| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
betaine
glycine betaine : The amino acid betaine derived from glycine. | 2.38 | 2 | 0 | amino-acid betaine;
glycine derivative | fundamental metabolite |
hydrogen sulfide
Hydrogen Sulfide: A flammable, poisonous gas with a characteristic odor of rotten eggs. It is used in the manufacture of chemicals, in metallurgy, and as an analytical reagent. (From Merck Index, 11th ed). hydrogen sulfide : A sulfur hydride consisting of a single sulfur atom bonded to two hydrogen atoms. A highly poisonous, flammable gas with a characteristic odour of rotten eggs, it is often produced by bacterial decomposition of organic matter in the absence of oxygen.. thiol : An organosulfur compound in which a thiol group, -SH, is attached to a carbon atom of any aliphatic or aromatic moiety. | 3.51 | 1 | 1 | gas molecular entity;
hydracid;
mononuclear parent hydride;
sulfur hydride | Escherichia coli metabolite;
genotoxin;
metabolite;
signalling molecule;
toxin;
vasodilator agent |
methanol
Methanol: A colorless, flammable liquid used in the manufacture of FORMALDEHYDE and ACETIC ACID, in chemical synthesis, antifreeze, and as a solvent. Ingestion of methanol is toxic and may cause blindness.. primary alcohol : A primary alcohol is a compound in which a hydroxy group, -OH, is attached to a saturated carbon atom which has either three hydrogen atoms attached to it or only one other carbon atom and two hydrogen atoms attached to it.. methanol : The primary alcohol that is the simplest aliphatic alcohol, comprising a methyl and an alcohol group. | 2.01 | 1 | 0 | alkyl alcohol;
one-carbon compound;
primary alcohol;
volatile organic compound | amphiprotic solvent;
Escherichia coli metabolite;
fuel;
human metabolite;
mouse metabolite;
Mycoplasma genitalium metabolite |
putrescine
[no description available] | 1.97 | 1 | 0 | alkane-alpha,omega-diamine | antioxidant;
fundamental metabolite |
selenic acid
Selenic Acid: A strong dibasic acid with the molecular formula H2SeO4. Included under this heading is the acid form, and inorganic salts of dihydrogen selenium tetraoxide. | 5.08 | 5 | 2 | selenium oxoacid | |
selenious acid
Selenious Acid: A selenium compound with the molecular formula H2SO3. It used as a source of SELENIUM, especially for patients that develop selenium deficiency following prolonged PARENTERAL NUTRITION. | 3.69 | 10 | 0 | selenium oxoacid | |
spermidine
[no description available] | 1.97 | 1 | 0 | polyazaalkane;
triamine | autophagy inducer;
fundamental metabolite;
geroprotector |
spermine
[no description available] | 1.97 | 1 | 0 | polyazaalkane;
tetramine | antioxidant;
fundamental metabolite;
immunosuppressive agent |
trimethylsulfonium
[no description available] | 8.81 | 2 | 1 | sulfonium compound | animal metabolite |
urea
pseudourea: clinical use; structure. isourea : A carboximidic acid that is the imidic acid tautomer of urea, H2NC(=NH)OH, and its hydrocarbyl derivatives. | 2.01 | 1 | 0 | isourea;
monocarboxylic acid amide;
one-carbon compound | Daphnia magna metabolite;
Escherichia coli metabolite;
fertilizer;
flour treatment agent;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
9,10-dimethyl-1,2-benzanthracene
9,10-Dimethyl-1,2-benzanthracene: Polycyclic aromatic hydrocarbon found in tobacco smoke that is a potent carcinogen.. 7,12-dimethyltetraphene : A tetraphene having methyl substituents at the 7- and 12-positions. It is a potent carcinogen and is present in tobacco smoke. | 1.98 | 1 | 0 | ortho-fused polycyclic arene;
tetraphenes | carcinogenic agent |
galactose
galactopyranose : The pyranose form of galactose. | 3.51 | 1 | 1 | D-galactose;
galactopyranose | Escherichia coli metabolite;
mouse metabolite |
methionine
