| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
cadaverine
[no description available] | 2 | 1 | 0 | alkane-alpha,omega-diamine | Daphnia magna metabolite;
Escherichia coli metabolite;
mouse metabolite;
plant metabolite |
glycine
[no description available] | 1.99 | 1 | 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 |
imidazole
imidazole: RN given refers to parent cpd. 1H-imidazole : An imidazole tautomer which has the migrating hydrogen at position 1. | 2.08 | 1 | 0 | imidazole | |
inositol
Inositol: An isomer of glucose that has traditionally been considered to be a B vitamin although it has an uncertain status as a vitamin and a deficiency syndrome has not been identified in man. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1379) Inositol phospholipids are important in signal transduction.. inositol : Any cyclohexane-1,2,3,4,5,6-hexol.. 1D-chiro-inositol : Belonging to the inositol family of compounds, D-chiro-inositol (DCI) is an isomer of glucose. It is an important secondary messenger in insulin signal transduction.. muco-inositol : An inositol that is cyclohexane-1,2,3,4,5,6-hexol having a (1R,2R,3r,4R,5S,6r)-configuration. | 1.98 | 1 | 0 | cyclitol;
hexol | |
putrescine
[no description available] | 2 | 1 | 0 | alkane-alpha,omega-diamine | antioxidant;
fundamental 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 | 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 |
spermidine
[no description available] | 2.7 | 3 | 0 | polyazaalkane;
triamine | autophagy inducer;
fundamental metabolite;
geroprotector |
spermine
[no description available] | 2 | 1 | 0 | polyazaalkane;
tetramine | antioxidant;
fundamental metabolite;
immunosuppressive agent |
uric acid
Uric Acid: An oxidation product, via XANTHINE OXIDASE, of oxypurines such as XANTHINE and HYPOXANTHINE. It is the final oxidation product of purine catabolism in humans and primates, whereas in most other mammals URATE OXIDASE further oxidizes it to ALLANTOIN.. uric acid : An oxopurine that is the final oxidation product of purine metabolism.. 6-hydroxy-1H-purine-2,8(7H,9H)-dione : A tautomer of uric acid having oxo groups at C-2 and C-8 and a hydroxy group at C-6.. 7,9-dihydro-1H-purine-2,6,8(3H)-trione : An oxopurine in which the purine ring is substituted by oxo groups at positions 2, 6, and 8. | 1.97 | 1 | 0 | uric acid | Escherichia coli metabolite;
human metabolite;
mouse 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. | 2.01 | 1 | 0 | 1-pyrroline nitrones | neuroprotective agent;
spin trapping reagent |
bepridil
Bepridil: A long-acting calcium-blocking agent with significant anti-anginal activity. The drug produces significant coronary vasodilation and modest peripheral effects. It has antihypertensive and selective anti-arrhythmia activities and acts as a calmodulin antagonist.. bepridil : A tertiary amine in which the substituents on nitrogen are benzyl, phenyl and 3-(2-methylpropoxy)-2-(pyrrolidin-1-yl)propyl. | 2 | 1 | 0 | pyrrolidines;
tertiary amine | anti-arrhythmia drug;
antihypertensive agent;
calcium channel blocker;
vasodilator agent |
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 | 1 | 0 | alpha-amino acid;
fluoroamino acid | trypanocidal drug |
pargyline
Pargyline: A monoamine oxidase inhibitor with antihypertensive properties. | 1.99 | 1 | 0 | aromatic amine | |
safrole
Safrole: A member of the BENZODIOXOLES that is a constituent of several VOLATILE OILS, notably SASSAFRAS oil. It is a precursor in the synthesis of the insecticide PIPERONYL BUTOXIDE and the drug N-methyl-3,4-methylenedioxyamphetamine (MDMA).. safrole : A member of the class of benzodioxoles that is 1,3-benzodioxole which is substituted by an allyl group at position 5. It is found in several plants, including black pepper, cinnamon and nutmeg, and is present in several essential oils, notably that of sassafras. It has insecticidal properties and has been used as a topical antiseptic. Although not thought to pose a significant carcinogenic risk to humans, findings of weak carcinogenicity in rats have resulted in the banning of its (previously widespread) use in perfumes and soaps, and as a food additive. | 2.08 | 1 | 0 | benzodioxoles | flavouring agent;
insecticide;
metabolite;
plant 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. | 1.97 | 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 |
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. | 3.85 | 3 | 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 |
sulfoxide
sulfoxide: synergistic insecticide for use with pyrethrum, allethrin, rotenone, ryania, etc.; RN given refers to parent cpd; structure. sulfoxide : An organosulfur compound having the structure R2S=O or R2C=S=O (R =/= H). | 2.08 | 1 | 0 | benzodioxoles | |
dithiothreitol
1,4-dimercaptobutane-2,3-diol : A glycol that is butane-2,3-diol in which a hydrogen from each of the methyl groups is replaced by a thiol group.. 1,4-dithiothreitol : The threo-diastereomer of 1,4-dimercaptobutane-2,3-diol. | 2 | 1 | 0 | 1,4-dimercaptobutane-2,3-diol;
