Substance | Relationship Strength | Studies | Trials | Classes | Roles |
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. | 3.8 | 3 | 0 | 2-oxo monocarboxylic acid; branched-chain keto acid | human metabolite; Saccharomyces cerevisiae metabolite |
alpha-ketobutyric acid alpha-ketobutyric acid: RN given refers to parent cpd; structure. 2-oxobutanoic acid : A 2-oxo monocarboxylic acid that is the 2-oxo derivative of butanoic acid. | 2.02 | 1 | 0 | 2-oxo monocarboxylic acid; short-chain fatty acid | |
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. | 3.78 | 3 | 0 | 2-oxo monocarboxylic acid; branched-chain keto acid | algal metabolite; human metabolite |
acetoacetic acid acetoacetic acid : A 3-oxo monocarboxylic acid that is butyric acid bearing a 3-oxo substituent. | 1.96 | 1 | 0 | 3-oxo fatty acid; ketone body | metabolite |
3-mercaptopyruvic acid 3-mercaptopyruvic acid: RN given refers to parent cpd; structure. 3-mercaptopyruvic acid : A 2-oxo monocarboxylic acid that is pyruvic acid substituted by a sulfanyl group at position 3. | 1.96 | 1 | 0 | 2-oxo monocarboxylic acid; thiol | antidote to cyanide poisoning; Escherichia coli metabolite; human metabolite; mouse metabolite |
3-phenylpropionic acid 3-phenylpropionic acid: RN given refers to parent cpd. 3-phenylpropionic acid : A monocarboxylic acid that is propionic acid substituted at position 3 by a phenyl group. | 2.13 | 1 | 0 | benzenes; monocarboxylic acid | antifungal agent; human metabolite; plant metabolite |
ammonium hydroxide azane : Saturated acyclic nitrogen hydrides having the general formula NnHn+2. | 2.37 | 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 |
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. | 2.88 | 4 | 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 |
betaine glycine betaine : The amino acid betaine derived from glycine. | 3.06 | 1 | 0 | amino-acid betaine; glycine derivative | fundamental 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. | 1.95 | 1 | 0 | alkyl alcohol; primary alcohol; short-chain primary fatty alcohol | human metabolite; mouse metabolite; protic solvent |
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. | 1.97 | 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. | 2.36 | 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] | 1.97 | 1 | 0 | amino-acid betaine | human metabolite; mouse metabolite |
choline [no description available] | 3.06 | 1 | 0 | cholines | allergen; Daphnia magna metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; neurotransmitter; nutrient; plant metabolite; Saccharomyces cerevisiae metabolite |
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. | 1.96 | 1 | 0 | (omega-1)-hydroxy fatty acid; 3-hydroxy monocarboxylic acid; hydroxybutyric 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. | 2.91 | 4 | 0 | amino acid zwitterion; monocarboxylic acid; non-proteinogenic alpha-amino acid | ethylene releasers; plant 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. | 3.76 | 3 | 0 | thia fatty acid | phytotoxin |
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. | 3.35 | 7 | 0 | sulfoxide; volatile organic compound | alkylating agent; antidote; Escherichia coli metabolite; geroprotector; MRI contrast agent; non-narcotic analgesic; polar aprotic solvent; radical scavenger |
hydroquinone [no description available] | 2.02 | 1 | 0 | benzenediol; hydroquinones | antioxidant; carcinogenic agent; cofactor; Escherichia coli metabolite; human xenobiotic metabolite; mouse metabolite; skin lightening agent |
indol-3-yl pyruvic acid 3-(indol-3-yl)pyruvic acid : A 2-oxo monocarboxylic acid that is pyruvic acid substituted by a 1H-indol-3-yl group at position 3. It has been found in Lycopersicon esculentum | 2.08 | 1 | 0 | 2-oxo monocarboxylic acid; indol-3-yl carboxylic acid | plant metabolite; Saccharomyces cerevisiae 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 | 3.08 | 5 | 0 | alkanethiol | human metabolite; Saccharomyces cerevisiae 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 | 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. | 2.4 | 2 | 0 | monovalent inorganic anion; nitrogen oxoanion; reactive nitrogen species | |
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. | 2.41 | 2 | 0 | 2-oxo monocarboxylic acid | chromogenic compound; EC 6.4.1.1 (pyruvate carboxylase) inhibitor; fundamental metabolite |
