferase] inhibitor;
EC 2.7.11.10 (IkappaB kinase) inhibitor;
EC 3.1.1.4 (phospholipase A2) inhibitor;
EC 3.1.1.7 (acetylcholinesterase) inhibitor;
EC 3.1.1.8 (cholinesterase) inhibitor;
EC 3.1.3.48 (protein-tyrosine-phosphatase) inhibitor;
EC 3.4.14.5 (dipeptidyl-peptidase IV) inhibitor;
EC 3.4.21.26 (prolyl oligopeptidase) inhibitor;
geroprotector;
hypoglycemic agent;
metabolite;
potassium channel blocker |
verapamil
Verapamil: A calcium channel blocker that is a class IV anti-arrhythmia agent.. verapamil : A racemate comprising equimolar amounts of dexverapamil and (S)-verapamil. An L-type calcium channel blocker of the phenylalkylamine class, it is used (particularly as the hydrochloride salt) in the treatment of hypertension, angina pectoris and cardiac arrhythmia, and as a preventive medication for migraine.. 2-(3,4-dimethoxyphenyl)-5-{[2-(3,4-dimethoxyphenyl)ethyl](methyl)amino}-2-(propan-2-yl)pentanenitrile : A tertiary amino compound that is 3,4-dimethoxyphenylethylamine in which the hydrogens attached to the nitrogen are replaced by a methyl group and a 4-cyano-4-(3,4-dimethoxyphenyl)-5-methylhexyl group. | 2 | 1 | 0 | aromatic ether;
nitrile;
polyether;
tertiary amino compound | |
4-cresol
4-cresol: RN given refers to parent cpd. p-cresol : A cresol that consists of toluene substituted by a hydroxy group at position 4. It is a metabolite of aromatic amino acid metabolism produced by intestinal microflora in humans and animals. | 1.96 | 1 | 0 | cresol | Escherichia coli metabolite;
human metabolite;
uremic toxin |
diazoxide
Diazoxide: A benzothiadiazine derivative that is a peripheral vasodilator used for hypertensive emergencies. It lacks diuretic effect, apparently because it lacks a sulfonamide group.. diazoxide : A benzothiadiazine that is the S,S-dioxide of 2H-1,2,4-benzothiadiazine which is substituted at position 3 by a methyl group and at position 7 by chlorine. A peripheral vasodilator, it increases the concentration of glucose in the plasma and inhibits the secretion of insulin by the beta- cells of the pancreas. It is used orally in the management of intractable hypoglycaemia and intravenously in the management of hypertensive emergencies. | 2 | 1 | 0 | benzothiadiazine;
organochlorine compound;
sulfone | antihypertensive agent;
beta-adrenergic agonist;
bronchodilator agent;
cardiotonic drug;
diuretic;
K-ATP channel agonist;
sodium channel blocker;
sympathomimetic agent;
vasodilator agent |
valproic acid
Valproic Acid: A fatty acid with anticonvulsant and anti-manic properties that is used in the treatment of EPILEPSY and BIPOLAR DISORDER. The mechanisms of its therapeutic actions are not well understood. It may act by increasing GAMMA-AMINOBUTYRIC ACID levels in the brain or by altering the properties of VOLTAGE-GATED SODIUM CHANNELS.. valproic acid : A branched-chain saturated fatty acid that comprises of a propyl substituent on a pentanoic acid stem. | 1.96 | 1 | 0 | branched-chain fatty acid;
branched-chain saturated fatty acid | anticonvulsant;
antimanic drug;
EC 3.5.1.98 (histone deacetylase) inhibitor;
GABA agent;
neuroprotective agent;
psychotropic drug;
teratogenic agent |
gossypol
Gossypol: A dimeric sesquiterpene found in cottonseed (GOSSYPIUM). The (-) isomer is active as a male contraceptive (CONTRACEPTIVE AGENTS, MALE) whereas toxic symptoms are associated with the (+) isomer. | 1.96 | 1 | 0 | | |
1-methyl-3-isobutylxanthine
1-Methyl-3-isobutylxanthine: A potent cyclic nucleotide phosphodiesterase inhibitor; due to this action, the compound increases cyclic AMP and cyclic GMP in tissue and thereby activates CYCLIC NUCLEOTIDE-REGULATED PROTEIN KINASES. 3-isobutyl-1-methylxanthine : An oxopurine that is xanthine which is substituted at positions 1 and 3 by methyl and isobutyl groups, respectively. | 2 | 1 | 0 | 3-isobutyl-1-methylxanthine | |
metformin
Metformin: A biguanide hypoglycemic agent used in the treatment of non-insulin-dependent diabetes mellitus not responding to dietary modification. Metformin improves glycemic control by improving insulin sensitivity and decreasing intestinal absorption of glucose. (From Martindale, The Extra Pharmacopoeia, 30th ed, p289). metformin : A member of the class of guanidines that is biguanide the carrying two methyl substituents at position 1. | 2.21 | 1 | 0 | guanidines | environmental contaminant;
geroprotector;
hypoglycemic agent;
xenobiotic |
5-nitro-2-(3-phenylpropylamino)benzoic acid
5-nitro-2-(3-phenylpropylamino)benzoic acid: structure given in first source; chloride channel antagonist | 2 | 1 | 0 | nitrobenzoic acid | |
phloretin
[no description available] | 2 | 1 | 0 | dihydrochalcones | antineoplastic agent;
plant metabolite |
potassium iodide
Potassium Iodide: An inorganic compound that is used as a source of iodine in thyrotoxic crisis and in the preparation of thyrotoxic patients for thyroidectomy. (From Dorland, 27th ed). potassium iodide : A metal iodide salt with a K(+) counterion. It is a scavenger of hydroxyl radicals. | 1.96 | 1 | 0 | potassium salt | expectorant;
radical scavenger |
probenecid
Probenecid: The prototypical uricosuric agent. It inhibits the renal excretion of organic anions and reduces tubular reabsorption of urate. Probenecid has also been used to treat patients with renal impairment, and, because it reduces the renal tubular excretion of other drugs, has been used as an adjunct to antibacterial therapy.. probenecid : A sulfonamide in which the nitrogen of 4-sulfamoylbenzoic acid is substituted with two propyl groups. | 1.97 | 1 | 0 | benzoic acids;
