| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
acetylcarnitine
Acetylcarnitine: An acetic acid ester of CARNITINE that facilitates movement of ACETYL COA into the matrices of mammalian MITOCHONDRIA during the oxidation of FATTY ACIDS. | 2.39 | 2 | 0 | O-acylcarnitine | human metabolite |
gamma-aminobutyric acid
gamma-Aminobutyric Acid: The most common inhibitory neurotransmitter in the central nervous system.. gamma-aminobutyric acid : A gamma-amino acid that is butanoic acid with the amino substituent located at C-4. | 2.11 | 1 | 0 | amino acid zwitterion;
gamma-amino acid;
monocarboxylic acid | human metabolite;
neurotransmitter;
Saccharomyces cerevisiae metabolite;
signalling molecule |
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. | 1.96 | 1 | 0 | monocarboxylic acid | antimicrobial food preservative;
Daphnia magna metabolite;
food acidity regulator;
protic solvent |
betaine
glycine betaine : The amino acid betaine derived from glycine. | 12.51 | 27 | 2 | amino-acid betaine;
glycine derivative | fundamental metabolite |
carnitine
[no description available] | 4.77 | 7 | 1 | amino-acid betaine | human metabolite;
mouse metabolite |
choline
[no description available] | 2.93 | 4 | 0 | cholines | allergen;
Daphnia magna metabolite;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
neurotransmitter;
nutrient;
plant metabolite;
Saccharomyces cerevisiae metabolite |
chlorine
chloride : A halide anion formed when chlorine picks up an electron to form an an anion. | 2.42 | 2 | 0 | halide anion;
monoatomic chlorine | cofactor;
Escherichia coli metabolite;
human metabolite |
gallic acid
gallate : A trihydroxybenzoate that is the conjugate base of gallic acid. | 3.3 | 6 | 0 | trihydroxybenzoic acid | antineoplastic agent;
antioxidant;
apoptosis inducer;
astringent;
cyclooxygenase 2 inhibitor;
EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor;
geroprotector;
human xenobiotic metabolite;
plant metabolite |
gamma-butyrobetaine
4-(trimethylammonio)butanoate : An amino-acid betaine gamma-aminobutyric acid zwitterion in which all of the hydrogens attached to the nitrogen are replaced by methyl groups. | 2.67 | 3 | 0 | amino-acid betaine | Escherichia coli metabolite;
human metabolite |
glycine
[no description available] | 2.06 | 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 |
glycocyamine
glycocyamine: RN given refers to parent cpd; structure. guanidinoacetate : A monocarboxylic acid anion that is the conjugate base of guanidinoacetic acid, obtained by deprotonation of the carboxy group.. guanidinoacetic acid : The N-amidino derivative of glycine. | 2.06 | 1 | 0 | guanidinoacetic acids;
zwitterion | bacterial metabolite;
human metabolite;
mouse metabolite;
nutraceutical;
rat metabolite |
hydrogen
Hydrogen: The first chemical element in the periodic table with atomic symbol H, and atomic number 1. Protium (atomic weight 1) is by far the most common hydrogen isotope. Hydrogen also exists as the stable isotope DEUTERIUM (atomic weight 2) and the radioactive isotope TRITIUM (atomic weight 3). Hydrogen forms into a diatomic molecule at room temperature and appears as a highly flammable colorless and odorless gas.. dihydrogen : An elemental molecule consisting of two hydrogens joined by a single bond. | 2.44 | 2 | 0 | elemental hydrogen;
elemental molecule;
gas molecular entity | antioxidant;
electron donor;
food packaging gas;
fuel;
human metabolite |
pipecolic acid
pipecolic acid: RN given refers to cpd without isomeric designation. pipecolic acid : A piperidinemonocarboxylic acid in which the carboxy group is located at position C-2.. pipecolate : A piperidinecarboxylate that is the conjugate base of pipecolic acid. | 9.83 | 2 | 1 | piperidinemonocarboxylic acid | |