propionic acid propionic acid : A short-chain saturated fatty acid comprising ethane attached to the carbon of a carboxy group. | 1.96 | 1 | 0 | saturated fatty acid; short-chain fatty acid | antifungal drug |
pyridoxal [no description available] | 2.02 | 1 | 0 | hydroxymethylpyridine; methylpyridines; monohydroxypyridine; pyridinecarbaldehyde; vitamin B6 | cofactor; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
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. | 2.08 | 1 | 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 |
pyridoxamine [no description available] | 2.02 | 1 | 0 | aminoalkylpyridine; hydroxymethylpyridine; monohydroxypyridine; vitamin B6 | Escherichia coli metabolite; human metabolite; iron chelator; mouse metabolite; nephroprotective agent; plant metabolite; Saccharomyces cerevisiae metabolite |
pyridoxamine phosphate pyridoxamine phosphate: RN given refers to parent cpd; structure. pyridoxamine 5'-phosphate : A vitamin B6 phosphate that is the phosphoric ester derivative of pyridoxamine. | 2.02 | 1 | 0 | aminoalkylpyridine; methylpyridines; monohydroxypyridine; vitamin B6 phosphate | 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. | 3.82 | 3 | 0 | 2-oxo monocarboxylic acid | cofactor; fundamental metabolite |
sarcosine cocobetaine: N-alkyl-betaine; cause of shampoo dermatitis | 3.06 | 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 |
spermidine [no description available] | 2.42 | 2 | 0 | polyazaalkane; triamine | autophagy inducer; fundamental metabolite; geroprotector |
taurine [no description available] | 1.96 | 1 | 0 | amino sulfonic acid; zwitterion | antioxidant; Escherichia coli metabolite; glycine receptor agonist; human metabolite; mouse metabolite; nutrient; radical scavenger; 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. | 1.96 | 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 |
xanthine 7H-xanthine : An oxopurine in which the purine ring is substituted by oxo groups at positions 2 and 6 and N-7 is protonated.. 9H-xanthine : An oxopurine in which the purine ring is substituted by oxo groups at positions 2 and 6 and N-9 is protonated. | 2.38 | 2 | 0 | xanthine | Saccharomyces cerevisiae metabolite |
5,5-dimethyl-1-pyrroline-1-oxide 5,5-dimethyl-1-pyrroline-1-oxide: do not confuse with DMPO (4',5'-dihydroxy-7-methoxy-4-phenyl-5,2'-oxidocoumarin). 5,5-dimethyl-1-pyrroline N-oxide : A member of the class of 1-pyrroline nitrones (1-pyrroline N-oxides) resulting from the formal N-oxidation of 5,5-dimethyl-1-pyrroline. Used as a spin trap for the study of radicals formed by enzymatic acetaldehyde oxidation. | 1.95 | 1 | 0 | 1-pyrroline nitrones | neuroprotective agent; spin trapping reagent |
2,2'-azobis(2-amidinopropane) 2,2'-azobis(2-amidinopropane): water-soluble free-radical initiator | 2.42 | 2 | 0 | monoazo compound | |
alpha-cyano-4-hydroxycinnamate alpha-cyano-4-hydroxycinnamate: specific inhibitor of pyruvate transport in rat liver mitochondria & human erythrocytes; structure | 1.96 | 1 | 0 | | |
deferoxamine Deferoxamine: Natural product isolated from Streptomyces pilosus. It forms iron complexes and is used as a chelating agent, particularly in the mesylate form.. desferrioxamine B : An acyclic desferrioxamine that is butanedioic acid in which one of the carboxy groups undergoes formal condensation with the primary amino group of N-(5-aminopentyl)-N-hydroxyacetamide and the second carboxy group undergoes formal condensation with the hydroxyamino group of N(1)-(5-aminopentyl)-N(1)-hydroxy-N(4)-[5-(hydroxyamino)pentyl]butanediamide. It is a siderophore native to Streptomyces pilosus biosynthesised by the DesABCD enzyme cluster as a high affinity Fe(III) chelator. | 1.96 | 1 | 0 | acyclic desferrioxamine | bacterial metabolite; ferroptosis inhibitor; iron chelator; siderophore |
eflornithine Eflornithine: An inhibitor of ORNITHINE DECARBOXYLASE, the rate limiting enzyme of the polyamine biosynthetic pathway.. eflornithine : A fluoroamino acid that is ornithine substituted by a difluoromethyl group at position 2. | 2.03 | 1 | 0 | alpha-amino acid; fluoroamino acid | trypanocidal drug |
pentetic acid Pentetic Acid: An iron chelating agent with properties like EDETIC ACID. DTPA has also been used as a chelator for other metals, such as plutonium. | 2.88 | 4 | 0 | pentacarboxylic acid | copper chelator |