sulfonamide | uricosuric drug |
alanine
Alanine: A non-essential amino acid that occurs in high levels in its free state in plasma. It is produced from pyruvate by transamination. It is involved in sugar and acid metabolism, increases IMMUNITY, and provides energy for muscle tissue, BRAIN, and the CENTRAL NERVOUS SYSTEM.. alanine : An alpha-amino acid that consists of propionic acid bearing an amino substituent at position 2. | 2.02 | 1 | 0 | alanine zwitterion;
alanine;
L-alpha-amino acid;
proteinogenic amino acid;
pyruvate family amino acid | EC 4.3.1.15 (diaminopropionate ammonia-lyase) inhibitor;
fundamental metabolite |
serine
Serine: A non-essential amino acid occurring in natural form as the L-isomer. It is synthesized from GLYCINE or THREONINE. It is involved in the biosynthesis of PURINES; PYRIMIDINES; and other amino acids.. serine : An alpha-amino acid that is alanine substituted at position 3 by a hydroxy group. | 8.06 | 5 | 0 | L-alpha-amino acid;
proteinogenic amino acid;
serine family amino acid;
serine zwitterion;
serine | algal metabolite;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
aspartic acid
Aspartic Acid: One of the non-essential amino acids commonly occurring in the L-form. It is found in animals and plants, especially in sugar cane and sugar beets. It may be a neurotransmitter.. aspartic acid : An alpha-amino acid that consists of succinic acid bearing a single alpha-amino substituent. L-aspartic acid : The L-enantiomer of aspartic acid. | 4.29 | 7 | 0 | aspartate family amino acid;
aspartic acid;
L-alpha-amino acid;
proteinogenic amino acid | Escherichia coli metabolite;
mouse metabolite;
neurotransmitter |
glutamine
Glutamine: A non-essential amino acid present abundantly throughout the body and is involved in many metabolic processes. It is synthesized from GLUTAMIC ACID and AMMONIA. It is the principal carrier of NITROGEN in the body and is an important energy source for many cells.. L-glutamine : An optically active form of glutamine having L-configuration.. glutamine : An alpha-amino acid that consists of butyric acid bearing an amino substituent at position 2 and a carbamoyl substituent at position 4. | 2.68 | 3 | 0 | amino acid zwitterion;
glutamine family amino acid;
glutamine;
L-alpha-amino acid;
polar amino acid zwitterion;
proteinogenic amino acid | EC 1.14.13.39 (nitric oxide synthase) inhibitor;
Escherichia coli metabolite;
human metabolite;
metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
Saccharomyces cerevisiae metabolite |
lysine
Lysine: An essential amino acid. It is often added to animal feed.. lysine : A diamino acid that is caproic (hexanoic) acid bearing two amino substituents at positions 2 and 6.. L-lysine : An L-alpha-amino acid; the L-isomer of lysine. | 2.45 | 2 | 0 | aspartate family amino acid;
L-alpha-amino acid zwitterion;
L-alpha-amino acid;
lysine;
organic molecular entity;
proteinogenic amino acid | algal metabolite;
anticonvulsant;
Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
plant metabolite;
Saccharomyces cerevisiae 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. | 2.02 | 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. | 3.43 | 7 | 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. | 8.96 | 13 | 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 |
cycloserine
Cycloserine: Antibiotic substance produced by Streptomyces garyphalus.. D-cycloserine : A 4-amino-1,2-oxazolidin-3-one that has R configuration. It is an antibiotic produced by Streptomyces garyphalus or S. orchidaceus and is used as part of a multi-drug regimen for the treatment of tuberculosis when resistance to, or toxicity from, primary drugs has developed. An analogue of D-alanine, it interferes with bacterial cell wall synthesis in the cytoplasm by competitive inhibition of L-alanine racemase (which forms D-alanine from L-alanine) and D-alanine--D-alanine ligase (which incorporates D-alanine into the pentapeptide required for peptidoglycan formation and bacterial cell wall synthesis). | 1.96 | 1 | 0 | 4-amino-1,2-oxazolidin-3-one;
organonitrogen heterocyclic antibiotic;
organooxygen heterocyclic antibiotic;
zwitterion | antiinfective agent;
antimetabolite;
antitubercular agent;
metabolite;
NMDA receptor agonist |
asparagine
Asparagine: A non-essential amino acid that is involved in the metabolic control of cell functions in nerve and brain tissue. It is biosynthesized from ASPARTIC ACID and AMMONIA by asparagine synthetase. (From Concise Encyclopedia Biochemistry and Molecular Biology, 3rd ed). asparagine : An alpha-amino acid in which one of the hydrogens attached to the alpha-carbon of glycine is substituted by a 2-amino-2-oxoethyl group. | 1.96 | 1 | 0 | amino acid zwitterion;
asparagine;
aspartate family amino acid;
L-alpha-amino acid;
proteinogenic amino acid | Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
plant metabolite;
Saccharomyces cerevisiae metabolite |
valine
Valine: A branched-chain essential amino acid that has stimulant activity. It promotes muscle growth and tissue repair. It is a precursor in the penicillin biosynthetic pathway.. valine : A branched-chain amino acid that consists of glycine in which one of the hydrogens attached to the alpha-carbon is substituted by an isopropyl group.. L-valine : The L-enantiomer of valine. | 4.24 | 18 | 0 | L-alpha-amino acid zwitterion;
