| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
spermine
[no description available] | 1.98 | 1 | 0 | polyazaalkane;
tetramine | antioxidant;
fundamental metabolite;
immunosuppressive agent |
diethyl pyrocarbonate
Diethyl Pyrocarbonate: Preservative for wines, soft drinks, and fruit juices and a gentle esterifying agent.. diethyl pyrocarbonate : The diethyl ester of dicarbonic acid. | 1.95 | 1 | 0 | acyclic carboxylic anhydride | |
iodoacetamide
[no description available] | 1.95 | 1 | 0 | | |
methylphenidate
Methylphenidate: A central nervous system stimulant used most commonly in the treatment of ATTENTION DEFICIT DISORDER in children and for NARCOLEPSY. Its mechanisms appear to be similar to those of DEXTROAMPHETAMINE. The d-isomer of this drug is referred to as DEXMETHYLPHENIDATE HYDROCHLORIDE.. methylphenidate : A racemate comprising equimolar amounts of the two threo isomers of methyl phenyl(piperidin-2-yl)acetate. A central stimulant and indirect-acting sympathomimetic, is used (generally as the hydrochloride salt) in the treatment of hyperactivity disorders in children and for the treatment of narcolepsy.. methyl phenyl(piperidin-2-yl)acetate : A amino acid ester that is methyl phenylacetate in which one of the hydrogens alpha to the carbonyl group is replaced by a piperidin-2-yl group. | 1.95 | 1 | 0 | beta-amino acid ester;
methyl ester;
piperidines | |
pemoline
Pemoline: A central nervous system stimulant used in fatigue and depressive states and to treat hyperkinetic disorders in children.. pemoline : A member of the class of 1,3-oxazoles that is 1,3-oxazol-4(5H)-one which is substituted by an amino group at position 2 and by a phenyl group at position 5. A central nervous system stimulant, it was used to treat hyperactivity disorders in children, but withdrawn from use following reports of serious hepatotoxicity. | 1.95 | 1 | 0 | 1,3-oxazoles | central nervous system stimulant |
phenobarbital
Phenobarbital: A barbituric acid derivative that acts as a nonselective central nervous system depressant. It potentiates GAMMA-AMINOBUTYRIC ACID action on GABA-A RECEPTORS, and modulates chloride currents through receptor channels. It also inhibits glutamate induced depolarizations.. phenobarbital : A member of the class of barbiturates, the structure of which is that of barbituric acid substituted at C-5 by ethyl and phenyl groups. | 2.35 | 2 | 0 | barbiturates | anticonvulsant;
drug allergen;
excitatory amino acid antagonist;
sedative |
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. | 2.73 | 3 | 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 |
sucrose
Saccharum: A plant genus of the family POACEAE widely cultivated in the tropics for the sweet cane that is processed into sugar. | 2.38 | 2 | 0 | glycosyl glycoside | algal metabolite;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
osmolyte;
Saccharomyces cerevisiae metabolite;
sweetening agent |
uridine monophosphate
Uridine Monophosphate: 5'-Uridylic acid. A uracil nucleotide containing one phosphate group esterified to the sugar moiety in the 2', 3' or 5' position.. uridine 5'-monophosphate : A pyrimidine ribonucleoside 5'-monophosphate having uracil as the nucleobase. | 1.99 | 1 | 0 | pyrimidine ribonucleoside 5'-monophosphate;
uridine 5'-phosphate | Escherichia coli metabolite;
human metabolite;
mouse metabolite |
uridine diphosphate
Uridine Diphosphate: A uracil nucleotide containing a pyrophosphate group esterified to C5 of the sugar moiety. | 2.92 | 4 | 0 | pyrimidine ribonucleoside 5'-diphosphate;
uridine 5'-phosphate | Escherichia coli metabolite;
mouse metabolite |
galactose
galactopyranose : The pyranose form of galactose. | 2.41 | 2 | 0 | D-galactose;
galactopyranose | Escherichia coli metabolite;
mouse metabolite |
edetic acid
Edetic Acid: A chelating agent that sequesters a variety of polyvalent cations such as CALCIUM. It is used in pharmaceutical manufacturing and as a food additive. | 1.99 | 1 | 0 | ethylenediamine derivative;