disulfiram [no description available] | 1.99 | 1 | 0 | organic disulfide; organosulfur acaricide | angiogenesis inhibitor; antineoplastic agent; apoptosis inducer; EC 1.2.1.3 [aldehyde dehydrogenase (NAD(+))] inhibitor; EC 3.1.1.1 (carboxylesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor; EC 5.99.1.2 (DNA topoisomerase) inhibitor; ferroptosis inducer; fungicide; NF-kappaB inhibitor |
molsidomine Molsidomine: A morpholinyl sydnone imine ethyl ester, having a nitrogen in place of the keto oxygen. It acts as NITRIC OXIDE DONORS and is a vasodilator that has been used in ANGINA PECTORIS.. molsidomine : A member of the class of oxadiazoles that is 1,2,3-oxadiazole substituted by morpholin-4-yl and (ethoxycarbonyl)azanidyl groups at positions 3 and 5, respectively. It is used as a vasodilator drug for the treatment of myocardial ischemic syndrome and congestive heart failure. | 2 | 1 | 0 | ethyl ester; morpholines; oxadiazole; zwitterion | antioxidant; apoptosis inhibitor; cardioprotective agent; nitric oxide donor; vasodilator agent |
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 |
linsidomine linsidomine: RN given refers to parent cpd; structure | 2 | 1 | 0 | morpholines | |
carbon tetrachloride Carbon Tetrachloride: A solvent for oils, fats, lacquers, varnishes, rubber waxes, and resins, and a starting material in the manufacturing of organic compounds. Poisoning by inhalation, ingestion or skin absorption is possible and may be fatal. (Merck Index, 11th ed). tetrachloromethane : A chlorocarbon that is methane in which all the hydrogens have been replaced by chloro groups. | 1.96 | 1 | 0 | chlorocarbon; chloromethanes | hepatotoxic agent; refrigerant |
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. | 1.96 | 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 |
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. | 2.9 | 4 | 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 |
aminopyrine Aminopyrine: A pyrazolone with analgesic, anti-inflammatory, and antipyretic properties but has risk of AGRANULOCYTOSIS. A breath test with 13C-labeled aminopyrine has been used as a non-invasive measure of CYTOCHROME P-450 metabolic activity in LIVER FUNCTION TESTS.. aminophenazone : A pyrazolone that is 1,2-dihydro-3H-pyrazol-3-one substituted by a dimethylamino group at position 4, methyl groups at positions 1 and 5 and a phenyl group at position 2. It exhibits analgesic, anti-inflammatory, and antipyretic properties. | 1.96 | 1 | 0 | pyrazolone; tertiary amino compound | antipyretic; environmental contaminant; non-narcotic analgesic; non-steroidal anti-inflammatory drug; xenobiotic |
edetic acid Edetic Acid: A chelating agent that sequesters a variety of polyvalent cations such as CALCIUM. It is used in pharmaceutical manufacturing and as a food additive. | 3.91 | 13 | 0 | ethylenediamine derivative; polyamino carboxylic acid; tetracarboxylic acid | anticoagulant; antidote; chelator; copper chelator; geroprotector |
acepromazine Acepromazine: A phenothiazine that is used in the treatment of PSYCHOSES.. acepromazine : A member of the class of phenothiazines that is 10H-phenothiazine substituted by an acetyl group at position 2 and a 3-(dimethylamino)propyl group at position 10. | 2.06 | 1 | 0 | aromatic ketone; methyl ketone; phenothiazines; tertiary amino compound | phenothiazine antipsychotic drug |
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. | 2.02 | 1 | 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. | 7.86 | 101 | 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 |
phenylalanine Phenylalanine: An essential aromatic amino acid that is a precursor of MELANIN; DOPAMINE; noradrenalin (NOREPINEPHRINE), and THYROXINE.. L-phenylalanine : The L-enantiomer of phenylalanine.. phenylalanine : An aromatic amino acid that is alanine in which one of the methyl hydrogens is substituted by a phenyl group. | 2.37 | 2 | 0 | amino acid zwitterion; erythrose 4-phosphate/phosphoenolpyruvate family amino acid; L-alpha-amino acid; phenylalanine; proteinogenic amino acid | algal metabolite; EC 3.1.3.1 (alkaline phosphatase) inhibitor; Escherichia coli metabolite; human xenobiotic metabolite; micronutrient; mouse metabolite; nutraceutical; plant metabolite; Saccharomyces cerevisiae metabolite |
