| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
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. | 2.06 | 1 | 0 | amino acid zwitterion;
gamma-amino acid;
monocarboxylic acid | human metabolite;
neurotransmitter;
Saccharomyces cerevisiae metabolite;
signalling molecule |
carbamates
[no description available] | 7.08 | 1 | 0 | amino-acid anion | |
formamide
formimidic acid : A carboximidic acid that is formic acid in which the carbonyl oxygen is replaced by an imino group.. primary carboxamide : A carboxamide resulting from the formal condensation of a carboxylic acid with ammonia; formula RC(=O)NH2. | 2.02 | 1 | 0 | carboximidic acid;
formamides;
monocarboxylic acid amide;
one-carbon compound | solvent |
glycine
[no description available] | 2 | 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 |
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. | 2.11 | 1 | 0 | elemental hydrogen;
elemental molecule;
gas molecular entity | antioxidant;
electron donor;
food packaging gas;
fuel;
human metabolite |
hydroxylamine
amino alcohol : An alcohol containing an amino functional group in addition to the alcohol-defining hydroxy group. | 2.02 | 1 | 0 | hydroxylamines | algal metabolite;
bacterial xenobiotic metabolite;
EC 1.1.3.13 (alcohol oxidase) inhibitor;
EC 4.2.1.22 (cystathionine beta-synthase) inhibitor;
EC 4.3.1.10 (serine-sulfate ammonia-lyase) inhibitor;
nitric oxide donor;
nucleophilic reagent |
imidazole
imidazole: RN given refers to parent cpd. 1H-imidazole : An imidazole tautomer which has the migrating hydrogen at position 1. | 2.03 | 1 | 0 | imidazole | |
n,n-dimethylaniline
N,N-dimethylaniline: RN given refers to parent cpd; structure. dimethylaniline : A methylaniline carrying at least two methyl groups.. N,N-dimethylaniline : A tertiary amine that is aniline in which the amino hydrogens are replaced by two methyl groups. | 2 | 1 | 0 | dimethylaniline;
tertiary amine | |
tryptamine
[no description available] | 6.93 | 1 | 0 | aminoalkylindole;
aralkylamino compound;
indole alkaloid;
tryptamines | human metabolite;
mouse metabolite;
plant metabolite |
1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine
1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine: A dopaminergic neurotoxic compound which produces irreversible clinical, chemical, and pathological alterations that mimic those found in Parkinson disease.. 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine : A tetrahydropyridine that is 1,2,3,6-tetrahydropyridine substituted by a methyl group at position 1 and a phenyl group at position 4. | 2.02 | 1 | 0 | methylpyridines;
phenylpyridine;
tetrahydropyridine | neurotoxin |
mercaptoethanol
Mercaptoethanol: A water-soluble thiol derived from hydrogen sulfide and ethanol. It is used as a reducing agent for disulfide bonds and to protect sulfhydryl groups from oxidation. | 2.15 | 1 | 0 | alkanethiol;
primary alcohol | geroprotector |
benzo(a)pyrene
Benzo(a)pyrene: A potent mutagen and carcinogen. It is a public health concern because of its possible effects on industrial workers, as an environmental pollutant, an as a component of tobacco smoke.. benzo[a]pyrene : An ortho- and peri-fused polycyclic arene consisting of five fused benzene rings. | 2.02 | 1 | 0 | ortho- and peri-fused polycyclic arene | carcinogenic agent;
mouse metabolite |
o-phthalaldehyde
o-Phthalaldehyde: A reagent that forms fluorescent conjugation products with primary amines. It is used for the detection of many biogenic amines, peptides, and proteins in nanogram quantities in body fluids.. phthalaldehyde : A dialdehyde in which two formyl groups are attached to adjacent carbon centres on a benzene ring. | 2.15 | 1 | 0 | benzaldehydes;
dialdehyde | epitope |
procainamide
Procainamide: A class Ia antiarrhythmic drug that is structurally-related to PROCAINE.. procainamide : A benzamide that is 4-aminobenzamide substituted on the amide N by a 2-(diethylamino)ethyl group. It is a pharmaceutical antiarrhythmic agent used for the medical treatment of cardiac arrhythmias. | 2.04 | 1 | 0 | benzamides | anti-arrhythmia drug;
platelet aggregation inhibitor;
sodium channel blocker |
riluzole
Riluzole: A glutamate antagonist (RECEPTORS, GLUTAMATE) used as an anticonvulsant (ANTICONVULSANTS) and to prolong the survival of patients with AMYOTROPHIC LATERAL SCLEROSIS. | 2.04 | 1 | 0 | benzothiazoles | |
piperonyl butoxide
[no description available] | 2.02 | 1 | 0 | benzodioxoles | pesticide synergist |
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. | 7.02 | 1 | 0 | alanine zwitterion;
alanine;
L-alpha-amino acid;
proteinogenic amino acid;
pyruvate family amino acid | EC 4.3.1.15 (diaminopropionate ammonia-lyase) inhibitor;
fundamental metabolite |
aniline
