Substance | Relationship Strength | Studies | Trials | Classes | Roles |
7-keto-8-aminopelargonic acid 8-amino-7-oxononanoic acid : The 8-amino-7-oxo derivative of nonanoic acid. | 3.52 | 2 | 0 | 7-oxo monocarboxylic acid; amino acid zwitterion; amino acid | Saccharomyces cerevisiae metabolite |
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. | 1.98 | 1 | 0 | monocarboxylic acid | antimicrobial food preservative; Daphnia magna metabolite; food acidity regulator; protic solvent |
2-amino-3-ketobutyrate 2-amino-3-ketobutyrate: unstable intermediate in threonine dehydrogenase-initiated pathway for threonine utilization; structure given in first source. 2-amino-3-oxobutanoic acid : An alpha-amino acid that is acetoacetic acid which is substituted by an amino group at position 2. | 2.07 | 1 | 0 | 3-oxo monocarboxylic acid; non-proteinogenic alpha-amino acid | |
aminoethylphosphonic acid Aminoethylphosphonic Acid: An organophosphorus compound isolated from human and animal tissues.. (2-aminoethyl)phosphonic acid : A phosphonic acid in which the hydrogen attached to the phosphorus of phosphonic acid is substituted by a 2-aminoethyl group. | 2 | 1 | 0 | phosphonic acids; primary amino compound; zwitterion | human metabolite; metabolite; mouse metabolite |
glutaconyl-coenzyme a [no description available] | 2.15 | 1 | 0 | | |
glutaric acid glutaric acid: RN given refers to parent cpd. glutaric acid : An alpha,omega-dicarboxylic acid that is a linear five-carbon dicarboxylic acid. | 2.08 | 1 | 0 | alpha,omega-dicarboxylic acid; dicarboxylic fatty acid | Daphnia magna metabolite; human metabolite |
glycine [no description available] | 2.07 | 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 |
thioctic acid Thioctic Acid: An octanoic acid bridged with two sulfurs so that it is sometimes also called a pentanoic acid in some naming schemes. It is biosynthesized by cleavage of LINOLEIC ACID and is a coenzyme of oxoglutarate dehydrogenase (KETOGLUTARATE DEHYDROGENASE COMPLEX). It is used in DIETARY SUPPLEMENTS. | 3.1 | 1 | 0 | dithiolanes; heterocyclic fatty acid; thia fatty acid | fundamental metabolite; geroprotector |
naphthalene [no description available] | 2.15 | 1 | 0 | naphthalenes; ortho-fused bicyclic arene | apoptosis inhibitor; carcinogenic agent; environmental contaminant; mouse metabolite; plant metabolite; volatile oil component |
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. | 2 | 1 | 0 | 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 |
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. | 2.69 | 3 | 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 |
thiamine thiamine(1+) : A primary alcohol that is 1,3-thiazol-3-ium substituted by (4-amino-2-methylpyrimidin-5-yl)methyl, methyl and 2-hydroxyethyl groups at positions 3, 4 and 5, respectively. | 2 | 1 | 0 | primary alcohol; vitamin B1 | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
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. | 3.39 | 7 | 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 |
adenosine monophosphate Adenosine Monophosphate: Adenine nucleotide containing one phosphate group esterified to the sugar moiety in the 2'-, 3'-, or 5'-position. | 2.08 | 1 | 0 | adenosine 5'-phosphate; purine ribonucleoside 5'-monophosphate | adenosine A1 receptor agonist; cofactor; EC 3.1.3.1 (alkaline phosphatase) inhibitor; EC 3.1.3.11 (fructose-bisphosphatase) inhibitor; fundamental metabolite; micronutrient; nutraceutical |
dithionitrobenzoic acid Dithionitrobenzoic Acid: A standard reagent for the determination of reactive sulfhydryl groups by absorbance measurements. It is used primarily for the determination of sulfhydryl and disulfide groups in proteins. The color produced is due to the formation of a thio anion, 3-carboxyl-4-nitrothiophenolate.. dithionitrobenzoic acid : An organic disulfide that results from the formal oxidative dimerisation of 2-nitro-5-thiobenzoic acid. An indicator used to quantify the number or concentration of thiol groups. | 1.95 | 1 | 0 | nitrobenzoic acid; organic disulfide | indicator |
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. | 1.98 | 1 | 0 | benzenes; phenyl acetates | |
n-hydroxysuccinimide N-hydroxysuccinimide: structure | 1.95 | 1 | 0 | | |
1-(aminoethyl)phosphonic acid 1-(aminoethyl)phosphonic acid: structure given in first source | 2 | 1 | 0 | phosphonoacetic acid | |
biotin vitamin B7 : Any member of a group of vitamers that belong to the chemical structural class called biotins that exhibit biological activity against vitamin B7 deficiency. Vitamin B7 deficiency is very rare in individuals who take a normal balanced diet. Foods rich in biotin are egg yolk, liver, cereals, vegetables (spinach, mushrooms) and rice. Symptoms associated with vitamin B7 deficiency include thinning hair, scaly skin rashes around eyes, nose and mouth, and brittle nails. The vitamers include biotin and its ionized and salt forms. | 5.71 | 15 | 0 | biotins; vitamin B7 | coenzyme; cofactor; Escherichia coli metabolite; fundamental metabolite; human metabolite; mouse metabolite; nutraceutical; prosthetic group; Saccharomyces cerevisiae metabolite |
organophosphonates hydrogenphosphite : A divalent inorganic anion resulting from the removal of a proton from two of the hydroxy groups of phosphorous acid. | 2 | 1 | 0 | divalent inorganic anion; phosphite ion | |
9-mercaptodethiobiotin 9-mercaptodethiobiotin: structure given in first source; intermediate in biotin biosynthesis. 9-mercaptodethiobiotin : A member of the class of imidazolidinones that is dethiobiotin carrying a mercapto substituent at position 9. An intermediate in the biosynthesis of biotin. | 1.98 | 1 | 0 | imidazolidinone; monocarboxylic acid; thiol; ureas | Escherichia coli 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. | 2.43 | 2 | 0 | acyl-CoA | acyl donor; coenzyme; effector; fundamental metabolite |
3-hydroxybutyryl-coenzyme a 3-hydroxybutyryl-coenzyme A: RN given refers to cpd without isomeric designation. 3-hydroxybutanoyl-CoA : A hydroxybutanoyl-CoA having 3-hydroxybutanoyl as the S-acyl component. | 2.15 | 1 | 0 | 3-hydroxyacyl-CoA; hydroxybutanoyl-CoA | mouse metabolite |
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. | 1.99 | 1 | 0 | malonyl-CoAs | EC 2.3.1.21 (carnitine O-palmitoyltransferase) inhibitor; Escherichia coli metabolite; metabolite; mouse metabolite |
glutaryl-coenzyme a [no description available] | 2.52 | 2 | 0 | glutaryl-CoAs | mouse metabolite |
crotonyl-coenzyme a crotonoyl-CoA : The (E)-isomer of but-2-enoyl-CoA. | 2.15 | 1 | 0 | but-2-enoyl-CoA | |