mannitol [no description available] | 2.37 | 2 | 0 | mannitol | allergen; antiglaucoma drug; compatible osmolytes; Escherichia coli metabolite; food anticaking agent; food bulking agent; food humectant; food stabiliser; food thickening agent; hapten; metabolite; osmotic diuretic; sweetening agent |
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. | 2.02 | 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 |
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. | 1.95 | 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 |
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. | 2.02 | 1 | 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 |
tryptophan Tryptophan: An essential amino acid that is necessary for normal growth in infants and for NITROGEN balance in adults. It is a precursor of INDOLE ALKALOIDS in plants. It is a precursor of SEROTONIN (hence its use as an antidepressant and sleep aid). It can be a precursor to NIACIN, albeit inefficiently, in mammals.. tryptophan : An alpha-amino acid that is alanine bearing an indol-3-yl substituent at position 3. | 2.08 | 1 | 0 | erythrose 4-phosphate/phosphoenolpyruvate family amino acid; L-alpha-amino acid zwitterion; L-alpha-amino acid; proteinogenic amino acid; tryptophan zwitterion; tryptophan | antidepressant; 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. | 2.02 | 1 | 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 |
ethylene Plastipore: high density polyethylene sponge biocompatible material; used as posts in dental bridges | 4.13 | 16 | 0 | alkene; gas molecular entity | plant hormone; refrigerant |
diquat Diquat: A contact herbicide used also to produce desiccation and defoliation. (From Merck Index, 11th ed). diquat : The organic cation formed formally by addition of an ethylene bridge between the nitrogen atoms of 2,2'-bipyridine. Most often available as the dibromide. | 1.96 | 1 | 0 | organic cation | defoliant; herbicide |
1-phenyl-2-propanone 1-phenyl-2-propanone: analog of propiophenone where carbonyl group is on the 2 carbon atom instead of the 1 carbon atom of the side chain. phenylacetone : A propanone that is propan-2-one substituted by a phenyl group at position 1. | 2.13 | 1 | 0 | methyl ketone; propanones | |
pyrroles 1H-pyrrole : A tautomer of pyrrole that has the double bonds at positions 2 and 4.. pyrrole : A five-membered monocyclic heteroarene comprising one NH and four CH units which forms the parent compound of the pyrrole group of compounds. Its five-membered ring structure has three tautomers. A 'closed class'.. azole : Any monocyclic heteroarene consisting of a five-membered ring containing nitrogen. Azoles can also contain one or more other non-carbon atoms, such as nitrogen, sulfur or oxygen. | 1.95 | 1 | 0 | pyrrole; secondary amine | |
nitroblue tetrazolium Nitroblue Tetrazolium: Colorless to yellow dye that is reducible to blue or black formazan crystals by certain cells; formerly used to distinguish between nonbacterial and bacterial diseases, the latter causing neutrophils to reduce the dye; used to confirm diagnosis of chronic granulomatous disease. | 1.97 | 1 | 0 | organic cation | |
oxanilic acid oxanilic acid: RN given refers to parent cpd; structure | 2.13 | 1 | 0 | | |
malondialdehyde Malondialdehyde: The dialdehyde of malonic acid.. malonaldehyde : A dialdehyde that is propane substituted by two oxo groups at the terminal carbon atoms respectively. A biomarker of oxidative damage to lipids caused by smoking, it exists in vivo mainly in the enol form. | 2.39 | 2 | 0 | dialdehyde | biomarker |
alpha-hydroxy-gamma-methylmercaptobutyric acid alpha-hydroxy-gamma-methylmercaptobutyric acid: RN given refers to parent cpd | 2.9 | 4 | 0 | thia fatty acid | |
phenylglyoxylic acid phenylglyoxylic acid: styrene metabolite. phenylglyoxylic acid : A 2-oxo monocarboxylic acid that is glyoxylic acid in which the aldehyde hydrogen is substituted by a phenyl group. | 2.13 | 1 | 0 | 2-oxo monocarboxylic acid | biomarker; human xenobiotic metabolite |
2-benzylmalonate [no description available] | 2.13 | 1 | 0 | | |
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. | 2.67 | 3 | 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 |
selenomethionine [no description available] | 1.98 | 1 | 0 | selenoamino acid; selenomethionines | plant metabolite |