[no description available] | 2.08 | 1 | 0 | anilines;
primary arylamine | |
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. | 2.01 | 1 | 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 |
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. | 2.01 | 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 |
cyclopropane
cyclopropane : A cycloalkane composed of three carbon atoms to form a ring. | 1.93 | 1 | 0 | cycloalkane;
cyclopropanes | inhalation anaesthetic |
2-propylamine
2-propylamine: RN given refers to parent cpd | 2.15 | 1 | 0 | alkylamines;
primary aliphatic amine | |
thiophenes
Thiophenes: A monocyclic heteroarene furan in which the oxygen atom is replaced by a sulfur.. thiophenes : Compounds containing at least one thiophene ring. | 2.05 | 1 | 0 | mancude organic heteromonocyclic parent;
monocyclic heteroarene;
thiophenes;
volatile organic compound | non-polar solvent |
potassium cyanide
[no description available] | 2.02 | 1 | 0 | cyanide salt;
one-carbon compound;
potassium salt | EC 1.15.1.1 (superoxide dismutase) inhibitor;
EC 1.9.3.1 (cytochrome c oxidase) inhibitor;
neurotoxin |
adamantane
Adamantane: A tricyclo bridged hydrocarbon. | 7.03 | 1 | 0 | adamantanes;
polycyclic alkane | |
cyclopentane
Cyclopentanes: A group of alicyclic hydrocarbons with the general formula R-C5H9.. cyclopentanes : Cyclopentane and its derivatives formed by substitution. | 2.08 | 1 | 0 | cycloalkane;
cyclopentanes;
volatile organic compound | non-polar solvent |
kynuramine
Kynuramine: An aromatic ketone containing the aniline structure (ANILINE COMPOUNDS).. kynuramine : A member of the class of kynurenamines that is aniline substituted at position 2 by a 3-aminopropanoyl group. | 2.02 | 1 | 0 | kynurenamines;
primary amino compound | metabolite |
2-fluoroethylamine
2-fluoroethylamine: structure in first source | 7.04 | 1 | 0 | | |
2-nitrosotoluene
[no description available] | 2.02 | 1 | 0 | | |
tranylcypromine
Tranylcypromine: A propylamine formed from the cyclization of the side chain of amphetamine. This monoamine oxidase inhibitor is effective in the treatment of major depression, dysthymic disorder, and atypical depression. It also is useful in panic and phobic disorders. (From AMA Drug Evaluations Annual, 1994, p311). tranylcypromine : A racemate comprising equal amounts of (1R,2S)- and (1S,2R)-2-phenylcyclopropan-1-amine. An irreversible monoamine oxidase inhibitor that is used as an antidepressant (INN tranylcypromine).. (1R,2S)-tranylcypromine : A 2-phenylcyclopropan-1-amine that is the (1R,2S)-enantiomer of tranylcypromine. | 2.65 | 3 | 0 | 2-phenylcyclopropan-1-amine | |
iridium
Iridium: A metallic element with the atomic symbol Ir, atomic number 77, and atomic weight 192.22. | 2.11 | 1 | 0 | cobalt group element atom;
platinum group metal atom | |
palladium
Palladium: A chemical element having an atomic weight of 106.4, atomic number of 46, and the symbol Pd. It is a white, ductile metal resembling platinum, and following it in abundance and importance of applications. It is used in dentistry in the form of gold, silver, and copper alloys.. palladium : Chemical element (nickel group element atom) with atomic number 46. | 7.13 | 1 | 0 | metal allergen;
nickel group element atom;
platinum group metal atom | |
ruthenium
Ruthenium: A hard, brittle, grayish-white rare earth metal with an atomic symbol Ru, atomic number 44, and atomic weight 101.07. It is used as a catalyst and hardener for PLATINUM and PALLADIUM. | 2.48 | 2 | 0 | iron group element atom;
platinum group metal atom | |
silver
Silver: An element with the atomic symbol Ag, atomic number 47, and atomic weight 107.87. It is a soft metal that is used medically in surgical instruments, dental prostheses, and alloys. Long-continued use of silver salts can lead to a form of poisoning known as ARGYRIA. | 7.73 | 3 | 0 | copper group element atom;
elemental silver | Escherichia coli metabolite |
titanium
Titanium: A dark-gray, metallic element of widespread distribution but occurring in small amounts with atomic number, 22, atomic weight, 47.867 and symbol, Ti; specific gravity, 4.5; used for fixation of fractures. | 7.05 | 1 | 0 | titanium group element atom | |
gold
Gold: A yellow metallic element with the atomic symbol Au, atomic number 79, and atomic weight 197. It is used in jewelry, goldplating of other metals, as currency, and in dental restoration. Many of its clinical applications, such as ANTIRHEUMATIC AGENTS, are in the form of its salts. | 2.31 | 1 | 0 | copper group element atom;
elemental gold | |
deuterium
Deuterium: The stable isotope of hydrogen. It has one neutron and one proton in the nucleus. | 2.04 | 1 | 0 | dihydrogen | |
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. | 2.04 | 1 | 0 | diatomic fluorine;