L-alpha-amino acid;
proteinogenic amino acid;
pyruvate family amino acid;
valine | algal metabolite;
Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
Saccharomyces cerevisiae metabolite |
threonine
Threonine: An essential amino acid occurring naturally in the L-form, which is the active form. It is found in eggs, milk, gelatin, and other proteins.. threonine : An alpha-amino acid in which one of the hydrogens attached to the alpha-carbon of glycine is substituted by a 1-hydroxyethyl group. | 9.01 | 14 | 0 | amino acid zwitterion;
aspartate family amino acid;
L-alpha-amino acid;
proteinogenic amino acid;
threonine | algal metabolite;
Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
plant metabolite;
Saccharomyces cerevisiae metabolite |
isoleucine
Isoleucine: An essential branched-chain aliphatic amino acid found in many proteins. It is an isomer of LEUCINE. It is important in hemoglobin synthesis and regulation of blood sugar and energy levels.. isoleucine : A 2-amino-3-methylpentanoic acid having either (2R,3R)- or (2S,3S)-configuration.. L-isoleucine : The L-enantiomer of isoleucine. | 4.45 | 22 | 0 | aspartate family amino acid;
isoleucine;
L-alpha-amino acid zwitterion;
L-alpha-amino acid;
proteinogenic amino acid | algal metabolite;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
plant metabolite;
Saccharomyces cerevisiae metabolite |
arginine
Arginine: An essential amino acid that is physiologically active in the L-form.. arginine : An alpha-amino acid that is glycine in which the alpha-is substituted by a 3-guanidinopropyl group. | 2.41 | 2 | 0 | arginine;
glutamine family amino acid;
L-alpha-amino acid;
proteinogenic amino acid | biomarker;
Escherichia coli metabolite;
micronutrient;
mouse metabolite;
nutraceutical |
cyclopropane
cyclopropane : A cycloalkane composed of three carbon atoms to form a ring. | 2.02 | 1 | 0 | cycloalkane;
cyclopropanes | inhalation anaesthetic |
pantothenic acid
Pantothenic Acid: A butyryl-beta-alanine that can also be viewed as pantoic acid complexed with BETA ALANINE. It is incorporated into COENZYME A and protects cells against peroxidative damage by increasing the level of GLUTATHIONE.. pantothenic acid : A member of the class of pantothenic acids that is an amide formed from pantoic acid and beta-alanine.. vitamin B5 : Any member of a group of vitamers that belong to the chemical structural class called pantothenic acids that exhibit biological activity against vitamin B5 deficiency. Deficiency of vitamin B5 is rare due to its widespread distribution in whole grain cereals, legumes and meat. Symptoms associated with vitamin B5 deficiency are difficult to asses since they are subtle and resemble those of other B vitamin deficiencies. The vitamers include (R)-pantothenic acid and its ionized and salt forms.. (R)-pantothenate : A pantothenate that is the conjugate base of (R)-pantothenic acid, obtained by deprotonation of the carboxy group.. (R)-pantothenic acid : A pantothenic acid having R-configuration. | 2.37 | 2 | 0 | pantothenic acid;
vitamin B5 | antidote to curare poisoning;
geroprotector;
human blood serum metabolite |
rotenone
Derris: A plant genus of the family FABACEAE. The root is a source of rotenoids (ROTENONE) and flavonoids. Some species of Pongamia have been reclassified to this genus and some to MILLETTIA. Some species of Deguelia have been reclassified to this genus.. rotenoid : Members of the class of tetrahydrochromenochromene that consists of a cis-fused tetrahydrochromeno[3,4-b]chromene skeleton and its substituted derivatives. The term was originally restricted to natural products, but is now also used to describe semi-synthetic and fully synthetic compounds. | 2.21 | 1 | 0 | organic heteropentacyclic compound;
rotenones | antineoplastic agent;
metabolite;
mitochondrial NADH:ubiquinone reductase inhibitor;
phytogenic insecticide;
piscicide;
toxin |
quinoxalines
quinoxaline : A naphthyridine in which the nitrogens are at positions 1 and 4. | 1.98 | 1 | 0 | mancude organic heterobicyclic parent;
naphthyridine;
ortho-fused heteroarene | |
benzylamine
aminotoluene : Any member of the class of toluenes carrying one or more amino groups. | 2.05 | 1 | 0 | aralkylamine;
primary amine | allergen;
EC 3.5.5.1 (nitrilase) inhibitor;
plant metabolite |
1,3-butadiene
buta-1,3-diene : A butadiene with unsaturation at positions 1 and 3. | 2.01 | 1 | 0 | butadiene | carcinogenic agent;
mutagen |
3-chloropropionic acid
3-chloropropionic acid: structure | 2 | 1 | 0 | | |
sodium cyanide
Sodium Cyanide: A highly poisonous compound that is an inhibitor of many metabolic processes and is used as a test reagent for the function of chemoreceptors. It is also used in many industrial processes.. sodium cyanide : A cyanide salt containing equal numbers of sodium cations and cyanide anions. | 2 | 1 | 0 | cyanide salt;
one-carbon compound;
sodium salt | EC 1.15.1.1 (superoxide dismutase) inhibitor |
thiamine pyrophosphate
Thiamine Pyrophosphate: The coenzyme form of Vitamin B1 present in many animal tissues. It is a required intermediate in the PYRUVATE DEHYDROGENASE COMPLEX and the KETOGLUTARATE DEHYDROGENASE COMPLEX.. thiamine(1+) diphosphate chloride : An organic chloride salt of thiamine(1+) diphosphate. | 3.5 | 2 | 0 | organic chloride salt;
vitamin B1 | |
quinazolines