paraquat Paraquat: A poisonous dipyridilium compound used as contact herbicide. Contact with concentrated solutions causes irritation of the skin, cracking and shedding of the nails, and delayed healing of cuts and wounds.. paraquat : An organic cation that consists of 4,4'-bipyridine bearing two N-methyl substituents loctated at the 1- and 1'-positions. | 2.38 | 2 | 0 | organic cation | geroprotector; herbicide |
methionine sulfoximine methionine sulfoximine : A non-proteinogenic alpha-amino acid that is the sulfoximine derivative of methionine . | 1.96 | 1 | 0 | methionine derivative; non-proteinogenic alpha-amino acid; sulfoximide | |
methional [no description available] | 3.08 | 5 | 0 | aliphatic sulfide | prostaglandin antagonist |
buthionine sulfoximine Buthionine Sulfoximine: A synthetic amino acid that depletes glutathione by irreversibly inhibiting gamma-glutamylcysteine synthetase. Inhibition of this enzyme is a critical step in glutathione biosynthesis. It has been shown to inhibit the proliferative response in human T-lymphocytes and inhibit macrophage activation. (J Biol Chem 1995;270(33):1945-7). 2-amino-4-(S-butylsulfonimidoyl)butanoic acid : A non-proteinogenic alpha-amino acid that is homocysteine in which the thiol group carries an oxo, imino and butyl groups.. S-butyl-DL-homocysteine (S,R)-sulfoximine : A sulfoximide that is the sulfoximine derivative of an analogue of DL-methionine in which the S-methyl group is replaced by S-butyl. | 1.96 | 1 | 0 | diastereoisomeric mixture; homocysteines; non-proteinogenic alpha-amino acid; sulfoximide | EC 6.3.2.2 (glutamate--cysteine ligase) inhibitor; ferroptosis inducer |
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. | 1.97 | 1 | 0 | elemental manganese; manganese group element atom | Escherichia coli metabolite; micronutrient |
hypochlorous acid Hypochlorous Acid: An oxyacid of chlorine (HClO) containing monovalent chlorine that acts as an oxidizing or reducing agent.. hypochlorous acid : A chlorine oxoacid with formula HOCl; a weak, unstable acid, it is the active form of chlorine in water. | 1.96 | 1 | 0 | chlorine oxoacid; reactive oxygen species | EC 2.5.1.18 (glutathione transferase) inhibitor; EC 3.1.1.7 (acetylcholinesterase) inhibitor; human metabolite |
ferrous sulfate ferrous sulfate: Ferro-Gradumet is ferrous sulfate in controlled release form; RN given refers to Fe(+2)[1:1] salt. iron(2+) sulfate (anhydrous) : A compound of iron and sulfate in which the ratio of iron(2+) to sulfate ions is 1:1. Various hydrates occur naturally - most commonly the heptahydrate, which loses water to form the tetrahydrate at 57degreeC and the monohydrate at 65degreeC. | 1.96 | 1 | 0 | iron molecular entity; metal sulfate | reducing agent |
ammonium chloride Ammonium Chloride: An acidifying agent that has expectorant and diuretic effects. Also used in etching and batteries and as a flux in electroplating.. ammonium chloride : An inorganic chloride having ammonium as the counterion. | 1.97 | 1 | 0 | ammonium salt; inorganic chloride | ferroptosis inhibitor |
tetradecanoylphorbol acetate Tetradecanoylphorbol Acetate: A phorbol ester found in CROTON OIL with very effective tumor promoting activity. It stimulates the synthesis of both DNA and RNA.. phorbol ester : Esters of phorbol, originally found in croton oil (from Croton tiglium, of the family Euphorbiaceae). A number of phorbol esters possess activity as tumour promoters and activate the mechanisms associated with cell growth. Some of these are used in experiments as activators of protein kinase C.. phorbol 13-acetate 12-myristate : A phorbol ester that is phorbol in which the hydroxy groups at the cyclopropane ring juction (position 13) and the adjacent carbon (position 12) have been converted into the corresponding acetate and myristate esters. It is a major active constituent of the seed oil of Croton tiglium. It has been used as a tumour promoting agent for skin carcinogenesis in rodents and is associated with increased cell proliferation of malignant cells. However its function is controversial since a decrease in cell proliferation has also been observed in several cancer cell types. | 2.41 | 2 | 0 | acetate ester; diester; phorbol ester; tertiary alpha-hydroxy ketone; tetradecanoate ester | antineoplastic agent; apoptosis inducer; carcinogenic agent; mitogen; plant metabolite; protein kinase C agonist; reactive oxygen species generator |