polyamino carboxylic acid;
tetracarboxylic acid | anticoagulant;
antidote;
chelator;
copper chelator;
geroprotector |
cysteamine
Cysteamine: A mercaptoethylamine compound that is endogenously derived from the COENZYME A degradative pathway. The fact that cysteamine is readily transported into LYSOSOMES where it reacts with CYSTINE to form cysteine-cysteamine disulfide and CYSTEINE has led to its use in CYSTINE DEPLETING AGENTS for the treatment of CYSTINOSIS.. cysteamine : An amine that consists of an ethane skeleton substituted with a thiol group at C-1 and an amino group at C-2. | 1.95 | 1 | 0 | amine;
thiol | geroprotector;
human metabolite;
mouse metabolite;
radiation protective agent |
cycloheximide
Cycloheximide: Antibiotic substance isolated from streptomycin-producing strains of Streptomyces griseus. It acts by inhibiting elongation during protein synthesis.. cycloheximide : A dicarboximide that is 4-(2-hydroxyethyl)piperidine-2,6-dione in which one of the hydrogens attached to the carbon bearing the hydroxy group is replaced by a 3,5-dimethyl-2-oxocyclohexyl group. It is an antibiotic produced by the bacterium Streptomyces griseus. | 1.97 | 1 | 0 | antibiotic fungicide;
cyclic ketone;
dicarboximide;
piperidine antibiotic;
piperidones;
secondary alcohol | anticoronaviral agent;
bacterial metabolite;
ferroptosis inhibitor;
neuroprotective agent;
protein synthesis inhibitor |
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. | 2.35 | 2 | 0 | nitrobenzoic acid;
organic disulfide | indicator |
uridine diphosphate glucose
Uridine Diphosphate Glucose: A key intermediate in carbohydrate metabolism. Serves as a precursor of glycogen, can be metabolized into UDPgalactose and UDPglucuronic acid which can then be incorporated into polysaccharides as galactose and glucuronic acid. Also serves as a precursor of sucrose lipopolysaccharides, and glycosphingolipids.. UDP-alpha-D-glucose : The alpha-anomer of UDP-alpha-D-glucose. It is used in nucleotide sugars metabolism. | 4.33 | 20 | 0 | UDP-D-glucose | fundamental metabolite |
phosphoadenosine phosphosulfate
Phosphoadenosine Phosphosulfate: 3'-Phosphoadenosine-5'-phosphosulfate. Key intermediate in the formation by living cells of sulfate esters of phenols, alcohols, steroids, sulfated polysaccharides, and simple esters, such as choline sulfate. It is formed from sulfate ion and ATP in a two-step process. This compound also is an important step in the process of sulfur fixation in plants and microorganisms.. 3'-phospho-5'-adenylyl sulfate : An adenosine bisphosphate having monophosphate groups at the 3'- and 5'-positions and a sulfo group attached to the phosphate at position 5'. | 2.38 | 2 | 0 | acyl sulfate;
adenosine bisphosphate;
purine ribonucleoside bisphosphate | Escherichia coli metabolite;
mouse metabolite |
uridine diphosphate n-acetylglucosamine
Uridine Diphosphate N-Acetylglucosamine: Serves as the biological precursor of insect chitin, of muramic acid in bacterial cell walls, and of sialic acids in mammalian glycoproteins. | 3.09 | 5 | 0 | | |
methamphetamine
Methamphetamine: A central nervous system stimulant and sympathomimetic with actions and uses similar to DEXTROAMPHETAMINE. The smokable form is a drug of abuse and is referred to as crank, crystal, crystal meth, ice, and speed.. methamphetamine : A member of the class of amphetamines in which the amino group of (S)-amphetamine carries a methyl substituent. | 1.95 | 1 | 0 | amphetamines;
secondary amine | central nervous system stimulant;
environmental contaminant;
neurotoxin;
psychotropic drug;
xenobiotic |
uridine diphosphate glucuronic acid
Uridine Diphosphate Glucuronic Acid: A nucleoside diphosphate sugar which serves as a source of glucuronic acid for polysaccharide biosynthesis. It may also be epimerized to UDP iduronic acid, which donates iduronic acid to polysaccharides. In animals, UDP glucuronic acid is used for formation of many glucosiduronides with various aglycones.. UDP-alpha-D-glucuronic acid : A UDP-sugar having alpha-D-glucuronic acid as the sugar component. | 5.76 | 28 | 0 | UDP-D-glucuronic acid | Escherichia coli metabolite;