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. | 2.06 | 1 | 0 | cyclitol;
hexol | |
niacin
Niacin: A water-soluble vitamin of the B complex occurring in various animal and plant tissues. It is required by the body for the formation of coenzymes NAD and NADP. It has PELLAGRA-curative, vasodilating, and antilipemic properties.. vitamin B3 : Any member of a group of vitamers that belong to the chemical structural class called pyridines that exhibit biological activity against vitamin B3 deficiency. Vitamin B3 deficiency causes a condition known as pellagra whose symptoms include depression, dermatitis and diarrhea. The vitamers include nicotinic acid and nicotinamide (and their ionized and salt forms).. nicotinic acid : A pyridinemonocarboxylic acid that is pyridine in which the hydrogen at position 3 is replaced by a carboxy group. | 3.47 | 1 | 1 | pyridine alkaloid;
pyridinemonocarboxylic acid;
vitamin B3 | antidote;
antilipemic drug;
EC 3.5.1.19 (nicotinamidase) inhibitor;
Escherichia coli metabolite;
human urinary metabolite;
metabolite;
mouse metabolite;
plant metabolite;
vasodilator agent |
spermidine
[no description available] | 2.13 | 1 | 0 | polyazaalkane;
triamine | autophagy inducer;
fundamental metabolite;
geroprotector |
urea
pseudourea: clinical use; structure. isourea : A carboximidic acid that is the imidic acid tautomer of urea, H2NC(=NH)OH, and its hydrocarbyl derivatives. | 1.98 | 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 |
benzocaine
Benzocaine: A surface anesthetic that acts by preventing transmission of impulses along NERVE FIBERS and at NERVE ENDINGS.. dextran sulfate sodium : An organic sodium salt of dextran sulfate. It induces colitis in mice.. benzocaine : A benzoate ester having 4-aminobenzoic acid as the acid component and ethanol as the alcohol component. A surface anaesthetic, it is used to suppress the gag reflex, and as a lubricant and topical anaesthetic on the larynx, mouth, nasal cavity, respiratory tract, oesophagus, rectum, urinary tract, and vagina. | 2.1 | 1 | 0 | benzoate ester;
substituted aniline | allergen;
antipruritic drug;
sensitiser;
topical anaesthetic |
diphenhydramine
Diphenhydramine: A histamine H1 antagonist used as an antiemetic, antitussive, for dermatoses and pruritus, for hypersensitivity reactions, as a hypnotic, an antiparkinson, and as an ingredient in common cold preparations. It has some undesired antimuscarinic and sedative effects.. diphenhydramine : An ether that is the benzhydryl ether of 2-(dimethylamino)ethanol. It is a H1-receptor antagonist used as a antipruritic and antitussive drug.. antitussive : An agent that suppresses cough. Antitussives have a central or a peripheral action on the cough reflex, or a combination of both. Compare with expectorants, which are considered to increase the volume of secretions in the respiratory tract, so facilitating their removal by ciliary action and coughing, and mucolytics, which decrease the viscosity of mucus, facilitating its removal by ciliary action and expectoration. | 2.08 | 1 | 0 | ether;
tertiary amino compound | anti-allergic agent;
antidyskinesia agent;
antiemetic;
antiparkinson drug;
antipruritic drug;
antitussive;
H1-receptor antagonist;
local anaesthetic;
muscarinic antagonist;
oneirogen;
sedative |
fosfosal
fosfosal: reagent for testing the activity of certain enzymes | 2.1 | 1 | 0 | aryl phosphate | |
gentamicin
Gentamicins: A complex of closely related aminoglycosides obtained from MICROMONOSPORA purpurea and related species. They are broad-spectrum antibiotics, but may cause ear and kidney damage. They act to inhibit PROTEIN BIOSYNTHESIS. | 1.98 | 1 | 0 | | |
isoproterenol