gas molecular entity | NMR chemical shift reference compound |
iodine
[no description available] | 2.43 | 2 | 0 | halide anion;
monoatomic iodine | human metabolite |
alkenes
[no description available] | 2.82 | 3 | 0 | | |
acetylgalactosamine
Acetylgalactosamine: The N-acetyl derivative of galactosamine. | 2.06 | 1 | 0 | N-acetyl-D-hexosamine;
N-acetylgalactosamine | Escherichia coli metabolite;
human metabolite;
mouse metabolite |
trovafloxacin
trovafloxacin: a trifluoronaphthyridone derivative of 7-(3-azabicyclo(3.1.0)hexyl)naphthyridone; has antineoplastic activity. trovafloxacin : A 1,8-naphthyridine derivative that is 4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid bearing additional 2,4-difluorophenyl, fluoro and 6-amino-3-azabicyclo[3.1.0]hex-3-yl substituents at positions 1, 6 and 7 respectively. A broad-spectrum antibiotic that was withdrawn from the market due to risk of liver failure. | 2.44 | 2 | 0 | | |
salicylhydroxamic acid
[no description available] | 2.02 | 1 | 0 | hydroxamic acid;
phenols | antibacterial drug;
EC 1.11.2.2 (myeloperoxidase) inhibitor;
EC 3.5.1.5 (urease) inhibitor;
trypanocidal drug |
methylenecyclopropane
methylenecyclopropane: structure in first source | 7.1 | 1 | 0 | | |
nicotine
(S)-nicotine : A 3-(1-methylpyrrolidin-2-yl)pyridine in which the chiral centre has S-configuration. The naturally occurring and most active enantiomer of nicotine, isolated from Nicotiana tabacum. | 2.01 | 1 | 0 | 3-(1-methylpyrrolidin-2-yl)pyridine | anxiolytic drug;
biomarker;
immunomodulator;
mitogen;
neurotoxin;
nicotinic acetylcholine receptor agonist;
peripheral nervous system drug;
phytogenic insecticide;
plant metabolite;
psychotropic drug;
teratogenic agent;
xenobiotic |
homocysteine
Homocysteine: A thiol-containing amino acid formed by a demethylation of METHIONINE.. homocysteine : A sulfur-containing amino acid consisting of a glycine core with a 2-mercaptoethyl side-chain.. L-homocysteine : A homocysteine that has L configuration. | 2.25 | 1 | 0 | amino acid zwitterion;
homocysteine;
serine family amino acid | fundamental metabolite;
mouse metabolite |
titanium isopropoxide
titanium(IV) isopropoxide : A titanium coordination entity consisting of a titanium(IV) cation with four propan-2-olate anions as counterions. | 2.05 | 1 | 0 | | |
beta-lactams
2-azetidinone: structure in first source. azetidin-2-one : An unsubstituted beta-lactam compound.. beta-lactam : A lactam in which the amide bond is contained within a four-membered ring, which includes the amide nitrogen and the carbonyl carbon. | 2.42 | 2 | 0 | beta-lactam antibiotic allergen;
beta-lactam | |
e-z cinnamic acid
cinnamic acid : A monocarboxylic acid that consists of acrylic acid bearing a phenyl substituent at the 3-position. It is found in Cinnamomum cassia.. trans-cinnamic acid : The E (trans) isomer of cinnamic acid | 2.03 | 1 | 0 | cinnamic acid | plant metabolite |
flavin-adenine dinucleotide
Flavin-Adenine Dinucleotide: A condensation product of riboflavin and adenosine diphosphate. The coenzyme of various aerobic dehydrogenases, e.g., D-amino acid oxidase and L-amino acid oxidase. (Lehninger, Principles of Biochemistry, 1982, p972) | 3.27 | 1 | 0 | flavin adenine dinucleotide;
vitamin B2 | cofactor;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
prosthetic group |
tryptophan tryptophylquinone
tryptophan tryptophylquinone: prosthetic group of the quinoprotein methylamine dehydrogenase; structure given in first source | 2.01 | 1 | 0 | | |
aluminum
Aluminum: A metallic element that has the atomic number 13, atomic symbol Al, and atomic weight 26.98. | 2.03 | 1 | 0 | boron group element atom;
elemental aluminium;
metal atom | |
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. | 7.02 | 1 | 0 | cysteinium | fundamental metabolite |
boron
Boron: A trace element with the atomic symbol B, atomic number 5, and atomic weight [10.806; 10.821]. Boron-10, an isotope of boron, is used as a neutron absorber in BORON NEUTRON CAPTURE THERAPY. | 2.11 | 1 | 0 | boron group element atom;
metalloid atom;
nonmetal atom | micronutrient |
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). | 2.04 | 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 |
n-acetylgalactosamine 4-sulfate
[no description available] | 2.06 | 1 | 0 | N-acyl-hexosamine | |
belactosin a
belactosin A: isolated from Streptomyces; structure in first source | 2.08 | 1 | 0 | | |
heme
Heme: The color-furnishing portion of hemoglobin. It is found free in tissues and as the prosthetic group in many hemeproteins.. ferroheme : Any iron(II)--porphyrin coordination complex.. ferroheme b : Heme b in which the iron has oxidation state +2.. heme : A heme is any tetrapyrrolic chelate of iron. | 2.02 | 1 | 0 | | |