Methionine: A sulfur-containing essential L-amino acid that is important in many body functions.. methionine : A sulfur-containing amino acid that is butyric acid bearing an amino substituent at position 2 and a methylthio substituent at position 4. | 6.98 | 1 | 0 | aspartate family amino acid;
L-alpha-amino acid;
methionine zwitterion;
methionine;
proteinogenic amino acid | antidote to paracetamol poisoning;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical |
methyl iodide
methyl iodide: RN given refers to unlabeled cpd with MF of CH3-I. iodomethane : A member of the class of iodomethanes that is methane in which one of the hydrogens is replaced by iodine. | 2.37 | 2 | 0 | iodomethanes;
methyl halides | fumigant insecticide |
methanesulfonic acid
[no description available] | 2.01 | 1 | 0 | alkanesulfonic acid;
one-carbon compound | Escherichia coli metabolite |
allyl sulfide
allyl sulfide: essence of garlic; inhibits CYP2E1 | 1.97 | 1 | 0 | organic sulfide | |
dimethylselenide
dimethylselenide: RN given refers to unlabeled cpd. dimethylselenide : An organoselenium compound of two methyl groups covalently bound to a selenium. | 8.48 | 8 | 0 | organoselenium compound | bacterial xenobiotic metabolite;
plant metabolite |
selenomethionine
[no description available] | 6.16 | 17 | 2 | selenoamino acid;
selenomethionines | plant metabolite |
selenocystine
selenocystine: RN given refers to parent cpd; structure | 7.72 | 3 | 0 | diselenide;
selenoamino acid | |
iridium
Iridium: A metallic element with the atomic symbol Ir, atomic number 77, and atomic weight 192.22. | 2.02 | 1 | 0 | cobalt group element atom;
platinum group metal atom | |
mercury
Mercury: A silver metallic element that exists as a liquid at room temperature. It has the atomic symbol Hg (from hydrargyrum, liquid silver), atomic number 80, and atomic weight 200.59. Mercury is used in many industrial applications and its salts have been employed therapeutically as purgatives, antisyphilitics, disinfectants, and astringents. It can be absorbed through the skin and mucous membranes which leads to MERCURY POISONING. Because of its toxicity, the clinical use of mercury and mercurials is diminishing.. mercury(0) : Elemental mercury of oxidation state zero. | 1.95 | 1 | 0 | elemental mercury;
zinc group element atom | neurotoxin |
galactosamine
2-amino-2-deoxy-D-galactopyranose : The pyranose form of D-galactosamine.. D-galactosamine : The D-stereoisomer of galactosamine. | 2.02 | 1 | 0 | D-galactosamine;
primary amino compound | toxin |
chlorine
Chlorine: An element with atomic symbol Cl, atomic number 17, and atomic weight 35, and member of the halogen family. | 1.94 | 1 | 0 | diatomic chlorine;
gas molecular entity | bleaching agent |
sodium selenite
disodium selenite : An inorganic sodium salt composed of sodium and selenite ions in a 2:1 ratio. | 4.92 | 8 | 1 | inorganic sodium salt;
selenite salt | nutraceutical |
adenosine
quinquefolan B: isolated from roots of Panax quinquefolium L.; RN not in Chemline 10/87; RN from Toxlit | 7.69 | 3 | 0 | adenosines;
purines D-ribonucleoside | analgesic;
anti-arrhythmia drug;
fundamental metabolite;
human metabolite;
vasodilator agent |
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. | 6.98 | 1 | 0 | amino acid zwitterion;
homocysteine;
serine family amino acid | fundamental metabolite;
mouse metabolite |
cyanates
Cyanates: Organic salts of cyanic acid containing the -OCN radical.. cyanates : Salts and esters of cyanic acid, HOC#N; compounds carrying the cyanate functional group -O-C#N.. isocyanates : Organonitrogen compounds that are derivatives of isocyanic acid; compounds containing the isocyanate functional group -N=C=O (as opposed to the cyanate group, -O-C#N). | 2.42 | 2 | 0 | | |
selenomethylselenocysteine
selenomethylselenocysteine: RN given refers to parent cpd | 3.41 | 7 | 0 | non-proteinogenic alpha-amino acid;
selenocysteines | antineoplastic agent;