Isoproterenol: Isopropyl analog of EPINEPHRINE; beta-sympathomimetic that acts on the heart, bronchi, skeletal muscle, alimentary tract, etc. It is used mainly as bronchodilator and heart stimulant.. isoprenaline : A secondary amino compound that is noradrenaline in which one of the hydrogens attached to the nitrogen is replaced by an isopropyl group. A sympathomimetic acting almost exclusively on beta-adrenergic receptors, it is used (mainly as the hydrochloride salt) as a bronghodilator and heart stimulant for the management of a variety of cardiac disorders. | 7.15 | 1 | 0 | catechols;
secondary alcohol;
secondary amino compound | beta-adrenergic agonist;
bronchodilator agent;
cardiotonic drug;
sympathomimetic agent |
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. | 2.1 | 1 | 0 | guanidines | environmental contaminant;
geroprotector;
hypoglycemic agent;
xenobiotic |
phloretin
[no description available] | 2.31 | 1 | 0 | dihydrochalcones | antineoplastic agent;
plant metabolite |
trigonelline
trigonelline: in hydra among other organisms; RN given refers to hydroxide inner salt; structure. N-methylnicotinic acid : A pyridinium ion consisting of nicotinic acid having a methyl substituent on the pyridine nitrogen.. N-methylnicotinate : An iminium betaine that is the conjugate base of N-methylnicotinic acid, arising from deprotonation of the carboxy group. | 2.43 | 2 | 0 | alkaloid;
iminium betaine | food component;
human urinary metabolite;
plant metabolite |
sorbitol
D-glucitol : The D-enantiomer of glucitol (also known as D-sorbitol). | 1.97 | 1 | 0 | glucitol | cathartic;
Escherichia coli metabolite;
food humectant;
human metabolite;
laxative;
metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite;
sweetening agent |
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. | 7.17 | 1 | 0 | chlorocarbon;
chloromethanes | hepatotoxic agent;
refrigerant |
phenylephrine
Phenylephrine: An alpha-1 adrenergic agonist used as a mydriatic, nasal decongestant, and cardiotonic agent.. phenylephrine : A member of the class of the class of phenylethanolamines that is (1R)-2-(methylamino)-1-phenylethan-1-ol carrying an additional hydroxy substituent at position 3 on the phenyl ring. | 7.25 | 1 | 0 | phenols;
phenylethanolamines;
secondary amino compound | alpha-adrenergic agonist;
cardiotonic drug;
mydriatic agent;
nasal decongestant;
protective agent;
sympathomimetic agent;
vasoconstrictor agent |
ficusin
Ficusin: A naturally occurring furocoumarin, found in PSORALEA. After photoactivation with UV radiation, it binds DNA via single and double-stranded cross-linking.. psoralen : The simplest member of the class of psoralens that is 7H-furo[3,2-g]chromene having a keto group at position 7. It has been found in plants like Psoralea corylifolia and Ficus salicifolia. | 2.21 | 1 | 0 | psoralens | plant metabolite |
ornithine
Ornithine: An amino acid produced in the urea cycle by the splitting off of urea from arginine.. ornithine : An alpha-amino acid that is pentanoic acid bearing two amino substituents at positions 2 and 5. | 6.93 | 1 | 0 | non-proteinogenic L-alpha-amino acid;
ornithine | algal metabolite;
hepatoprotective agent;
mouse 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. | 2.02 | 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 |
synephrine
[no description available] | 7.86 | 3 | 0 | ethanolamines;
phenethylamine alkaloid;
phenols | alpha-adrenergic agonist;
plant metabolite |
trehalose
alpha,alpha-trehalose : A trehalose in which both glucose residues have alpha-configuration at the anomeric carbon. | 1.97 | 1 | 0 | trehalose | Escherichia coli metabolite;
geroprotector;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
betazole