iodine [no description available] | 1.97 | 1 | 0 | halide anion; monoatomic iodine | human metabolite |
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. | 1.96 | 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 |
azides Azides: Organic or inorganic compounds that contain the -N3 group.. azide : Any nitrogen molecular entity containing the group -N3. | 1.96 | 1 | 0 | pseudohalide anion | mitochondrial respiratory-chain inhibitor |
adenosine quinquefolan B: isolated from roots of Panax quinquefolium L.; RN not in Chemline 10/87; RN from Toxlit | 4.16 | 5 | 0 | adenosines; purines D-ribonucleoside | analgesic; anti-arrhythmia drug; fundamental metabolite; human metabolite; vasodilator agent |
methionine methyl ester [no description available] | 2.02 | 1 | 0 | | |
aspartate-beta-hydroxamate beta-aspartylhydroxamic acid: RN given refers to (DL)-isomer | 2.02 | 1 | 0 | | |
peroxynitric acid [no description available] | 2.4 | 2 | 0 | nitrogen oxoacid | |
dicarbine dicarbine: minor descriptor (77-84); on-line & Index Medicus search CARBOLINES (77-84); RN given refers to parent cpd without isomeric designation | 1.97 | 1 | 0 | | |
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. | 3.47 | 2 | 0 | amino acid zwitterion; homocysteine; serine family amino acid | fundamental metabolite; mouse metabolite |
cobalt Cobalt: A trace element that is a component of vitamin B12. It has the atomic symbol Co, atomic number 27, and atomic weight 58.93. It is used in nuclear weapons, alloys, and pigments. Deficiency in animals leads to anemia; its excess in humans can lead to erythrocytosis.. cobalt(1+) : A monovalent inorganic cation obtained from cobalt.. cobalt atom : A cobalt group element atom that has atomic number 27. | 2.38 | 2 | 0 | cobalt group element atom; metal allergen | micronutrient |
hypotaurine [no description available] | 1.96 | 1 | 0 | aminosulfinic acid; zwitterion | human metabolite; metabolite; mouse metabolite |
s-(2-benzothiazolyl)cysteine S-(2-benzothiazolyl)cysteine: RN given refers to (L)-isomer; structure given in first source | 1.97 | 1 | 0 | | |
magnesium pyrophosphate magnesium pyrophosphate: RN given refers to parent cpd (2:1) | 1.97 | 1 | 0 | | |
hydroxyl radical Hydroxyl Radical: The univalent radical OH. Hydroxyl radical is a potent oxidizing agent. | 4.27 | 19 | 0 | oxygen hydride; oxygen radical; reactive oxygen species | |
fenton's reagent Fenton's reagent: used for oxidizing sugars & alcohols | 1.98 | 1 | 0 | | |
lignin Lignin: The most abundant natural aromatic organic polymer found in all vascular plants. Lignin together with cellulose and hemicellulose are the major cell wall components of the fibers of all wood and grass species. Lignin is composed of coniferyl, p-coumaryl, and sinapyl alcohols in varying ratios in different plant species. (From Merck Index, 11th ed). lignin : A polyphenylpropanoid derived from three monolignol monomers: trans-p-coumaryl alcohol, coniferol and trans-sinapyl alcohol. There is extensive cross-linking and no defined primary structure. | 2.36 | 2 | 0 | | |
fe(iii)-edta Fe(III)-EDTA: iron fortifying agent; RN given refers to parent cpd | 3.06 | 5 | 0 | iron coordination entity | |
5'-methylthioadenosine 5'-methylthioadenosine: structure. 5'-S-methyl-5'-thioadenosine : Adenosine with the hydroxy group at C-5' substituted with a methylthio (methylsulfanyl) group. | 3.97 | 4 | 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. | 2.02 | 1 | 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). | 1.97 | 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 |
sodium benzoate Sodium Benzoate: The sodium salt of BENZOIC ACID. It is used as an antifungal preservative in pharmaceutical preparations and foods. It may also be used as a test for liver function.. sodium benzoate : An organic sodium salt resulting from the replacement of the proton from the carboxy group of benzoic acid by a sodium ion. | 2.02 | 1 | 0 | organic sodium salt | 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 |
alpha-cyanocinnamate alpha-cyanocinnamate: RN given refers to cpd without isomeric designation | 1.96 | 1 | 0 | | |