butanediols;
dithiol;
glycol;
thiol | chelator;
human metabolite;
reducing agent |
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. | 2 | 1 | 0 | chlorine oxoacid;
reactive oxygen species | EC 2.5.1.18 (glutathione transferase) inhibitor;
EC 3.1.1.7 (acetylcholinesterase) inhibitor;
human metabolite |
6-hydroxy-2,5,7,8-tetramethylchroman-2-carboxylic acid
[no description available] | 1.97 | 1 | 0 | chromanol;
monocarboxylic acid;
phenols | antioxidant;
ferroptosis inhibitor;
neuroprotective agent;
radical scavenger;
Wnt signalling inhibitor |
s-nitrosoglutathione
[no description available] | 2.01 | 1 | 0 | glutathione derivative;
nitrosothio compound | bronchodilator agent;
nitric oxide donor;
platelet aggregation inhibitor;
signalling molecule |
dityrosine
dityrosine: o,o'-biphenol analog of tyrosine; isolated from insoluble protein of human cataractous lenses; structure. dityrosine : A biphenyl compound comprising two tyrosine residues linked at carbon-3 of their benzene rings. | 1.97 | 1 | 0 | biphenyls;
non-proteinogenic alpha-amino acid;
tyrosine derivative | biomarker |
trypanothione
trypanothione disulfide : An organic disulfide resulting from the formal oxidative coupling of the thiol groups of N(1),N(8)-bis(glutathionyl)-spermidine from the insect-parasitic trypanosomatid Crithidia fasciculata. | 2.7 | 3 | 0 | organic disulfide | |
ovothiol c
ovothiol C: confers NAD(P)H-O2 oxidoreductase activity on ovoperoxidase; from sea urchin eggs; structure given in first source. ovothiol C : A L-histidine derivative that is N,N-dimethyl-L-histidine substituted at positions N3 and C5 on the imidazole ring by methyl and mercapto groups respectively. | 3.27 | 1 | 0 | aryl thiol;
L-alpha-amino acid zwitterion;
L-histidine derivative | antioxidant;
marine metabolite;
radical scavenger |
hydroxyl radical
Hydroxyl Radical: The univalent radical OH. Hydroxyl radical is a potent oxidizing agent. | 2.41 | 2 | 0 | oxygen hydride;
oxygen radical;
reactive oxygen species | |
propargylglycine
propargylglycine: RN given refers to cpd without isomeric designation; structure | 1.99 | 1 | 0 | | |
glutathionylspermidine
[no description available] | 2 | 1 | 0 | glutathione derivative | Escherichia coli metabolite |
mycothiol
mycothiol: a glyco-inositol-cysteine found in MYCOBACTERIUM BOVIS which conjugates exogenous compounds for detoxication; it is a microbe counterpart to eucaryotic GLUTATHIONE; acted on by mycothiol disulfide reductase and mycothiol S-conjugate amidase and MDF dehydrogenase;. mycothiol S-conjugate : Any S-conjugate of mycothiol.. mycothiol : A pseudodisaccharide, 1D-myo-inosityl-alpha-D-glucopyranoside, in which the hydroxy group at the 2-position of the glucose moiety is replaced by an (N-acetyl-L-cysteinyl)amido group. | 1.98 | 1 | 0 | | |
1,1-diphenyl-2-picrylhydrazyl
1,1-diphenyl-2-picrylhydrazyl: A diphenyl picrate; the ability to decolorize this stable radical indicates reactivity of tested compounds (Banda, Anal Chem 46:1772-7 1974) | 2 | 1 | 0 | | |
ergothioneine
ergothioneine thione form : A L-histidine derivative that is N(alpha),N(alpha),N(alpha)-trimethyl-L-histidine in which the hydrogen at position 2 on the imdazole ring is replaced by a thioxo group. | 8.51 | 1 | 0 | 1,3-dihydroimidazole-2-thiones;
amino-acid betaine;
L-histidine derivative;
sulfur-containing amino acid | antioxidant;
chelator;
fungal metabolite;
plant metabolite;
xenobiotic 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. | 1.99 | 1 | 0 | chalcogen;
nonmetal atom | macronutrient |
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. | 7.68 | 3 | 0 | cysteinium | fundamental metabolite |
ammonium sulfate
Ammonium Sulfate: Sulfuric acid diammonium salt. It is used in CHEMICAL FRACTIONATION of proteins.. ammonium sulfate : An inorganic sulfate salt obtained by reaction of sulfuric acid with two equivalents of ammonia. A high-melting (decomposes above 280degreeC) white solid which is very soluble in water (70.6 g/100 g water at 0degreeC; 103.8 g/100 g water at 100degreeC), it is widely used as a fertilizer for alkaline soils. | 1.99 | 1 | 0 | ammonium salt;
inorganic sulfate salt | fertilizer |
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 | 1 | 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 |
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. | 1.97 | 1 | 0 | ascorbic acid;
vitamin C | coenzyme;
cofactor;
flour treatment agent;
food antioxidant;
food colour retention agent;
geroprotector;
plant metabolite;
skin lightening agent |
selenoneine
selenoneine: isolated from the blood of bluefin tuna, Thunnus orientalis; structure in first source. selenoneine : A histidine derivative that is N(alpha),N(alpha),N(alpha)-trimethyl-L-histidine substituted by a selenoxo group at position 2 on the imidazole ring. A selenium-containing antioxidant found in tuna blood. | 8.51 | 1 | 0 | | |