Quinazolines: A group of aromatic heterocyclic compounds that contain a bicyclic structure with two fused six-membered aromatic rings, a benzene ring and a pyrimidine ring.. quinazoline : A mancude organic heterobicyclic parent that is naphthalene in which the carbon atoms at positions 1 and 3 have been replaced by nitrogen atoms.. quinazolines : Any organic heterobicyclic compound based on a quinazoline skeleton and its substituted derivatives. | 2.21 | 1 | 0 | azaarene;
mancude organic heterobicyclic parent;
ortho-fused heteroarene;
quinazolines | |
cyclopentane
Cyclopentanes: A group of alicyclic hydrocarbons with the general formula R-C5H9.. cyclopentanes : Cyclopentane and its derivatives formed by substitution. | 2.03 | 1 | 0 | cycloalkane;
cyclopentanes;
volatile organic compound | non-polar solvent |
isoxazoles
Isoxazoles: Azoles with an OXYGEN and a NITROGEN next to each other at the 1,2 positions, in contrast to OXAZOLES that have nitrogens at the 1,3 positions.. isoxazole : A monocyclic heteroarene with a structure consisting of a 5-membered ring containing three carbon atoms and an oxygen and nitrogen atom adjacent to each other. It is the parent of the class of isoxazoles.. isoxazoles : Oxazoles in which the N and O atoms are adjacent. | 1.97 | 1 | 0 | isoxazoles;
mancude organic heteromonocyclic parent;
monocyclic heteroarene | |
thiazoles
[no description available] | 2.06 | 1 | 0 | 1,3-thiazoles;
mancude organic heteromonocyclic parent;
monocyclic heteroarene | |
hydrazine
diamine : Any polyamine that contains two amino groups. | 1.96 | 1 | 0 | azane;
hydrazines | EC 4.3.1.10 (serine-sulfate ammonia-lyase) inhibitor |
citrulline
citrulline : The parent compound of the citrulline class consisting of ornithine having a carbamoyl group at the N(5)-position. | 1.96 | 1 | 0 | amino acid zwitterion;
citrulline | Daphnia magna metabolite;
EC 1.14.13.39 (nitric oxide synthase) inhibitor;
Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
plant metabolite;
protective agent;
Saccharomyces cerevisiae metabolite |
homocystine
[no description available] | 2.03 | 1 | 0 | amino acid zwitterion;
homocystines | human metabolite |
hydantoic acid
hydantoic acid: norallophanic acid; structure | 1.94 | 1 | 0 | monocarboxylic acid;
N-acylglycine;
ureas | rat metabolite;
xenobiotic metabolite |
thymoquinone
thymoquinone: constituent of cedarwood; can cause dermatitis; structure. thymoquinone : A member of the class of 1,4-benzoquinones that is 1,4-bezoquinone in which the hydrogens at positions 2 and 5 are replaced by methyl and isopropyl groups, respectively. It is a natural compound isolated from Nigella sativa which has demonstrated promising chemotherapeutic activity. | 2.31 | 1 | 0 | 1,4-benzoquinones | adjuvant;
anti-inflammatory agent;
antidepressant;
antineoplastic agent;
antioxidant;
cardioprotective agent;
plant metabolite |
3-butene-1,2-diol
3-butene-1,2-diol: major industrial chemical; structure given in first source | 2.01 | 1 | 0 | | |
4-hydroxybutyric acid
4-hydroxybutyric acid: was an entry term to Sodium Oxybate (74-98). 4-hydroxybutyric acid : A 4-hydroxy monocarboxylic acid that is butyric acid in which one of the hydrogens at position 4 is replaced by a hydroxy group. | 2 | 1 | 0 | 4-hydroxy monocarboxylic acid;
hydroxybutyric acid | general anaesthetic;
GHB receptor agonist;
neurotoxin;
sedative |
oxetane
oxetane: structure. oxetane : A saturated organic heteromonocyclic parent that is a four-membered ring comprising of three carbon atoms and an oxygen atom. | 2.05 | 1 | 0 | oxetanes;
saturated organic heteromonocyclic parent | |
1,3-propanediol
propane-1,3-diol : The simplest member of the class of propane-1,3-diols, consisting of propane in which one hydrogen from each methyl group is substituted by a hydroxy group. A colourless, viscous, water-miscible liquid with a high (210degreeC) boiling point, it is used in the synthesis of certain polymers and as a solvent and antifreeze. | 2.21 | 1 | 0 | propane-1,3-diols | metabolite;
protic solvent |
2-hydroxybutyric acid
2-hydroxybutyric acid: RN given refers to cpd without isomeric designation. hydroxybutyric acid : Any compound comprising a butyric acid core carrying at least one hydroxy substituent.. 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. | 2.69 | 3 | 0 | 2-hydroxy monocarboxylic acid;
hydroxybutyric acid | algal metabolite;
human metabolite |
ethylmalonic acid
ethylmalonic acid: don't confuse with diethyl malonate, which is a diester. ethylmalonate : A dicarboxylic acid anion obtained by deprotonation of at least one of the carboxy groups of ethylmalonic acid.. ethylmalonic acid : A dicarboxylic acid obtained by substitution of one of the methylene hydrogens of malonic acid by an ethyl group. | 2 | 1 | 0 | dicarboxylic acid;
dicarboxylic fatty acid | human metabolite |
homoserine
homoserine : An alpha-amino acid that is glycine substituted at the alpha-position by a 2-hydroxyethyl group.. L-homoserine : The L-enantiomer of homoserine. | 2.73 | 3 | 0 | amino acid zwitterion;
homoserine | algal metabolite;
Escherichia coli metabolite;
human metabolite;
Saccharomyces cerevisiae metabolite |
(pentafluorophenyl)hydrazine
[no description available] | 1.96 | 1 | 0 | | |
2,6-dichloroindophenol
2,6-Dichloroindophenol: A dye used as a reagent in the determination of vitamin C.. 2,6-dichloroindophenol : A quinone imine that is indophenol substituted by chloro groups at positions 2 and 6.. N-3,5-dichloro-4-hydroxyphenyl-1,4-benzoquinone imine : 1,4-benzoquinone imine having a 3,5-dichloro-4-hydroxyphenyl substituent attached to the nitrogen atom. | 1.96 | 1 | 0 | dichlorobenzene;