malonyl coenzyme a Malonyl Coenzyme A: A coenzyme A derivative which plays a key role in the fatty acid synthesis in the cytoplasmic and microsomal systems.. omega-carboxyacyl-CoA : An acyl-CoA that results from the formal condensation of the thiol group of coenzyme A with one of the carboxy groups of any alpha,omega-dicarboxylic acid. | 2.02 | 1 | 0 | malonyl-CoAs | EC 2.3.1.21 (carnitine O-palmitoyltransferase) inhibitor; Escherichia coli metabolite; metabolite; mouse metabolite |
pyrophosphate Diphosphates: Inorganic salts of phosphoric acid that contain two phosphate groups. | 1.97 | 1 | 0 | diphosphate ion | |
nadp [no description available] | 3.36 | 7 | 0 | | |
dtpa ferric chelate [no description available] | 1.97 | 1 | 0 | | |
crocin crocin: a free radical scavenger | 1.98 | 1 | 0 | | |
quercetin [no description available] | 1.99 | 1 | 0 | 7-hydroxyflavonol; pentahydroxyflavone | antibacterial agent; antineoplastic agent; antioxidant; Aurora kinase inhibitor; chelator; EC 1.10.99.2 [ribosyldihydronicotinamide dehydrogenase (quinone)] inhibitor; geroprotector; phytoestrogen; plant metabolite; protein kinase inhibitor; radical scavenger |
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. | 2.38 | 2 | 0 | | |
leukotriene e4 Leukotriene E4: A biologically active principle of SRS-A that is formed from LEUKOTRIENE D4 via a peptidase reaction that removes the glycine residue. The biological actions of LTE4 are similar to LTC4 and LTD4. (From Dictionary of Prostaglandins and Related Compounds, 1990). leukotriene E4 : A leukotriene that is (7E,9E,11Z,14Z)-icosa-7,9,11,14-tetraenoic acid substituted by a hydroxy group at position 5 (5S) and an L-cystein-S-yl group at position 6 (6R). | 1.97 | 1 | 0 | amino dicarboxylic acid; L-cysteine thioether; leukotriene; non-proteinogenic L-alpha-amino acid; secondary alcohol | |
genistein [no description available] | 2.05 | 1 | 0 | 7-hydroxyisoflavones | antineoplastic agent; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor; geroprotector; human urinary metabolite; phytoestrogen; plant metabolite; tyrosine kinase inhibitor |
astaxanthine astaxanthine: a keto form of carotene; pigment in flesh of Scottish salmon (Salmo salar) crustacoa-lobster (Homarus gammarus, flamingo feathers; structure; a carotenoid without vitamin A activity, has shown anti-oxidant and anti-inflammatory activities. astaxanthin : A carotenone that consists of beta,beta-carotene-4,4'-dione bearing two hydroxy substituents at positions 3 and 3' (the 3S,3'S diastereomer). A carotenoid pigment found mainly in animals (crustaceans, echinoderms) but also occurring in plants. It can occur free (as a red pigment), as an ester, or as a blue, brown or green chromoprotein. | 2.02 | 1 | 0 | carotenol; carotenone | animal metabolite; anticoagulant; antioxidant; food colouring; plant metabolite |
coenzyme q10 coenzyme Q10: Ubiquinone ring with a chain of 10 isoprene units; redox equilibrium with ubiqunol serving in mitochondrial inner membrane to transfer electrons; presence during reconstitution of acetylcholine receptor into phospholipid vesicles yields vesicles active in catalyzing carbamylcholine-sensitive Na+ flux; coenzyme Q10 depletion has been noted with use of statins. coenzyme Q10 : A ubiquinone having a side chain of 10 isoprenoid units. In the naturally occurring isomer, all isoprenyl double bonds are in the E- configuration. | 2.02 | 1 | 0 | ubiquinones | antioxidant; ferroptosis inhibitor; human metabolite |
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. | 3.76 | 3 | 0 | chalcogen; nonmetal atom | macronutrient |
puerarin [no description available] | 2.05 | 1 | 0 | C-glycosyl compound; isoflavonoid | |
deoxyribose [no description available] | 2.38 | 2 | 0 | deoxypentose | human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
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. | 4.16 | 5 | 0 | cysteinium | fundamental metabolite |
s-(1,2-dichlorovinyl)cysteine S-(1,2-dichlorovinyl)cysteine: RN given refers to (L-Cys)-isomer; structure given in first source. S-(cis-1,2-dichlorovinyl)-L-cysteine : An S-(1,2-dichlorovinyl)-L-cysteine in which the dichlorovinyl group has cis- (Z-) geometry. | 2.66 | 3 | 0 | S-(1,2-dichlorovinyl)-L-cysteine | |
staurosporine staurosporinium : Conjugate acid of staurosporine. | 2.08 | 1 | 0 | ammonium ion derivative | |