Betazole: A histamine H2 agonist used clinically to test gastric secretory function.. betazole : Pyrazole in which a hydrogen adjacent to one of the nitrogen atoms is substituted by a 2-aminoethyl group. It is a histamine H2-receptor agonist used clinically to test gastric secretory function. | 2.1 | 1 | 0 | primary amino compound;
pyrazoles | diagnostic agent;
gastrointestinal drug;
histamine agonist |
catechin
Catechin: An antioxidant flavonoid, occurring especially in woody plants as both (+)-catechin and (-)-epicatechin (cis) forms.. catechin : Members of the class of hydroxyflavan that have a flavan-3-ol skeleton and its substituted derivatives.. rac-catechin : A racemate comprising equimolar amounts of (+)- and (-)-catechin. (+)-catechin : The (+)-enantiomer of catechin and a polyphenolic antioxidant plant metabolite. | 2.1 | 1 | 0 | catechin | antioxidant;
plant metabolite |
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. | 2.07 | 1 | 0 | azaarene;
mancude organic heterobicyclic parent;
ortho-fused heteroarene;
quinazolines | |
pyrazines
Pyrazines: A heterocyclic aromatic organic compound with the chemical formula C4H4N2.. pyrazine : A diazine that is benzene in which the carbon atoms at positions 1 and 4 have been replaced by nitrogen atoms. | 2.07 | 1 | 0 | diazine;
pyrazines | Daphnia magna metabolite |
chenodeoxycholic acid
Chenodeoxycholic Acid: A bile acid, usually conjugated with either glycine or taurine. It acts as a detergent to solubilize fats for intestinal absorption and is reabsorbed by the small intestine. It is used as cholagogue, a choleretic laxative, and to prevent or dissolve gallstones.. chenodeoxycholic acid : A dihydroxy-5beta-cholanic acid that is (5beta)-cholan-24-oic acid substituted by hydroxy groups at positions 3 and 7 respectively.. chenodeoxycholate : Conjugate base of chenodeoxycholic acid; major species at pH 7.3. | 2.1 | 1 | 0 | bile acid;
C24-steroid;
dihydroxy-5beta-cholanic acid | human metabolite;
mouse metabolite |
flavanone
flavanone: RN given refers to cpd with unspecified isomeric designation; structure in first source. flavanone : The simplest member of the class of flavanones that consists of flavan bearing an oxo substituent at position 4. | 4.39 | 1 | 1 | flavanones | |
cyanogen bromide
Cyanogen Bromide: Cyanogen bromide (CNBr). A compound used in molecular biology to digest some proteins and as a coupling reagent for phosphoroamidate or pyrophosphate internucleotide bonds in DNA duplexes. | 1.97 | 1 | 0 | | |
hesperidin
Hesperidin: A flavanone glycoside found in CITRUS fruit peels.. hesperidin : A disaccharide derivative that consists of hesperetin substituted by a 6-O-(alpha-L-rhamnopyranosyl)-beta-D-glucopyranosyl moiety at position 7 via a glycosidic linkage. | 2.53 | 2 | 0 | 3'-hydroxyflavanones;
4'-methoxyflavanones;
dihydroxyflavanone;
disaccharide derivative;
flavanone glycoside;
monomethoxyflavanone;
rutinoside | mutagen |
angelicin
angelicin: used as tranquillizer; sedative; or anticonvulsant; structure | 2.21 | 1 | 0 | furanocoumarin | |
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. | 2.05 | 1 | 0 | dialdehyde | biomarker |
tetramethylpyrazine
tetramethylpyrazine: found in Ligusticum chuanxiong. tetramethylpyrazine : A member of the class of pyrazines that is pyrazine in which all four hydrogens have been replaced by methyl groups. An alkaloid extracted from Chuanxiong (Ligusticum wallichii). | 2.07 | 1 | 0 | alkaloid;
pyrazines | antineoplastic agent;
apoptosis inhibitor;
bacterial metabolite;
neuroprotective agent;
platelet aggregation inhibitor;
vasodilator agent |
dimethylpropiothetin
dimethylpropiothetin: has antineoplastic activity; RN given refers to hydroxide inner salt. S,S-dimethyl-beta-propiothetin : A sulfonium betaine obtained by deprotonation of the carboxy group of 3-dimethylsulfoniopropionic acid. | 2 | 1 | 0 | sulfonium betaine | marine metabolite;
