| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
dimethyl sulfoxide
Dimethyl Sulfoxide: A highly polar organic liquid, that is used widely as a chemical solvent. Because of its ability to penetrate biological membranes, it is used as a vehicle for topical application of pharmaceuticals. It is also used to protect tissue during CRYOPRESERVATION. Dimethyl sulfoxide shows a range of pharmacological activity including analgesia and anti-inflammation.. dimethyl sulfoxide : A 2-carbon sulfoxide in which the sulfur atom has two methyl substituents. | 2.01 | 1 | 0 | sulfoxide;
volatile organic compound | alkylating agent;
antidote;
Escherichia coli metabolite;
geroprotector;
MRI contrast agent;
non-narcotic analgesic;
polar aprotic solvent;
radical scavenger |
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 |
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. | 2.07 | 1 | 0 | elemental hydrogen;
elemental molecule;
gas molecular entity | antioxidant;
electron donor;
food packaging gas;
fuel;
human metabolite |
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.. | 1.96 | 1 | 0 | diatomic iodine | nutrient |
phosphorylcholine
Phosphorylcholine: Calcium and magnesium salts used therapeutically in hepatobiliary dysfunction.. phosphocholine : The phosphate of choline; and the parent compound of the phosphocholine family. | 2.03 | 1 | 0 | phosphocholines | allergen;
epitope;
hapten;
human metabolite;
mouse metabolite |
1-anilino-8-naphthalenesulfonate
1-anilino-8-naphthalenesulfonate: RN given refers to parent cpd. 8-anilinonaphthalene-1-sulfonic acid : A naphthalenesulfonic acid that is naphthalene-1-sulfonic acid substituted by a phenylamino group at position 8. | 2 | 1 | 0 | aminonaphthalene;
naphthalenesulfonic acid | fluorescent probe |
clonidine
Clonidine: An imidazoline sympatholytic agent that stimulates ALPHA-2 ADRENERGIC RECEPTORS and central IMIDAZOLINE RECEPTORS. It is commonly used in the management of HYPERTENSION.. clonidine (amino form) : A clonidine that is 4,5-dihydro-1H-imidazol-2-amine in which one of the amino hydrogens is replaced by a 2,6-dichlorophenyl group. | 1.99 | 1 | 0 | clonidine;
imidazoline | |
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 | 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 |
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. | 1.99 | 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 |
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. | 2.65 | 3 | 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 |
leucine
Leucine: An essential branched-chain amino acid important for hemoglobin formation.. leucine : A branched-chain amino acid that consists of glycine in which one of the hydrogens attached to the alpha-carbon is substituted by an isobutyl group. | 1.98 | 1 | 0 | amino acid zwitterion;
L-alpha-amino acid;
leucine;
proteinogenic amino acid;
pyruvate family amino acid | algal metabolite;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
plant metabolite;
Saccharomyces cerevisiae 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. | 2.05 | 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. | 2.02 | 1 | 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 |
isoleucine
Isoleucine: An essential branched-chain aliphatic amino acid found in many proteins. It is an isomer of LEUCINE. It is important in hemoglobin synthesis and regulation of blood sugar and energy levels.. isoleucine : A 2-amino-3-methylpentanoic acid having either (2R,3R)- or (2S,3S)-configuration.. L-isoleucine : The L-enantiomer of isoleucine. | 1.99 | 1 | 0 | aspartate family amino acid;
isoleucine;
L-alpha-amino acid zwitterion;
L-alpha-amino acid;
proteinogenic amino acid | algal metabolite;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
plant metabolite;
Saccharomyces cerevisiae metabolite |
arginine
Arginine: An essential amino acid that is physiologically active in the L-form.. arginine : An alpha-amino acid that is glycine in which the alpha-is substituted by a 3-guanidinopropyl group. | 2.05 | 1 | 0 | arginine;
glutamine family amino acid;
L-alpha-amino acid;
proteinogenic amino acid | biomarker;
Escherichia coli metabolite;
micronutrient;
mouse metabolite;
nutraceutical |
thiazoles
[no description available] | 2.02 | 1 | 0 | 1,3-thiazoles;
mancude organic heteromonocyclic parent;
monocyclic heteroarene | |
thiazolidine-4-carboxylic acid
thiazolidine-4-carboxylic acid: active against thimerosal intoxication; acts on cell membranes of tumor cells causing reverse transformation to normal cells; RN given refers to parent cpd | 2.02 | 1 | 0 | alpha-amino acid zwitterion;
non-proteinogenic alpha-amino acid;
sulfur-containing amino acid;
thiazolidinemonocarboxylic acid | antidote;
antioxidant;
hepatoprotective agent |
thiazolidines
Thiazolidines: Reduced (protonated) form of THIAZOLES. They can be oxidized to THIAZOLIDINEDIONES. | 2.02 | 1 | 0 | thiazolidine | |
tetranitromethane
[no description available] | 1.96 | 1 | 0 | organonitrogen compound | |
mannose
mannopyranose : The pyranose form of mannose. | 2.13 | 1 | 0 | D-aldohexose;
D-mannose;
mannopyranose | metabolite |
ferrous sulfate