mocetinostat mocetinostat: undergoing phase II clinical trials for treatment of cancer. mocetinostat : A benzamide obtained by formal condensation of the carboxy group of 4-({[4-(pyridin-3-yl)pyrimidin-2-yl]amino}methyl)benzoic acid with one of the amino groups of benzene-1,2-diamine. It is an orally active and isotype-selective HDAC inhibitor which exhibits antitumour activity (IC50 = 0.15, 0.29, 1.66 and 0.59 muM for HDAC1, HDAC2, HDAC3 and HDAC11). | 2.68 | 3 | 0 | aminopyrimidine; benzamides; pyridines; secondary amino compound; secondary carboxamide; substituted aniline | antineoplastic agent; apoptosis inducer; autophagy inducer; cardioprotective agent; EC 3.5.1.98 (histone deacetylase) inhibitor; hepatotoxic agent |
nad NAD(1-) : An anionic form of nicotinamide adenine dinucleotide arising from deprotonation of the two OH groups of the diphosphate moiety. | 3.08 | 5 | 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 | |
ubiquinone Ubiquinone: A lipid-soluble benzoquinone which is involved in ELECTRON TRANSPORT in mitochondrial preparations. The compound occurs in the majority of aerobic organisms, from bacteria to higher plants and animals. | 2.02 | 1 | 0 | | |
1-phospho-5-s-methylthioribulose S-methyl-5-thio-D-ribulose 1-phosphate(2-) : Dianion of S-methyl-5-thio-D-ribulose 1-phosphate. | 2.08 | 1 | 0 | organophosphate oxoanion | human metabolite; Saccharomyces cerevisiae metabolite |
olaparib [no description available] | 2.08 | 1 | 0 | cyclopropanes; monofluorobenzenes; N-acylpiperazine; phthalazines | antineoplastic agent; apoptosis inducer; EC 2.4.2.30 (NAD(+) ADP-ribosyltransferase) inhibitor |
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. | 4.26 | 3 | 0 | organic cation; sulfonium compound | coenzyme; cofactor; human metabolite; micronutrient; Mycoplasma genitalium metabolite; nutraceutical; Saccharomyces cerevisiae metabolite |
ascorbic acid Ascorbic Acid: A six carbon compound related to glucose. It is found naturally in citrus fruits and many vegetables. Ascorbic acid is an essential nutrient in human diets, and necessary to maintain connective tissue and bone. Its biologically active form, vitamin C, functions as a reducing agent and coenzyme in several metabolic pathways. Vitamin C is considered an antioxidant.. L-ascorbic acid : The L-enantiomer of ascorbic acid and conjugate acid of L-ascorbate.. L-ascorbate : The L-enantiomer of ascorbate and conjugate base of L-ascorbic acid, arising from selective deprotonation of the 3-hydroxy group. Required for a range of essential metabolic reactions in all animals and plants.. vitamin C : Any member of a group of vitamers that belong to the chemical structural class called butenolides that exhibit biological activity against vitamin C deficiency in animals. The vitamers include L-ascorbic acid and its salt, ionized and oxidized forms. | 3.08 | 5 | 0 | ascorbic acid; vitamin C | coenzyme; cofactor; flour treatment agent; food antioxidant; food colour retention agent; geroprotector; plant metabolite; skin lightening agent |
glutaminase [no description available] | 1.96 | 1 | 0 | | |
caseins Caseins: A mixture of related phosphoproteins occurring in milk and cheese. The group is characterized as one of the most nutritive milk proteins, containing all of the common amino acids and rich in the essential ones. | 1.96 | 1 | 0 | | |
asbestos, crocidolite Asbestos, Crocidolite: A lavender, acid-resistant asbestos. | 1.96 | 1 | 0 | | |
lactoferrin Lactoferrin: An iron-binding protein that was originally characterized as a milk protein. It is widely distributed in secretory fluids and is found in the neutrophilic granules of LEUKOCYTES. The N-terminal part of lactoferrin possesses a serine protease which functions to inactivate the TYPE III SECRETION SYSTEM used by bacteria to export virulence proteins for host cell invasion. | 1.96 | 1 | 0 | | |
allopurinol Allopurinol: A XANTHINE OXIDASE inhibitor that decreases URIC ACID production. It also acts as an antimetabolite on some simpler organisms.. allopurinol : A bicyclic structure comprising a pyrazole ring fused to a hydroxy-substituted pyrimidine ring. | 3.76 | 11 | 0 | nucleobase analogue; organic heterobicyclic compound | antimetabolite; EC 1.17.3.2 (xanthine oxidase) inhibitor; gout suppressant; radical scavenger |
dinitrobenzenes Dinitrobenzenes: Benzene derivatives which are substituted with two nitro groups in the ortho, meta or para positions. | 1.95 | 1 | 0 | | |