| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
phosphoserine
Phosphoserine: The phosphoric acid ester of serine. | 3.31 | 1 | 0 | non-proteinogenic alpha-amino acid;
O-phosphoamino acid;
serine derivative | human metabolite |
betaine
glycine betaine : The amino acid betaine derived from glycine. | 7.52 | 2 | 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. | 2.08 | 1 | 0 | alkyl alcohol;
primary alcohol;
short-chain primary fatty alcohol | human metabolite;
mouse metabolite;
protic solvent |
methane
Methane: The simplest saturated hydrocarbon. It is a colorless, flammable gas, slightly soluble in water. It is one of the chief constituents of natural gas and is formed in the decomposition of organic matter. (Grant & Hackh's Chemical Dictionary, 5th ed). methane : A one-carbon compound in which the carbon is attached by single bonds to four hydrogen atoms. It is a colourless, odourless, non-toxic but flammable gas (b.p. -161degreeC). | 4.92 | 4 | 0 | alkane;
gas molecular entity;
mononuclear parent hydride;
one-carbon compound | bacterial metabolite;
fossil fuel;
greenhouse gas |
coumarin
2H-chromen-2-one: coumarin derivative | 2.05 | 1 | 0 | coumarins | fluorescent dye;
human metabolite;
plant metabolite |
dimethylamine
[no description available] | 3.12 | 1 | 0 | methylamines;
secondary aliphatic amine | 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 |
iodine
Iodine: A nonmetallic element of the halogen group that is represented by the atomic symbol I, atomic number 53, and atomic weight of 126.90. It is a nutritionally essential element, especially important in thyroid hormone synthesis. In solution, it has anti-infective properties and is used topically.. diiodine : Molecule comprising two covalently bonded iodine atoms with overall zero charge.. | 2.03 | 1 | 0 | diatomic iodine | nutrient |
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. | 2.17 | 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. | 3.27 | 1 | 0 | monovalent inorganic anion;
nitrogen oxoanion;
reactive nitrogen species | |
pyridine
azine : An organonitrogen compound of general structure RCH=N-N=CHR or RR'C=N-N=CRR'. | 7.1 | 1 | 0 | azaarene;
mancude organic heteromonocyclic parent;
monocyclic heteroarene;
pyridines | environmental contaminant;
NMR chemical shift reference compound |
dithionite
Dithionite: Dithionite. The dithionous acid ion and its salts. | 2.02 | 1 | 0 | sulfur oxide;
sulfur oxoanion | |
trimethylamine
[no description available] | 2.84 | 3 | 0 | methylamines;
tertiary amine | Escherichia coli metabolite;
human xenobiotic metabolite |
azobenzene
azobenzene: photosensor molecule known to undergo reversible isomerization from trans to cis on illumination with photons of appropriate wavelength; RN given refers to cpd without isomeric designation; structure. (E)-azobenzene : The (E)-isomer of azobenzene.. (Z)-azobenzene : The (Z)-isomer of azobenzene.. azobenzene : A molecule whose structure comprises two phenyl rings linked by a N=N double bond; the parent compound of the azobenzene class of compounds. | 2.17 | 1 | 0 | azobenzenes | |
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. | 2.5 | 2 | 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 |
serine
Serine: A non-essential amino acid occurring in natural form as the L-isomer. It is synthesized from GLYCINE or THREONINE. It is involved in the biosynthesis of PURINES; PYRIMIDINES; and other amino acids.. serine : An alpha-amino acid that is alanine substituted at position 3 by a hydroxy group. | 2.04 | 1 | 0 | L-alpha-amino acid;
proteinogenic amino acid;
serine family amino acid;
serine zwitterion;
serine | algal metabolite;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
lysine
Lysine: An essential amino acid. It is often added to animal feed.. lysine : A diamino acid that is caproic (hexanoic) acid bearing two amino substituents at positions 2 and 6.. L-lysine : An L-alpha-amino acid; the L-isomer of lysine. | 10.09 | 141 | 0 | aspartate family amino acid;
L-alpha-amino acid zwitterion;
L-alpha-amino acid;
lysine;
organic molecular entity;
proteinogenic amino acid | algal metabolite;
anticonvulsant;
Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
plant metabolite;
Saccharomyces cerevisiae 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. | 2.25 | 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 |
adenosine monophosphate
Adenosine Monophosphate: Adenine nucleotide containing one phosphate group esterified to the sugar moiety in the 2'-, 3'-, or 5'-position. | 2.02 | 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 |
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. | 3.24 | 5 | 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 |
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. | 3.16 | 5 | 0 | non-proteinogenic L-alpha-amino acid;
ornithine | algal metabolite;
hepatoprotective agent;
mouse metabolite |
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. | 2.08 | 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. | 2.58 | 2 | 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 |
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. | 2.25 | 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 |
methylamine
methyl group : An alkyl group that is the univalent group derived from methane by removal of a hydrogen atom. | 9.89 | 4 | 0 | methylamines;
one-carbon compound;