human metabolite;
mouse metabolite |
uridine diphosphate galactose
Uridine Diphosphate Galactose: A nucleoside diphosphate sugar which can be epimerized into UDPglucose for entry into the mainstream of carbohydrate metabolism. Serves as a source of galactose in the synthesis of lipopolysaccharides, cerebrosides, and lactose.. UDP-alpha-D-galactose : A UDP-D-galactose in which the anomeric centre of the galactose moiety has alpha-configuration. | 3.36 | 7 | 0 | UDP-D-galactose | mouse metabolite |
1-hydroxypyrene
1-hydroxypyrene: pyrene metabolite; RN given refers to parent cpd | 2.06 | 1 | 0 | pyrenes | |
manganese
Manganese: A trace element with atomic symbol Mn, atomic number 25, and atomic weight 54.94. It is concentrated in cell mitochondria, mostly in the pituitary gland, liver, pancreas, kidney, and bone, influences the synthesis of mucopolysaccharides, stimulates hepatic synthesis of cholesterol and fatty acids, and is a cofactor in many enzymes, including arginase and alkaline phosphatase in the liver. (From AMA Drug Evaluations Annual 1992, p2035). manganese(4+) : A manganese cation that is monoatomic and has a formal charge of +4. | 2.36 | 2 | 0 | elemental manganese;
manganese group element atom | Escherichia coli metabolite;
micronutrient |
rhamnose
[no description available] | 2.03 | 1 | 0 | L-rhamnose | |
trazodone hydrochloride
Triticum: A plant genus of the family POACEAE that is the source of EDIBLE GRAIN. A hybrid with rye (SECALE CEREALE) is called TRITICALE. The seed is ground into FLOUR and used to make BREAD, and is the source of WHEAT GERM AGGLUTININS.. trazodone hydrochloride : A hydrochloride salt prepared from equimolar amounts of trazodone and hydrogen chloride. | 2.9 | 4 | 0 | hydrochloride | adrenergic antagonist;
antidepressant;
H1-receptor antagonist;
sedative;
serotonin uptake inhibitor |
metaperiodate
Periodic Acid: A strong oxidizing agent. | 1.95 | 1 | 0 | iodine oxoacid | |
1,5-i-aedans
1,5-I-AEDANS: fluorescent probes which are sulfhydryl reagents; combine reactivity of iodoacetamide toward sulfhydryl groups with spectral properties of naphthalenesulfonic acids; structure. 5-{[2-(iodoacetamido)ethyl]amino}naphthalene-1-sulfonic acid : An aminonaphthalenesulfonic acid fluorophore with a structure consisting of ethylenediamine substituted on the nitrogens with iodoacetyl and 5-sulfonyl-1-naphthyl groups. | 1.96 | 1 | 0 | aminonaphthalenesulfonic acid | fluorescent probe |
glucuronic acid
Glucuronic Acid: A sugar acid formed by the oxidation of the C-6 carbon of GLUCOSE. In addition to being a key intermediate metabolite of the uronic acid pathway, glucuronic acid also plays a role in the detoxification of certain drugs and toxins by conjugating with them to form GLUCURONIDES.. D-glucuronic acid : The D-enantiomer of glucuronic acid.. D-glucopyranuronic acid : A D-glucuronic acid in cyclic pyranose form. | 3.14 | 5 | 0 | D-glucuronic acid | algal metabolite |
xylose
xylopyranose: structure in first source | 4.44 | 22 | 0 | D-xylose | |
organophosphonates
hydrogenphosphite : A divalent inorganic anion resulting from the removal of a proton from two of the hydroxy groups of phosphorous acid. | 2.07 | 1 | 0 | divalent inorganic anion;
phosphite ion | |
benzyl-beta-d-xyloside
benzyl-beta-D-xyloside: RN given refers to (beta-D)-isomer | 2.02 | 1 | 0 | | |
glycogen
glycogen : A polydisperse, highly branched glucan composed of chains of D-glucopyranose residues in alpha(1->4) glycosidic linkage, joined together by alpha(1->6) glycosidic linkages. A small number of alpha(1->3) glycosidic linkages and some cumulative alpha(1->6) links also may occur. The branches in glycogen typically contain 8 to 12 glucose residues. | 2.37 | 2 | 0 | | |
arabinose
[no description available] | 2.92 | 4 | 0 | L-arabinose | Escherichia coli metabolite;
mouse metabolite |
mannose-6-phosphate