quinone imine | |
pyridine-2-carboxaldehyde
pyridine-2-carboxaldehyde: structure in first source. 2-formylpyridine : A pyridinecarbaldehyde that is pyridine in which the hydrogen at position 2 is replaced by a formyl group. | 2.03 | 1 | 0 | pyridinecarbaldehyde | |
selenomethionine
[no description available] | 2 | 1 | 0 | selenoamino acid;
selenomethionines | plant metabolite |
acetylpyruvic acid
acetylpyruvic acid: structure. acetylpyruvic acid : A dioxo monocarboxylic acid that is pentanoic acid carrying two oxo groups at positions 2 and 4. | 1.96 | 1 | 0 | beta-diketone;
dioxo monocarboxylic acid | bacterial metabolite |
manganese
Manganese: A trace element with atomic symbol Mn, atomic number 25, and atomic weight 54.94. It is concentrated in cell mitochondria, mostly in the pituitary gland, liver, pancreas, kidney, and bone, influences the synthesis of mucopolysaccharides, stimulates hepatic synthesis of cholesterol and fatty acids, and is a cofactor in many enzymes, including arginase and alkaline phosphatase in the liver. (From AMA Drug Evaluations Annual 1992, p2035). manganese(4+) : A manganese cation that is monoatomic and has a formal charge of +4. | 1.98 | 1 | 0 | elemental manganese;
manganese group element atom | Escherichia coli metabolite;
micronutrient |
silver
Silver: An element with the atomic symbol Ag, atomic number 47, and atomic weight 107.87. It is a soft metal that is used medically in surgical instruments, dental prostheses, and alloys. Long-continued use of silver salts can lead to a form of poisoning known as ARGYRIA. | 2.06 | 1 | 0 | copper group element atom;
elemental silver | Escherichia coli metabolite |
deuterium
Deuterium: The stable isotope of hydrogen. It has one neutron and one proton in the nucleus. | 1.95 | 1 | 0 | dihydrogen | |
phenyl acetate
phenyl acetate: The ester formed between phenol and acetic acid. Don't confuse with phenylacetic acid derivatives listed under PHENYLACETATES.. phenyl acetate : An acetate ester obtained by the formal condensation of phenol with acetic acid. | 2.37 | 2 | 0 | benzenes;
phenyl acetates | |
alkenes
[no description available] | 2.04 | 1 | 0 | | |
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. | 2.91 | 4 | 0 | glutamic acid;
glutamine family amino acid;
L-alpha-amino acid;
proteinogenic amino acid | Escherichia coli metabolite;
ferroptosis inducer;
micronutrient;
mouse metabolite;
neurotransmitter;
nutraceutical |
sodium azide
Sodium Azide: A cytochrome oxidase inhibitor which is a nitridizing agent and an inhibitor of terminal oxidation. (From Merck Index, 12th ed). sodium azide : The sodium salt of hydrogen azide (hydrazoic acid). | 2 | 1 | 0 | inorganic sodium salt | antibacterial agent;
explosive;
mitochondrial respiratory-chain inhibitor;
mutagen |
azides
Azides: Organic or inorganic compounds that contain the -N3 group.. azide : Any nitrogen molecular entity containing the group -N3. | 2.05 | 1 | 0 | pseudohalide anion | mitochondrial respiratory-chain inhibitor |
sulfometuron methyl
sulfometuron methyl: structure given in first source. sulfometuron methyl : A benzoate ester that is the methyl ester of 2-{[(4,6-dimethylpyrimidin-2-yl)carbamoyl]sulfamoyl}benzoic acid. | 3.23 | 6 | 0 | benzoate ester;
N-sulfonylurea;
pyrimidines | EC 2.2.1.6 (acetolactate synthase) inhibitor;
herbicide |
4-pentenoic acid
4-pentenoic acid: inhibitor of fatty acid oxidation; RN given refers to parent cpd. pent-4-enoic acid : A pentenoic acid having the double bond at position 4. | 1.96 | 1 | 0 | pentenoic acid | |
d-lactic acid
(R)-lactic acid : An optically active form of lactic acid having (R)-configuration. | 2 | 1 | 0 | 2-hydroxypropanoic acid | Escherichia coli metabolite;
human metabolite |
thiazolyl blue
thiazolyl blue: RN & II refers to bromide. 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide : The bromide salt of 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium. | 2.06 | 1 | 0 | organic bromide salt | colorimetric reagent;
dye |
n,n-bis(trimethylsilyl)-2,2,2-trifluoroacetamide
[no description available] | 2 | 1 | 0 | | |
3-fluoropyruvate
3-fluoropyruvate: a substrate for E coli pyruvate dehydrogenase; structure; RN given refers to parent cpd. 3-fluoropyruvic acid : A pyruvic acid derivative having a 3-fluoro substituent.. 3-fluoropyruvate : The anion of 3-fluoropyruvic acid. | 2.04 | 1 | 0 | 2-oxo monocarboxylic acid;
organofluorine compound | |
n-acetylglutamic acid
N-acetylglutamic acid: RN given refers to (L)-isomer. N-acetyl-L-glutamic acid : An N-acyl-L-amino acid that is L-glutamic acid in which one of the amine hydrogens is substituted by an acetyl group. | 1.96 | 1 | 0 | N-acetyl-L-amino acid;
N-acyl-L-glutamic acid | human metabolite;
Saccharomyces cerevisiae metabolite |
2-ketopentanoic acid
2-ketopentanoic acid: RN given refers to parent cpd. 2-oxopentanoic acid : An oxopentanoic acid carrying an oxo group at position 2. | 2.67 | 3 | 0 | 2-oxo monocarboxylic acid;
oxopentanoic acid | human metabolite |
alpha-acetolactate
alpha-acetolactate: RN given refers to cpd without isomeric designation | 4.18 | 5 | 0 | | |
coenzyme a
[no description available] | 2.08 | 1 | 0 | adenosine 3',5'-bisphosphate | coenzyme;
Escherichia coli metabolite;
mouse metabolite |
nicotine
(S)-nicotine : A 3-(1-methylpyrrolidin-2-yl)pyridine in which the chiral centre has S-configuration. The naturally occurring and most active enantiomer of nicotine, isolated from Nicotiana tabacum. | 2.03 | 1 | 0 | 3-(1-methylpyrrolidin-2-yl)pyridine | anxiolytic drug;