osmolyte |
fluorine
Fluorine: A nonmetallic, diatomic gas that is a trace element and member of the halogen family. It is used in dentistry as fluoride (FLUORIDES) to prevent dental caries. | 2.03 | 1 | 0 | diatomic fluorine;
gas molecular entity | NMR chemical shift reference compound |
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. | 1.96 | 1 | 0 | benzenes;
phenyl acetates | |
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. | 1.97 | 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 |
s-adenosylmethionine
acylcarnitine: structure in first source. S-adenosyl-L-methioninate : A sulfonium betaine that is a conjugate base of S-adenosyl-L-methionine obtained by the deprotonation of the carboxy group. | 3.47 | 1 | 1 | sulfonium betaine | human metabolite |
mifepristone
Mifepristone: A progestational and glucocorticoid hormone antagonist. Its inhibition of progesterone induces bleeding during the luteal phase and in early pregnancy by releasing endogenous prostaglandins from the endometrium or decidua. As a glucocorticoid receptor antagonist, the drug has been used to treat hypercortisolism in patients with nonpituitary CUSHING SYNDROME. | 2.08 | 1 | 0 | 3-oxo-Delta(4) steroid;
acetylenic compound;
tertiary amino compound | abortifacient;
contraceptive drug;
hormone antagonist;
synthetic oral contraceptive |
glucose, (beta-d)-isomer
beta-D-glucose : D-Glucopyranose with beta configuration at the anomeric centre.. (1->4)-beta-D-glucan : A beta-D-glucan in which the glucose units are connected by (1->4) linkages.. (1->3)-beta-D-glucan : A beta-D-glucan in which the glucose units are connected by (1->3) linkages. | 2.49 | 2 | 0 | D-glucopyranose | epitope;
mouse metabolite |
baicalin
[no description available] | 2.03 | 1 | 0 | dihydroxyflavone;
glucosiduronic acid;
glycosyloxyflavone;
monosaccharide derivative | antiatherosclerotic agent;
antibacterial agent;
anticoronaviral agent;
antineoplastic agent;
antioxidant;
cardioprotective agent;
EC 2.7.7.48 (RNA-directed RNA polymerase) inhibitor;
EC 3.4.21.26 (prolyl oligopeptidase) inhibitor;
ferroptosis inhibitor;
neuroprotective agent;
non-steroidal anti-inflammatory drug;
plant metabolite;
prodrug |
epigallocatechin gallate
epigallocatechin gallate: a steroid 5alpha-reductase inhibitor and antimutagen in green tea (Camellia sinensis). (-)-epigallocatechin 3-gallate : A gallate ester obtained by the formal condensation of gallic acid with the (3R)-hydroxy group of (-)-epigallocatechin. | 2.1 | 1 | 0 | flavans;
gallate ester;
polyphenol | antineoplastic agent;
antioxidant;
apoptosis inducer;
geroprotector;
Hsp90 inhibitor;
neuroprotective agent;
plant metabolite |
telmisartan
Telmisartan: A biphenyl compound and benzimidazole derivative that acts as an angiotensin II type 1 receptor antagonist. It is used in the management of HYPERTENSION.. telmisartan : A member of the class of benzimidazoles used widely in the treatment of hypertension. | 2.25 | 1 | 0 | benzimidazoles;
biphenyls;
carboxybiphenyl | angiotensin receptor antagonist;
antihypertensive agent;
EC 3.4.15.1 (peptidyl-dipeptidase A) inhibitor;
environmental contaminant;
xenobiotic |
hesperetin
[no description available] | 2.31 | 1 | 0 | 3'-hydroxyflavanones;
4'-methoxyflavanones;
monomethoxyflavanone;
trihydroxyflavanone | antineoplastic agent;
antioxidant;
plant metabolite |
rosiglitazone
[no description available] | 2.1 | 1 | 0 | aminopyridine;
thiazolidinediones | EC 6.2.1.3 (long-chain-fatty-acid--CoA ligase) inhibitor;
ferroptosis inhibitor;
insulin-sensitizing drug |
loganin
[no description available] | 2.21 | 1 | 0 | beta-D-glucoside;
cyclopentapyran;
enoate ester;