beta-D-mannose 6-phosphate : A D-mannopyranose 6-phosphate with a beta-configuration at the anomeric position. | 1.98 | 1 | 0 | D-mannopyranose 6-phosphate | |
glucosamine
D-glucosamine : An amino sugar whose structure comprises D-glucose having an amino substituent at position 2.. 2-amino-2-deoxy-D-glucopyranose : A D-glucosamine whose structure comprises D-glucopyranose having an amino substituent at position 2. | 2.37 | 2 | 0 | D-glucosamine | Escherichia coli metabolite;
geroprotector;
mouse metabolite |
uridine 5'-(alpha-d-apio-d-furanosyl pyrophosphate)
UDP-alpha-D-apiose : A UDP-D-apiose in which the anomeric centre of the apiose fragment has alpha-configuration.. UDP-D-apiose : A UDP-sugar having D-apiose as the sugar portion. | 2.5 | 2 | 0 | UDP-D-apiose | |
hemoglobin randwick
hemoglobin Randwick: unstable beta chain hemoglobin variant; Try replaced by Gly on beta chain 15(A12). (1->4)-beta-D-mannan : A mannan composed from D-mannan residues joined by beta-(1->4) linkages.. beta-D-mannose : A D-mannopyranose in which the anomeric centre has beta-configuration.. (1->2)-beta-D-mannan : A mannan consisting of repeating mannosyl units joined via beta-(1->2)-linkages. | 1.98 | 1 | 0 | D-mannopyranose | epitope |
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. | 1.98 | 1 | 0 | acyl-CoA | acyl donor;
coenzyme;
effector;
fundamental metabolite |
pectins
Pectins: High molecular weight polysaccharides present in the cell walls of all plants. Pectins cement cell walls together. They are used as emulsifiers and stabilizers in the food industry. They have been tried for a variety of therapeutic uses including as antidiarrheals, where they are now generally considered ineffective, and in the treatment of hypercholesterolemia.. alpha-D-galacturonic acid : The alpha-anomer of D-galacturonic acid. | 2.41 | 2 | 0 | D-galactopyranuronic acid | |
dactinomycin
Dactinomycin: A compound composed of a two CYCLIC PEPTIDES attached to a phenoxazine that is derived from STREPTOMYCES parvullus. It binds to DNA and inhibits RNA synthesis (transcription), with chain elongation more sensitive than initiation, termination, or release. As a result of impaired mRNA production, protein synthesis also declines after dactinomycin therapy. (From AMA Drug Evaluations Annual, 1993, p2015) | 1.97 | 1 | 0 | actinomycin | mutagen |
glycosides
[no description available] | 2.02 | 1 | 0 | | |
5-azido-udp-glucuronic acid
5-azido-UDP-glucuronic acid: used as photoaffinity probe for UDP-glucuronic acid-utilizing proteins; RN given is for beta-32P labelled cpd | 1.98 | 1 | 0 | | |
uridine diphosphate arabinose
uridine diphosphate arabinose: RN given refers to (L)-isomer | 3.26 | 6 | 0 | | |
bilirubin
[no description available] | 4.3 | 6 | 0 | biladienes;
dicarboxylic acid | antioxidant;
human metabolite;
mouse metabolite |
hymecromone
Hymecromone: A coumarin derivative possessing properties as a spasmolytic, choleretic and light-protective agent. It is also used in ANALYTICAL CHEMISTRY TECHNIQUES for the determination of NITRIC ACID. | 2.06 | 1 | 0 | hydroxycoumarin | antineoplastic agent;
hyaluronic acid synthesis inhibitor |
bilirubin diglucuronide
[no description available] | 3.06 | 1 | 0 | | |
apis
apiose: RN given refers to (D)-isomer; structure | 2.07 | 1 | 0 | carbohydrate | |
nad
NAD(1-) : An anionic form of nicotinamide adenine dinucleotide arising from deprotonation of the two OH groups of the diphosphate moiety. | 3.76 | 11 | 0 | organophosphate oxoanion | cofactor;
human metabolite;
hydrogen acceptor;
Saccharomyces cerevisiae metabolite |
cellulose
DEAE-Cellulose: Cellulose derivative used in chromatography, as ion-exchange material, and for various industrial applications. | 2.41 | 1 | 0 | glycoside | |
mannans
[no description available] | 1.98 | 1 | 0 | | |
uridine diphosphate n-acetylgalactosamine