biomarker;
immunomodulator;
mitogen;
neurotoxin;
nicotinic acetylcholine receptor agonist;
peripheral nervous system drug;
phytogenic insecticide;
plant metabolite;
psychotropic drug;
teratogenic agent;
xenobiotic |
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. | 2.4 | 2 | 0 | amino acid zwitterion;
homocysteine;
serine family amino acid | fundamental metabolite;
mouse metabolite |
succinyl-coenzyme a
[no description available] | 2.21 | 1 | 0 | omega-carboxyacyl-CoA | Escherichia coli metabolite;
inhibitor;
mouse metabolite |
3-hydroxybutyric acid
(R)-3-hydroxybutyric acid : The R-enantiomer of 3-hydroxybutyric acid. Involved in the synthesis and degradation of ketone bodies, it can be used as an energy source by the brain during hypoglycaemia, and for the synthesis of biodegradable plastics. It is a sex pheremone in the European spider Linyphia triangularis. | 2 | 1 | 0 | 3-hydroxybutyric acid;
ketone body | fungal metabolite;
human metabolite;
pheromone |
propionyl-coenzyme a
propionyl-coenzyme A: RN given refers to parent cpd | 2.89 | 4 | 0 | acyl-CoA | Escherichia coli metabolite;
metabolite;
mouse metabolite |
(S)-3-hydroxybutyric acid
(S)-3-hydroxybutyric acid : The S-enantiomer of 3-hydroxybutyric acid; a normal human metabolite, that has been found elevated in geriatric patients remitting from depression. | 2 | 1 | 0 | 3-hydroxybutyric acid | |
cyanates
Cyanates: Organic salts of cyanic acid containing the -OCN radical.. cyanates : Salts and esters of cyanic acid, HOC#N; compounds carrying the cyanate functional group -O-C#N.. isocyanates : Organonitrogen compounds that are derivatives of isocyanic acid; compounds containing the isocyanate functional group -N=C=O (as opposed to the cyanate group, -O-C#N). | 1.94 | 1 | 0 | | |
3-((3-cholamidopropyl)dimethylammonium)-1-propanesulfonate
3-((3-cholamidopropyl)dimethylammonium)-1-propanesulfonate: a surfactant; structure given in first source | 2.01 | 1 | 0 | 1,1-diunsubstituted alkanesulfonate | |
beta-hydroxyvaleric acid
3-hydroxypentanoic acid : A short-chain fatty acid that is valeric acid in which one of the methylene hydrogens at position 3 has been replaced by a hydroxy group. | 2.42 | 2 | 0 | 3-hydroxy fatty acid;
ketone body;
short-chain fatty acid | |
hypotaurine
[no description available] | 2 | 1 | 0 | aminosulfinic acid;
zwitterion | human metabolite;
metabolite;
mouse metabolite |
3-methylaspartic acid
3-methylaspartic acid: RN given refers to cpd without isomeric designation | 1.95 | 1 | 0 | | |
vinylglycine
vinylglycine: irreversible inhibitor of aspartate aminotransferase; structure. L-vinylglycine : A non-proteinogenic L-alpha-amino acid with a structure in which a vinyl group is bonded to the alpha-carbon of glycine. | 2.41 | 2 | 0 | glycine derivative;
L-alpha-amino acid zwitterion;
non-proteinogenic L-alpha-amino acid | EC 4.4.1.14 (1-aminocyclopropane-1-carboxylate synthase) inhibitor |
gossypol acetic acid
[no description available] | 1.96 | 1 | 0 | | |
benzofurans
Benzofurans: Compounds that contain a BENZENE ring fused to a furan ring. | 2.04 | 1 | 0 | | |
acivicin
[no description available] | 1.97 | 1 | 0 | isoxazoles;
non-proteinogenic L-alpha-amino acid;
organochlorine compound | antileishmanial agent;
antimetabolite;
antimicrobial agent;
antineoplastic agent;
EC 2.3.2.2 (gamma-glutamyltransferase) inhibitor;
glutamine antagonist;
metabolite |
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. | 1.96 | 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 |
o-succinylhomoserine
O-succinylhomoserine: RN given refers to (L)-isomer | 2.25 | 1 | 0 | hemisuccinate;
o-succinylhomoserine | Escherichia coli metabolite;
Saccharomyces cerevisiae metabolite |
alpha-aminobutyric acid
alpha-aminobutyric acid: RN given refers to cpd without isomeric designation. alpha-aminobutyric acid : An alpha-amino acid that is butyric acid bearing a single amino substituent located at position 2.. D-alpha-aminobutyric acid : An optically active form of alpha-aminobutyric acid having D-configuration. | 3.23 | 6 | 0 | alpha-aminobutyric acid;
D-alpha-amino acid | |
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. | 2.4 | 2 | 0 | acyl-CoA | acyl donor;
coenzyme;
effector;
fundamental metabolite |
riboflavin
vitamin B2 : Any member of a group of vitamers that belong to the chemical structural class called flavins that exhibit biological activity against vitamin B2 deficiency. Symptoms associated with vitamin B2 deficiency include glossitis, seborrhea, angular stomaitis, cheilosis and photophobia. The vitamers include riboflavin and its phosphate derivatives (and includes their salt, ionised and hydrate forms). | 1.96 | 1 | 0 | flavin;
vitamin B2 | anti-inflammatory agent;
antioxidant;
cofactor;
Escherichia coli metabolite;
food colouring;
fundamental metabolite;
human urinary metabolite;
mouse metabolite;
photosensitizing agent;
plant metabolite |
flavin-adenine dinucleotide
Flavin-Adenine Dinucleotide: A condensation product of riboflavin and adenosine diphosphate. The coenzyme of various aerobic dehydrogenases, e.g., D-amino acid oxidase and L-amino acid oxidase. (Lehninger, Principles of Biochemistry, 1982, p972) | 2 | 1 | 0 | flavin adenine dinucleotide;
vitamin B2 | cofactor;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
prosthetic group |
formic acid, sodium salt