iridoid monoterpenoid;
methyl ester;
monosaccharide derivative;
secondary alcohol | anti-inflammatory agent;
EC 3.1.1.7 (acetylcholinesterase) inhibitor;
EC 3.2.1.20 (alpha-glucosidase) inhibitor;
EC 3.4.23.46 (memapsin 2) inhibitor;
neuroprotective agent;
plant metabolite |
aucubin
[no description available] | 2.03 | 1 | 0 | organic molecular entity | metabolite |
homocysteine
Homocysteine: A thiol-containing amino acid formed by a demethylation of METHIONINE.. homocysteine : A sulfur-containing amino acid consisting of a glycine core with a 2-mercaptoethyl side-chain.. L-homocysteine : A homocysteine that has L configuration. | 8.87 | 2 | 1 | amino acid zwitterion;
homocysteine;
serine family amino acid | fundamental metabolite;
mouse metabolite |
fangchinoline
fangchinoline: RN given refers to parent cpd; limacine is the (1'beta)-isomer; 7-O-demethyltetrandrine is the (1S,1'S)-isomer. fangchinoline : A bisbenzylisoquinoline alkaloid that is (1beta)- berbaman which has been substituted by methyl groups at the 2 and 2' positions, by methoxy groups at the 6, 6', and 12 positions, and by a hydroxy group at position 7. Isolated from Stephania tetrandra, it has been found to possess neuroprotective and anti-tumour activity. | 2.07 | 1 | 0 | | |
chaetoglobosins
chaetoglobosins: like CYTOCHALASINS but with an indoyl in place of a phenyl ring at C10; chaetoglobosins A-J; metabolites of Chaetomium species; RN given refers to chaetoglobosin A; structure. chaetoglobosin A : A cytochalasan alkaloid isolated from Chaetomium globosum and Calonectria morganii. | 2.1 | 1 | 0 | | |
3-carboxy-4-methyl-5-propyl-2-furanpropionic acid
3-carboxy-4-methyl-5-propyl-2-furanpropionic acid: structure in first source. 2-(2-carboxyethyl)-4-methyl-5-propylfuran-3-carboxylic acid : A furoic acid that is furan-3-carboxylic acid substituted by a methyl group at position 4, a propyl group at position 5 and a 2-carboxyethyl group at position 2. It is a potent uremic toxin that has been found to accumulate in human serum of patients with chronic kidney diseases. | 2.31 | 1 | 0 | dicarboxylic acid;
furoic acid | human metabolite;
uremic toxin |
proline
Proline: A non-essential amino acid that is synthesized from GLUTAMIC ACID. It is an essential component of COLLAGEN and is important for proper functioning of joints and tendons.. proline : An alpha-amino acid that is pyrrolidine bearing a carboxy substituent at position 2. | 12.16 | 107 | 7 | amino acid zwitterion;
glutamine family amino acid;
L-alpha-amino acid;
proline;
proteinogenic amino acid | algal metabolite;
compatible osmolytes;
Escherichia coli metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
Saccharomyces cerevisiae metabolite |
evodiamine
[no description available] | 2.07 | 1 | 0 | beta-carbolines | |
leonurine
leonurine: has neuroprotective activity; isolated from leaves of Leonurus artemisia; has uterotonic effect; structure | 3.3 | 6 | 0 | trihydroxybenzoic acid | |
angiotensin ii
Giapreza: injectable form of angiotensin II used to increase blood pressure in adult patients with septic or other distributive shock. Ile(5)-angiotensin II : An angiotensin II that acts on the central nervous system (PDB entry: 1N9V). | 2.51 | 2 | 0 | amino acid zwitterion;
angiotensin II | human metabolite |
diplodiatoxin
diplodiatoxin: a bicyclic beta-gamma unsaturated carboxylic acid with keto side chain | 2.1 | 1 | 0 | oxo carboxylic acid | |
naringenin
(S)-naringenin : The (S)-enantiomer of naringenin. | 2.31 | 1 | 0 | (2S)-flavan-4-one;
naringenin | expectorant;
plant metabolite |
ouabain