Uridine Diphosphate N-Acetylgalactosamine: A nucleoside diphosphate sugar which serves as a source of N-acetylgalactosamine for glycoproteins, sulfatides and cerebrosides.. UDP-N-acetyl-D-galactosamine(2-) : Dianion of UDP-N-acetyl-D-galactosamine arising from deprotonation of the diphosphate OH groups; major species at pH 7.3.. UDP-N-acetyl-D-galactosamine : A UDP-sugar having N-acetyl-D-galactosamine as the sugar component. | 1.95 | 1 | 0 | nucleotide-sugar oxoanion | human metabolite |
chondroitin
Chondroitin: A mucopolysaccharide constituent of chondrin. (Grant & Hackh's Chemical Dictionary, 5th ed) | 2.35 | 2 | 0 | | |
heparitin sulfate
Heparitin Sulfate: A heteropolysaccharide that is similar in structure to HEPARIN. It accumulates in individuals with MUCOPOLYSACCHARIDOSIS. | 2 | 1 | 0 | | |
epidermal growth factor
Epidermal Growth Factor: A 6-kDa polypeptide growth factor initially discovered in mouse submaxillary glands. Human epidermal growth factor was originally isolated from urine based on its ability to inhibit gastric secretion and called urogastrone. Epidermal growth factor exerts a wide variety of biological effects including the promotion of proliferation and differentiation of mesenchymal and EPITHELIAL CELLS. It is synthesized as a transmembrane protein which can be cleaved to release a soluble active form. | 2.03 | 1 | 0 | | |
cellohexaose
D-cellohexaose : A hexasaccharide consisting of five beta-D-glucopyranose residues and a D-glucopyranose residue joined in sequence by (1->4) glycosidic bonds. | 2.47 | 2 | 0 | glucohexaose | |
digitonin
Digitonin: A glycoside obtained from Digitalis purpurea; the aglycone is digitogenin which is bound to five sugars. Digitonin solubilizes lipids, especially in membranes and is used as a tool in cellular biochemistry, and reagent for precipitating cholesterol. It has no cardiac effects.. digitonin : A spirostanyl glycoside that is digitogenin in which the 3-hydroxy group is substituted by a beta-D-glucopyranosyl-(1->3)-beta-D-galactopyranosyl-(1->2)-[beta-D-xylopyranosyl-(1->3)]-beta-D-glucopyranosyl-(1->4)-beta-D-galactopyranosyl group. It is a steroidal saponin isolated from the foxglove plant, Digitalis purpurea. It is used extensively as a mild non-ionic detergent for extracting proteins from membranes for structure and function studies. | 1.98 | 1 | 0 | | |
rhamnogalacturonan i
rhamnogalacturonan I: pectic polysaccharide from sycamore cell walls; composed of galactosyluronic acid, rhamnosyl, galactosyl, arabinosyl & fucosyl residues. rhamnogalacturonan I : A family of polysaccharides that all contain a linear backbone composed of repeating units of the disaccharide alpha-D-GalpA-(l->2)-alpha-L-Rhap joined by alpha-(1->4) linkages. | 2.03 | 1 | 0 | | |
chondroitin sulfates
Chondroitin Sulfates: Derivatives of chondroitin which have a sulfate moiety esterified to the galactosamine moiety of chondroitin. Chondroitin sulfate A, or chondroitin 4-sulfate, and chondroitin sulfate C, or chondroitin 6-sulfate, have the sulfate esterified in the 4- and 6-positions, respectively. Chondroitin sulfate B (beta heparin; DERMATAN SULFATE) is a misnomer and this compound is not a true chondroitin sulfate. | 2.38 | 2 | 0 | | |
guanosine diphosphate glucose
guanosine diphosphate glucose: acts as a source of glucose for cellulose synthesis in some plants; minor descriptor (75-83); on-line & Index Medicus search GUANOSINE DIPHOSPHATE SUGARS (75-83); RN given refers to (alpha-D)-isomer. GDP-alpha-D-glucose : A GDP-D-glucose having alpha-configuration at the anomeric centre. | 2.38 | 2 | 0 | GDP-D-glucose | |
guanosine diphosphate mannose
Guanosine Diphosphate Mannose: A nucleoside diphosphate sugar which can be converted to the deoxy sugar GDPfucose, which provides fucose for lipopolysaccharides of bacterial cell walls. Also acts as mannose donor for glycolipid synthesis.. GDP-D-mannose : A GDP-mannose in which the mannose fragment has D-configuration.. GDP-alpha-D-mannose : The alpha-anomer of GDP-D-mannose. | 2.38 | 2 | 0 | GDP-D-mannose | Escherichia coli metabolite;
human metabolite;
mouse metabolite;
plant metabolite |