sodium formate : An organic sodium salt which is the monosodium salt of formic acid. | 2 | 1 | 0 | organic sodium salt | astringent;
buffer |
4-hydroxyisoleucine
[no description available] | 2.03 | 1 | 0 | isoleucine derivative | |
cystine
[no description available] | 2.37 | 2 | 0 | | |
citramalate
citramalate: RN given refers to cpd without isomeric designation. citramalate(2-) : A dicarboxylic acid dianion that is obtained by removal of a proton from both of the carboxylic acid groups of citramalic acid. | 2.46 | 2 | 0 | dicarboxylic acid dianion | human metabolite;
plant metabolite |
vitamin k semiquinone radical
vitamin K semiquinone radical: found in active preparations of vitamin K-dependent carboxylase. vitamin K : Any member of a group of fat-soluble 2-methyl-1,4-napthoquinones that exhibit biological activity against vitamin K deficiency. Vitamin K is required for the synthesis of prothrombin and certain other blood coagulation factors. | 1.99 | 1 | 0 | | |
jasmonic acid
jasmonic acid: a derivative of alpha-linolenic acid that has a role in plant response to herbivory analogous to the role of prostanoids in inflammation in mammals;. jasmonic acid : An oxo monocarboxylic acid that is (3-oxocyclopentyl)acetic acid substituted by a (2Z)-pent-2-en-1-yl group at position 2 of the cyclopentane ring. | 2.03 | 1 | 0 | oxo monocarboxylic acid | jasmonates;
plant metabolite |
sirolimus
Sirolimus: A macrolide compound obtained from Streptomyces hygroscopicus that acts by selectively blocking the transcriptional activation of cytokines thereby inhibiting cytokine production. It is bioactive only when bound to IMMUNOPHILINS. Sirolimus is a potent immunosuppressant and possesses both antifungal and antineoplastic properties.. sirolimus : A macrolide lactam isolated from Streptomyces hygroscopicus consisting of a 29-membered ring containing 4 trans double bonds, three of which are conjugated. It is an antibiotic, immunosupressive and antineoplastic agent. | 2.21 | 1 | 0 | antibiotic antifungal drug;
cyclic acetal;
cyclic ketone;
ether;
macrolide lactam;
organic heterotricyclic compound;
secondary alcohol | antibacterial drug;
anticoronaviral agent;
antineoplastic agent;
bacterial metabolite;
geroprotector;
immunosuppressive agent;
mTOR inhibitor |
alpha-cyano-4-hydroxycinnamic acid
alpha-cyano-4-hydroxycinnamic acid : A monohydroxycinnamic acid that is 4-hydroxycinnamic acid in which the hydrogen alpha- to the carboxy group is replaced by a cyano group. It is used as a matrix in matrix-assisted laser desorption/ionization (MALDI) mass spectrometry for the analysis of peptides and oligonucleotides. | 2 | 1 | 0 | monohydroxycinnamic acid;
nitrile;
phenols | MALDI matrix material |
cysteine
Cysteine: A thiol-containing non-essential amino acid that is oxidized to form CYSTINE.. L-cysteinium : The L-enantiomer of cysteinium.. cysteine : A sulfur-containing amino acid that is propanoic acid with an amino group at position 2 and a sulfanyl group at position 3. | 2.96 | 4 | 0 | cysteinium | fundamental metabolite |
oxalates
Oxalates: Derivatives of OXALIC ACID. Included under this heading are a broad variety of acid forms, salts, esters, and amides that are derived from the ethanedioic acid structure. | 2.01 | 1 | 0 | | |
phenylalanylglycine
phenylalanylglycine: RN given refers to (DL)-isomer. Phe-Gly : A dipeptide formed from L-phenylalanine and glycine residues. | 1.97 | 1 | 0 | dipeptide | metabolite |
nikkomycin
[no description available] | 2.03 | 1 | 0 | | |
cystathionine
Cystathionine: Sulfur-containing amino acid formed as an intermediate in the conversion of METHIONINE to CYSTEINE.. cystathionine : A modified amino acid generated by enzymic means from homocysteine and serine. | 8.23 | 6 | 0 | cysteine derivative | |
myrsinoic acid b
myrsinoic acid B: from Myrsine seguinii; structure in first source. myrsinoic acid B : A member of the class of 1-benzofurans that is 2,3-dihydro-1-benzofuran substituted by a carboxy group at position 5, a 1',5'-dimethyl-1'-hydroxy-4'-hexenyl group at position 2 and a prenyl group at position 7. Isolated from Myrsine seguinii, it exhibits anti-inflammatory activity. | 2.04 | 1 | 0 | 1-benzofurans;
monocarboxylic acid | anti-inflammatory agent;
EC 4.4.1.11 (methionine gamma-lyase) inhibitor;
metabolite |
nad
NAD(1-) : An anionic form of nicotinamide adenine dinucleotide arising from deprotonation of the two OH groups of the diphosphate moiety. | 2.96 | 4 | 0 | organophosphate oxoanion | cofactor;
human metabolite;
hydrogen acceptor;
Saccharomyces cerevisiae metabolite |
glucagon
Glucagon: A 29-amino acid pancreatic peptide derived from proglucagon which is also the precursor of intestinal GLUCAGON-LIKE PEPTIDES. Glucagon is secreted by PANCREATIC ALPHA CELLS and plays an important role in regulation of BLOOD GLUCOSE concentration, ketone metabolism, and several other biochemical and physiological processes. (From Gilman et al., Goodman and Gilman's The Pharmacological Basis of Therapeutics, 9th ed, p1511). glucagon : A 29-amino acid peptide hormone consisting of His, Ser, Gln, Gly, Thr, Phe, Thr, Ser, Asp, Tyr, Ser, Lys, Tyr, Leu, Asp, Ser, Arg, Arg, Ala, Gln, Asp, Phe, Val, Gln, Trp, Leu, Met, Asn and Thr residues joined in sequence. | 1.98 | 1 | 0 | peptide hormone | |
sodium lactate
Sodium Lactate: The sodium salt of racemic or inactive lactic acid. It is a hygroscopic agent used intravenously as a systemic and urinary alkalizer.. sodium lactate : An organic sodium salt having lactate as the counterion. | 2 | 1 | 0 | lactate salt;