Ouabain: A cardioactive glycoside consisting of rhamnose and ouabagenin, obtained from the seeds of Strophanthus gratus and other plants of the Apocynaceae; used like DIGITALIS. It is commonly used in cell biological studies as an inhibitor of the NA(+)-K(+)-EXCHANGING ATPASE.. cardiac glycoside : Steroid lactones containing sugar residues that act on the contractile force of the cardiac muscles.. ouabain : A steroid hormone that is a multi-hydroxylated alpha-L-rhamnosyl cardenoloide. It binds to and inhibits the plasma membrane Na(+)/K(+)-ATPase (sodium pump). It has been isolated naturally from Strophanthus gratus. | 1.98 | 1 | 0 | 11alpha-hydroxy steroid;
14beta-hydroxy steroid;
5beta-hydroxy steroid;
alpha-L-rhamnoside;
cardenolide glycoside;
steroid hormone | anti-arrhythmia drug;
cardiotonic drug;
EC 2.3.3.1 [citrate (Si)-synthase] inhibitor;
EC 3.1.3.41 (4-nitrophenylphosphatase) inhibitor;
EC 3.6.3.10 (H(+)/K(+)-exchanging ATPase) inhibitor;
EC 3.6.3.9 (Na(+)/K(+)-transporting ATPase) inhibitor;
ion transport inhibitor;
plant metabolite |
isonaringin
isonaringin: structure in first source. narirutin : A disaccharide derivative that is (S)-naringenin substituted by a 6-O-(6-deoxy-alpha-L-mannopyranosyl)-beta-D-glucopyranosyl moiety at position 7 via a glycosidic linkage. | 2.06 | 1 | 0 | (2S)-flavan-4-one;
4'-hydroxyflavanones;
dihydroxyflavanone;
disaccharide derivative;
rutinoside | anti-inflammatory agent;
antioxidant;
metabolite |
iridoids
Iridoids: A type of MONOTERPENES, derived from geraniol. They have the general form of cyclopentanopyran, but in some cases, one of the rings is broken as in the case of secoiridoid. They are different from the similarly named iridals (TRITERPENES). | 2.49 | 2 | 0 | | |
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). | 3.47 | 1 | 1 | flavin;
vitamin B2 | anti-inflammatory agent;
antioxidant;
cofactor;
Escherichia coli metabolite;
food colouring;
fundamental metabolite;
human urinary metabolite;
mouse metabolite;
photosensitizing agent;
plant metabolite |
glycosides
[no description available] | 2.21 | 1 | 0 | | |
n-methylproline
N-methylproline: structure in first source. N-methylproline : An L-proline derivative obtained by replacement of the amino hydrogen by a methyl group. | 2.13 | 1 | 0 | L-alpha-amino acid zwitterion;
L-proline derivative;
tertiary amino compound | human metabolite;
plant metabolite |
nizatidine
Nizatidine: A histamine H2 receptor antagonist with low toxicity that inhibits gastric acid secretion. The drug is used for the treatment of duodenal ulcers.. nizatidine : A member of the class of 1,3-thiazoles having a dimethylaminomethyl substituent at position 2 and an alkylthiomethyl moiety at position 4. | 2.1 | 1 | 0 | | |
cystine
[no description available] | 2.6 | 1 | 0 | | |
beta carotene
beta Carotene: A carotenoid that is a precursor of VITAMIN A. Beta carotene is administered to reduce the severity of photosensitivity reactions in patients with erythropoietic protoporphyria (PORPHYRIA, ERYTHROPOIETIC).. provitamin A : A provitamin that can be converted into vitamin A by enzymes from animal tissues. | 2.31 | 1 | 0 | carotenoid beta-end derivative;
cyclic carotene | antioxidant;
biological pigment;
cofactor;
ferroptosis inhibitor;
human metabolite;
mouse metabolite;
plant metabolite;
provitamin A |
5-hydroxy-6,8,11,14-eicosatetraenoic acid
5(S)-HETE : A HETE having a (5S)-hydroxy group and (6E)-, (8Z)-, (11Z)- and (14Z)-double bonds.. 5-HETE : A HETE having a 5-hydroxy group and (6E)-, (8Z)-, (11Z)- and (14Z)-double bonds. | 3.53 | 1 | 1 | HETE | human metabolite;
mouse metabolite |
thromboxane b2
Thromboxane B2: A stable, physiologically active compound formed in vivo from the prostaglandin endoperoxides. It is important in the platelet-release reaction (release of ADP and serotonin).. thromboxane B2 : A member of the class of thromboxanes B that is (5Z,13E)-thromboxa-5,13-dien-1-oic acid substituted by hydroxy groups at positions 9, 11 and 15. | 2.07 | 1 | 0 | thromboxanes B | human metabolite;