human metabolite |
methylselenic acid
methylseleninic acid : An organoselenium compound that is seleninic acid in which the hydrogen attached to selenium is replaced by a methyl group. | 2.03 | 1 | 0 | one-carbon compound;
organoselenium compound | antineoplastic agent;
EC 3.5.1.98 (histone deacetylase) inhibitor;
human xenobiotic metabolite |
s-adenosylhomocysteine
S-Adenosylhomocysteine: 5'-S-(3-Amino-3-carboxypropyl)-5'-thioadenosine. Formed from S-adenosylmethionine after transmethylation reactions.. S-adenosyl-L-homocysteine : An organic sulfide that is the S-adenosyl derivative of L-homocysteine. | 2.41 | 2 | 0 | adenosines;
amino acid zwitterion;
homocysteine derivative;
homocysteines;
organic sulfide | cofactor;
EC 2.1.1.72 [site-specific DNA-methyltransferase (adenine-specific)] inhibitor;
EC 2.1.1.79 (cyclopropane-fatty-acyl-phospholipid synthase) inhibitor;
epitope;
fundamental metabolite |
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. | 2.02 | 1 | 0 | D-glucosamine | Escherichia coli metabolite;
geroprotector;
mouse metabolite |
cystine
[no description available] | 7.72 | 3 | 0 | | |
sodium borohydride
sodium borohydride: RN given refers to parent cpd | 1.96 | 1 | 0 | inorganic sodium salt;
metal tetrahydridoborate | |
arsenic
Arsenic: A shiny gray element with atomic symbol As, atomic number 33, and atomic weight 75. It occurs throughout the universe, mostly in the form of metallic arsenides. Most forms are toxic. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), arsenic and certain arsenic compounds have been listed as known carcinogens. (From Merck Index, 11th ed) | 2.65 | 3 | 0 | metalloid atom;
pnictogen | micronutrient |
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. | 8.08 | 5 | 0 | cysteinium | fundamental metabolite |
selenium
Selenium: An element with the atomic symbol Se, atomic number 34, and atomic weight 78.97. It is an essential micronutrient for mammals and other animals but is toxic in large amounts. Selenium protects intracellular structures against oxidative damage. It is an essential component of GLUTATHIONE PEROXIDASE. | 6.55 | 47 | 1 | chalcogen;
nonmetal atom | micronutrient |
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. | 8.52 | 8 | 0 | | |
methaneselenol
methaneselenol: RN given refers to (75)Se-labeled cpd. methylselenol : An organoselenium compound that is a selenium analogue of methanol, comprising a methyl group covalently bound to a selenol group. | 2.01 | 1 | 0 | | |
selenourea
[no description available] | 2.01 | 1 | 0 | | |
selenocyanic acid
[no description available] | 2.42 | 2 | 0 | organic radical | |
selenobetaine
selenobetaine: structure given in first source | 2.38 | 2 | 0 | | |
s-adenosylmethionine
(R)-S-adenosyl-L-methionine : An S-adenosyl-L-methionine that has R-configuration.. S-adenosyl-L-methionine zwitterion : A zwitterionic tautomer of S-adenosyl-L-methionine arising from shift of the proton from the carboxy group to the amino group.. (R)-S-adenosyl-L-methionine zwitterion : An S-adenosyl-L-methionine zwitterion that has R-configuration; major species at pH 7.3.. (S)-S-adenosyl-L-methionine zwitterion : An S-adenosyl-L-methionine zwitterion that has S-configuration; major species at pH 7.3.. S-adenosyl-L-methionine : A sulfonium compound that is the S-adenosyl derivative of L-methionine. It is an intermediate in the metabolic pathway of methionine. | 7.41 | 2 | 0 | organic cation;
sulfonium compound | coenzyme;
cofactor;
human metabolite;
micronutrient;
Mycoplasma genitalium metabolite;
nutraceutical;
Saccharomyces cerevisiae metabolite |
caseins
Caseins: A mixture of related phosphoproteins occurring in milk and cheese. The group is characterized as one of the most nutritive milk proteins, containing all of the common amino acids and rich in the essential ones. | 1.97 | 1 | 0 | | |