organic sodium salt | food acidity regulator;
food preservative |
n-hydroxy-n-isopropyloxamate
N-hydroxy-N-isopropyloxamate: inhibitor of ketol-acid reductoisomerase; structure given in first source; RN given refers to monopotassium salt | 1.99 | 1 | 0 | | |
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. | 2.38 | 2 | 0 | organic cation;
sulfonium compound | coenzyme;
cofactor;
human metabolite;
micronutrient;
Mycoplasma genitalium metabolite;
nutraceutical;
Saccharomyces cerevisiae metabolite |
oxytetracycline, anhydrous
Oxytetracycline: A TETRACYCLINE analog isolated from the actinomycete STREPTOMYCES RIMOSUS and used in a wide variety of clinical conditions.. oxytetracycline : A tetracycline used for treatment of infections caused by a variety of Gram positive and Gram negative microorganisms including Mycoplasma pneumoniae, Pasteurella pestis, Escherichia coli, Haemophilus influenzae (respiratory infections), and Diplococcus pneumoniae. | 1.93 | 1 | 0 | | |
salicylates
Salicylates: The salts or esters of salicylic acids, or salicylate esters of an organic acid. Some of these have analgesic, antipyretic, and anti-inflammatory activities by inhibiting prostaglandin synthesis.. hydroxybenzoate : Any benzoate derivative carrying a single carboxylate group and at least one hydroxy substituent.. salicylates : Any salt or ester arising from reaction of the carboxy group of salicylic acid, or any ester resulting from the condensation of the phenolic hydroxy group of salicylic acid with an organic acid.. salicylate : A monohydroxybenzoate that is the conjugate base of salicylic acid. | 1.96 | 1 | 0 | monohydroxybenzoate | plant metabolite |
calicheamicin gamma(1)i
calicheamicin gamma(1)I: structure given in first source; isolated from Micromonospora echinospora sp. calichensis; acts as a DNA double-stranded cleaving agent. calicheamicin gamma1(I) : A calcheamicin in which contains 3-O-methyl-alpha-L-rhamnosyl, 2,6-dideoxy-4-thio-beta-D-ribo-hexopyranosyl, and 4-amino-4,6-dideoxy-2-O-[2,4-dideoxy-4-(ethylamino)-3-O-methyl-alpha-L-threo-pentopyranosyl]-alpha-L-idopyranose units and in which the aromatic ring contains an iodo substituent. | 2.11 | 1 | 0 | calicheamicin;
enediyne antibiotic;
organoiodine compound | antineoplastic agent;
metabolite |
oligomycins
Oligomycins: A closely related group of toxic substances elaborated by various strains of Streptomyces. They are 26-membered macrolides with lactone moieties and double bonds and inhibit various ATPases, causing uncoupling of phosphorylation from mitochondrial respiration. Used as tools in cytochemistry. Some specific oligomycins are RUTAMYCIN, peliomycin, and botrycidin (formerly venturicidin X). | 2.21 | 1 | 0 | | |
cyclic gmp
Cyclic GMP: Guanosine cyclic 3',5'-(hydrogen phosphate). A guanine nucleotide containing one phosphate group which is esterified to the sugar moiety in both the 3'- and 5'-positions. It is a cellular regulatory agent and has been described as a second messenger. Its levels increase in response to a variety of hormones, including acetylcholine, insulin, and oxytocin and it has been found to activate specific protein kinases. (From Merck Index, 11th ed). 3',5'-cyclic GMP : A 3',5'-cyclic purine nucleotide in which the purine nucleobase is specified as guanidine. | 2.6 | 1 | 0 | 3',5'-cyclic purine nucleotide;
guanyl ribonucleotide | Escherichia coli metabolite;
human metabolite;
mouse metabolite;
plant metabolite;
Saccharomyces cerevisiae metabolite |
guanosine pentaphosphate
Guanosine Pentaphosphate: Guanosine 5'-triphosphate 2'(3')-diphosphate. A guanine nucleotide containing five phosphate groups. Three phosphate groups are esterified to the sugar moiety in the 5' position and the other two in the 2' or 3' position. This nucleotide serves as a messenger to turn off the synthesis of ribosomal RNA when amino acids are not available for protein synthesis.. guanosine 3'-diphosphate 5'-triphosphate : A guanosine bisphosphate having a diphosphate at the 3'-position and a triphosphate at the 5'-position. | 1.95 | 1 | 0 | guanosine 5'-phosphate;
guanosine bisphosphate | Escherichia coli metabolite;
mouse metabolite |
guanosine tetraphosphate
Guanosine Tetraphosphate: Guanosine 5'-diphosphate 2'(3')-diphosphate. A guanine nucleotide containing four phosphate groups. Two phosphate groups are esterified to the sugar moiety in the 5' position and the other two in the 2' or 3' position. This nucleotide serves as a messenger to turn off the synthesis of ribosomal RNA when amino acids are not available for protein synthesis. Synonym: magic spot I.. guanosine 3',5'-bis(diphosphate) : A guanosine bisphosphate having diphosphate groups at both the 3' and 5'-positions. | 2.36 | 2 | 0 | guanosine bisphosphate | Escherichia coli metabolite;
mouse metabolite |
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. | 1.93 | 1 | 0 | folic acids;
N-acyl-amino acid | human metabolite;
mouse metabolite;
nutrient |
paulomycin a
paulomycin A: from Streptomyces paulus strain 273; MF C34-H46-N2-O17-S; see also paulomycin B | 6.96 | 1 | 0 | | |
metallothionein
Metallothionein: A low-molecular-weight (approx. 10 kD) protein occurring in the cytoplasm of kidney cortex and liver. It is rich in cysteinyl residues and contains no aromatic amino acids. Metallothionein shows high affinity for bivalent heavy metals. | 2.06 | 1 | 0 | | |