mouse metabolite |
lysophosphatidylcholines
lysophosphatidylcholine : An acylglycerophosphocholine resulting from partial hydrolysis of a phosphatidylcholine, which removes one of the fatty acyl groups. The structure is depicted in the image where R1 = acyl, R2 = H or where R1 = H, R2 = acyl. | 2.08 | 1 | 0 | 1-O-acyl-sn-glycero-3-phosphocholine | |
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. | 2.02 | 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 |
12-hydroxy-5,8,10,14-eicosatetraenoic acid
12-Hydroxy-5,8,10,14-eicosatetraenoic Acid: A lipoxygenase metabolite of ARACHIDONIC ACID. It is a highly selective ligand used to label mu-opioid receptors in both membranes and tissue sections. The 12-S-HETE analog has been reported to augment tumor cell metastatic potential through activation of protein kinase C. (J Pharmacol Exp Ther 1995; 274(3):1545-51; J Natl Cancer Inst 1994; 86(15):1145-51) | 3.53 | 1 | 1 | | |
sinomenine
sinomenine: isolated from root of Sinomenium acutum; antirheumatic, antineuralgic | 2.07 | 1 | 0 | morphinane alkaloid | |
morphinans
Morphinans: Compounds based on a partially saturated iminoethanophenanthrene, which can be described as ethylimino-bridged benzo-decahydronaphthalenes. They include some of the OPIOIDS found in PAPAVER that are used as ANALGESICS. | 2.07 | 1 | 0 | isoquinoline alkaloid fundamental parent;
morphinane alkaloid | |
endothelin-1
Endothelin-1: A 21-amino acid peptide produced in a variety of tissues including endothelial and vascular smooth-muscle cells, neurons and astrocytes in the central nervous system, and endometrial cells. It acts as a modulator of vasomotor tone, cell proliferation, and hormone production. (N Eng J Med 1995;333(6):356-63) | 2.47 | 2 | 0 | | |
oxymatrine
oxymatrine: structure in first source; has anti-apoptosis effects | 2.07 | 1 | 0 | | |
cardiovascular agents
Cardiovascular Agents: Agents that affect the rate or intensity of cardiac contraction, blood vessel diameter, or blood volume. | 2.52 | 2 | 0 | | |
nitrogenase
Nitrogenase: An enzyme system that catalyzes the fixing of nitrogen in soil bacteria and blue-green algae (CYANOBACTERIA). EC 1.18.6.1. | 1.96 | 1 | 0 | | |
glycolipids
[no description available] | 2.08 | 1 | 0 | | |
morroniside
morroniside: from Cornus officinalis; protects cultured human umbilical vein endothelial cells from damage by high ambient glucose; a component of cornel iridoid glycoside; structure in first source | 2.21 | 1 | 0 | | |
peoniflorin
peoniflorin: from Radix and of Paeonia suffruticosa | 2.21 | 1 | 0 | | |
thromboplastin
Thromboplastin: Constituent composed of protein and phospholipid that is widely distributed in many tissues. It serves as a cofactor with factor VIIa to activate factor X in the extrinsic pathway of blood coagulation. | 2.05 | 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. | 2.17 | 1 | 0 | 3',5'-cyclic purine nucleotide;
guanyl ribonucleotide | Escherichia coli metabolite;
human metabolite;
mouse metabolite;
plant metabolite;
Saccharomyces cerevisiae metabolite |
sapropterin
sapropterin: RN given refers to parent cpd; co-factor required for catalytic activity of nitric oxide synthases. (6R)-5,6,7,8-tetrahydrobiopterin : A 5,6,7,8-tetrahydrobiopterin in which the stereocentre at position 6 has R-configuration.. sapropterin : A tetrahydropterin that is 2-amino-5,6,7,8-tetrahydropteridin-4(3H)-one in which a hydrogen at position 6 is substituted by a 1,2-dihydroxypropyl group (6R,1'R,2'S-enantiomer). | 2.17 | 1 | 0 | 5,6,7,8-tetrahydrobiopterin | coenzyme;
cofactor;
diagnostic agent;
human metabolite |