primary aliphatic amine | mouse metabolite |
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. | 3.55 | 2 | 0 | pyrrole;
secondary amine | |
diazomethane
Diazomethane: A diazonium compound with the formula CH2N2.. diazomethane : The simplest diazo compound, in which a diazo group is attached to a methylene group. | 2.06 | 1 | 0 | diazo compound | alkylating agent;
antineoplastic agent;
carcinogenic agent;
poison |
n-methylhydroxylamine
[no description available] | 2.02 | 1 | 0 | | |
azides
Azides: Organic or inorganic compounds that contain the -N3 group.. azide : Any nitrogen molecular entity containing the group -N3. | 3.16 | 5 | 0 | pseudohalide anion | mitochondrial respiratory-chain inhibitor |
1-carboxyglutamic acid
1-Carboxyglutamic Acid: Found in various tissues, particularly in four blood-clotting proteins including prothrombin, in kidney protein, in bone protein, and in the protein present in various ectopic calcifications. | 2.05 | 1 | 0 | | |
quadricyclane
quadricyclane: structure in first source | 2.17 | 1 | 0 | | |
pyrroline
pyrroline: RN given refers to cpd with unspecified locant for dihydro moiety. pyrroline : Any organic heteromonocyclic compound with a structure based on a dihydropyrrole. | 8.55 | 2 | 0 | pyrroline | |
o-methyltyrosine
O-methyltyrosine: RN given refers to parent cpd without isomeric designation. O-methyltyrosine : A tyrosine derivative that is tyrosine in which the hydroxy group at position 4 of the phenyl ring is substituted by a methoxy group. | 2.06 | 1 | 0 | monomethoxybenzene;
tyrosine derivative | |
arginyl-glycyl-aspartic acid
arginyl-glycyl-aspartic acid: amino acid sequence of basic unit of widespread cellular recognition system | 2.1 | 1 | 0 | oligopeptide | |
cyclopropene
cyclopropene: structure. cyclopropene : A cycloalkene that consists of cyclopropane having a double bond in the ring. The parent of the class of cyclopropenes. | 2.07 | 1 | 0 | cycloalkene;
cyclopropenes | |
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. | 2.17 | 1 | 0 | biotins;
vitamin B7 | coenzyme;
cofactor;
Escherichia coli metabolite;
fundamental metabolite;
human metabolite;
mouse metabolite;
nutraceutical;
prosthetic group;
Saccharomyces cerevisiae metabolite |
crotonyl alcohol
crotonyl alcohol: RN given refers to cpd without isomeric designation. crotyl alcohol : A primary alcohol in which the hydroxy function is bonded to a CH3CH=CHCH2- (crotyl) group. | 2.08 | 1 | 0 | primary alcohol | |
pyrophosphate
Diphosphates: Inorganic salts of phosphoric acid that contain two phosphate groups. | 2.02 | 1 | 0 | diphosphate ion | |
epsilon-tert-butyloxycarbonyl-lysine
epsilon-tert-butyloxycarbonyl-lysine: RN given refers to (L)-isomer | 2.04 | 1 | 0 | | |
5-carboxytetramethylrhodamine succinimidyl ester
[no description available] | 2.07 | 1 | 0 | | |
alpha-chymotrypsin
Chymotrypsin: A serine endopeptidase secreted by the pancreas as its zymogen, CHYMOTRYPSINOGEN and carried in the pancreatic juice to the duodenum where it is activated by TRYPSIN. It selectively cleaves aromatic amino acids on the carboxyl side. | 2.02 | 1 | 0 | | |
jmv 390-1
JMV 390-1: a metallopeptidase inhibitor | 2.11 | 1 | 0 | | |
selenocysteine
Selenocysteine: A naturally occurring amino acid in both eukaryotic and prokaryotic organisms. It is found in tRNAs and in the catalytic site of some enzymes. The genes for glutathione peroxidase and formate dehydrogenase contain the TGA codon, which codes for this amino acid.. selenocysteine : An alpha-amino acid that consists of alanine where one of the methyl hydrogens is substituted with a seleno group. | 7.48 | 19 | 0 | | |
sepharose
agarose : A linear polysaccharide made up from alternating D-galactose and 3,6-anhydro-alpha-L-galactopyranose residues joined by alpha-(1->3)- and beta-(1->4)-linkages. | 2.13 | 1 | 0 | | |
anticodon
Anticodon: The sequential set of three nucleotides in TRANSFER RNA that interacts with its complement in MESSENGER RNA, the CODON, during translation in the ribosome. | 3.42 | 7 | 0 | | |
warfarin
Warfarin: An anticoagulant that acts by inhibiting the synthesis of vitamin K-dependent coagulation factors. Warfarin is indicated for the prophylaxis and/or treatment of venous thrombosis and its extension, pulmonary embolism, and atrial fibrillation with embolization. It is also used as an adjunct in the prophylaxis of systemic embolism after myocardial infarction. Warfarin is also used as a rodenticide.. warfarin : A racemate comprising equal amounts of (R)- and (S)-warfarin. Extensively used as both an anticoagulant drug and as a pesticide against rats and mice.. 4-hydroxy-3-(3-oxo-1-phenylbutyl)-1-benzopyran-2-one : A member of the class of coumarins that is 4-hydroxycoumarin which is substituted at position 3 by a 1-phenyl-3-oxo-1-butyl group. | 2.05 | 1 | 0 | benzenes;
hydroxycoumarin;
methyl ketone | |
lanthiopeptin
lanthiopeptin: Isolated from Streptoverticillium griseoverticillatum; contains 15 amino acids; structure given in first source. cinnamycin : A type B lantibiotic consisting of a 19 amino acid tetracyclic polypeptide produced by Streptomyces cinnamoneus. | 2.15 | 1 | 0 | heterodetic cyclic peptide;
L-cysteine thioether;
macrocycle;
type B lantibiotic | |
epsilon-n-crotonyllysine
epsilon-N-crotonyllysine: a post-translationally modified amino acid; structure in first source | 2.15 | 1 | 0 | | |