ferrous sulfate: Ferro-Gradumet is ferrous sulfate in controlled release form; RN given refers to Fe(+2)[1:1] salt. iron(2+) sulfate (anhydrous) : A compound of iron and sulfate in which the ratio of iron(2+) to sulfate ions is 1:1. Various hydrates occur naturally - most commonly the heptahydrate, which loses water to form the tetrahydrate at 57degreeC and the monohydrate at 65degreeC. | 2 | 1 | 0 | iron molecular entity;
metal sulfate | reducing agent |
deuterium
Deuterium: The stable isotope of hydrogen. It has one neutron and one proton in the nucleus. | 2.41 | 2 | 0 | dihydrogen | |
alkenes
[no description available] | 1.99 | 1 | 0 | | |
1-cyano-2-hydroxy-3-butene
[no description available] | 1.99 | 1 | 0 | secondary alcohol | |
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. | 1.98 | 1 | 0 | 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 |
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) | 1.98 | 1 | 0 | flavin adenine dinucleotide;
vitamin B2 | cofactor;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
prosthetic group |
dodecylphosphocholine
dodecylphosphocholine: phospholipase A2 inhibitor; RN refers to chloride. dodecylphosphocholine : A phosphocholine that is the monododecyl ester of phosphocholine | 2.03 | 1 | 0 | phosphocholines | detergent |
cystine
[no description available] | 2.38 | 2 | 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. | 1.96 | 1 | 0 | | |
tin
[no description available] | 2.06 | 1 | 0 | carbon group element atom;
elemental tin;
metal atom | micronutrient |
dimyristoylphosphatidylcholine
1,2-di-O-myristoyl-sn-glycero-3-phosphocholine : A 1,2-diacyl-sn-glycero-3-phosphocholine where the two phosphatidyl acyl groups are specified as tetradecanoyl (myristoyl).. dimyristoyl phosphatidylcholine : A phosphatidylcholine where the phosphatidyl acyl groups are specified as tetradecanoyl (myristoyl). | 1.98 | 1 | 0 | 1,2-diacyl-sn-glycero-3-phosphocholine;
phosphatidylcholine 28:0;
tetradecanoate ester | antigen;
mouse metabolite |
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. | 2.02 | 1 | 0 | cysteinium | fundamental metabolite |
n-acetylalanyl-n-methylamide
N-acetylalanyl-N-methylamide: an alanine dipeptide; structure given in first source | 2 | 1 | 0 | | |
progoitrin
progoitrin: RN given refers to (R)-isomer; structure. epi-progoitrin : The stereoisomer of xi-progoitrin that has S at the carbon bearing the allylic hydroxy group.. progoitrin : The stereoisomer of xi-progoitrin that has R at the carbon bearing the allylic hydroxy group. | 1.99 | 1 | 0 | alkylglucosinolate | |
nad
NAD(1-) : An anionic form of nicotinamide adenine dinucleotide arising from deprotonation of the two OH groups of the diphosphate moiety. | 2 | 1 | 0 | organophosphate oxoanion | cofactor;
human metabolite;
hydrogen acceptor;
Saccharomyces cerevisiae metabolite |
cytochrome c-t
Cytochromes c: Cytochromes of the c type that are found in eukaryotic MITOCHONDRIA. They serve as redox intermediates that accept electrons from MITOCHONDRIAL ELECTRON TRANSPORT COMPLEX III and transfer them to MITOCHONDRIAL ELECTRON TRANSPORT COMPLEX IV. | 2.1 | 1 | 0 | | |
melitten
Melitten: Basic polypeptide from the venom of the honey bee (Apis mellifera). It contains 26 amino acids, has cytolytic properties, causes contracture of muscle, releases histamine, and disrupts surface tension, probably due to lysis of cell and mitochondrial membranes. | 1.98 | 1 | 0 | | |
tachyplesin peptide, tachypleus tridentatus
tachyplesin peptide, Tachypleus tridentatus: isolated from the hemocytes of the horseshoe crab (Tachypleus tridentatus); cationic peptide; 17 amino acid residues given in first source | 1.98 | 1 | 0 | | |
gramicidin a
Gramicidin: A group of peptide antibiotics from BACILLUS brevis. Gramicidin C or S is a cyclic, ten-amino acid polypeptide and gramicidins A, B, D are linear. Gramicidin is one of the two principal components of TYROTHRICIN. | 2.41 | 2 | 0 | | |
viscotoxin
viscotoxin: 5 kDa, 46 aa peptide from VISCUM related to other thionins; do not confuse with other proteins from VISCUM | 2.89 | 4 | 0 | | |
echistatin
echistatin: 49 amino acid residues given in first source; from the venom of the viper Echis | 2.39 | 2 | 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. | 1.98 | 1 | 0 | | |
n-(3-n-(benzyloxycarbonyl)amino-1-carboxypropyl)leucyl-o-methyltyrosine n-methylamide
N-(3-N-(benzyloxycarbonyl)amino-1-carboxypropyl)leucyl-O-methyltyrosine N-methylamide: CI-1 and CI-2 are stereoisomers | 2.1 | 1 | 0 | | |
phoratoxin protein, phoradendron tomentosum
phoratoxin protein, Phoradendron tomentosum: small basic protein (46 amino acids) from mistletoe Phoradendron tomentosum subsp. macrophyllum (Loranthaceae); has toxic properties; RN given refers to the reduced form | 2.37 | 2 | 0 | | |
alpha1-purothionin protein, wheat
purothionin: polypeptide of relatively low MW; toxic to vertebrates and some bacteria & yeasts; purothionin A-I is believed to be identical to beta-purothionin; RN given refers to cpd with unknown MF | 3.35 | 7 | 0 | | |
muramidase
Muramidase: A basic enzyme that is present in saliva, tears, egg white, and many animal fluids. It functions as an antibacterial agent. The enzyme catalyzes the hydrolysis of 1,4-beta-linkages between N-acetylmuramic acid and N-acetyl-D-glucosamine residues in peptidoglycan and between N-acetyl-D-glucosamine residues in chitodextrin. EC 3.2.1.17. | 4.48 | 7 | 0 | | |