Substance | Relationship Strength | Studies | Trials | Classes | Roles |
cysteine sulfinic acid cysteine sulfinic acid: metabolite of sulfur-containing amino acids | 2.1 | 1 | 0 | | |
allantoin [no description available] | 3.94 | 2 | 0 | imidazolidine-2,4-dione; ureas | Escherichia coli metabolite; human metabolite; Saccharomyces cerevisiae metabolite; vulnerary |
betaine glycine betaine : The amino acid betaine derived from glycine. | 5.51 | 15 | 0 | amino-acid betaine; glycine derivative | fundamental metabolite |
choline [no description available] | 1.93 | 1 | 0 | cholines | allergen; Daphnia magna metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; neurotransmitter; nutrient; plant metabolite; Saccharomyces cerevisiae metabolite |
imidazole imidazole: RN given refers to parent cpd. 1H-imidazole : An imidazole tautomer which has the migrating hydrogen at position 1. | 2.15 | 1 | 0 | imidazole | |
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. | 5.51 | 15 | 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 |
tromethamine Tromethamine: An organic amine proton acceptor. It is used in the synthesis of surface-active agents and pharmaceuticals; as an emulsifying agent for cosmetic creams and lotions, mineral oil and paraffin wax emulsions, as a biological buffer, and used as an alkalizer. (From Merck, 11th ed; Martindale, The Extra Pharmacopoeia, 30th ed, p1424) | 2.15 | 1 | 0 | primary amino compound; triol | buffer |
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. | 2.13 | 1 | 0 | pyrrole; secondary amine | |
calcium hypochlorite calcium hypochlorite: structure | 2.31 | 1 | 0 | calcium salt; inorganic calcium salt | bleaching agent |
gamma-glutamylcysteine L-gamma-glutamyl-L-cysteine : A molecular entity formed when L-cysteine amino group binds to the gamma-carbonyl of L-glutamic acid. | 2.25 | 1 | 0 | gamma-glutamylcysteine | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
ovothiol c ovothiol C: confers NAD(P)H-O2 oxidoreductase activity on ovoperoxidase; from sea urchin eggs; structure given in first source. ovothiol C : A L-histidine derivative that is N,N-dimethyl-L-histidine substituted at positions N3 and C5 on the imidazole ring by methyl and mercapto groups respectively. | 2.49 | 2 | 0 | aryl thiol; L-alpha-amino acid zwitterion; L-histidine derivative | antioxidant; marine metabolite; radical scavenger |
singlet oxygen Singlet Oxygen: An excited state of molecular oxygen generated photochemically or chemically. Singlet oxygen reacts with a variety of biological molecules such as NUCLEIC ACIDS; PROTEINS; and LIPIDS; causing oxidative damages. | 7.15 | 1 | 0 | chalcogen; monoatomic oxygen; nonmetal atom | macronutrient |
methimazole Methimazole: A thioureylene antithyroid agent that inhibits the formation of thyroid hormones by interfering with the incorporation of iodine into tyrosyl residues of thyroglobulin. This is done by interfering with the oxidation of iodide ion and iodotyrosyl groups through inhibition of the peroxidase enzyme.. methimazole : A member of the class of imidazoles that it imidazole-2-thione in which a methyl group replaces the hydrogen which is attached to a nitrogen. | 7.03 | 1 | 0 | 1,3-dihydroimidazole-2-thiones | antithyroid drug |
pyrroloquinoline pyrroloquinoline: check to see if actually PYRROLOQUINOLINE QUINONE (PQQ COFACTOR) | 2.13 | 1 | 0 | | |
ergothioneine ergothioneine thione form : A L-histidine derivative that is N(alpha),N(alpha),N(alpha)-trimethyl-L-histidine in which the hydrogen at position 2 on the imdazole ring is replaced by a thioxo group. | 5.3 | 12 | 0 | 1,3-dihydroimidazole-2-thiones; amino-acid betaine; L-histidine derivative; sulfur-containing amino acid | antioxidant; chelator; fungal metabolite; plant metabolite; xenobiotic 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. | 2.49 | 2 | 0 | cysteinium | fundamental metabolite |
ophthalmic acid ophthalmic acid: glutathione analog in which cysteine moiety is replaced by L-aminobutyrate. ophthalmic acid : A L-glutamine derivative that is L-glutamine substituted by a 1-[(carboxymethyl)amino]-1-oxobutan-2-yl at the terminal amino nitrogen atom. | 2.15 | 1 | 0 | L-glutamine derivative | biomarker; human metabolite |
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. | 2.1 | 1 | 0 | | |
deoxyguanosine [no description available] | 3.94 | 2 | 0 | purine 2'-deoxyribonucleoside; purines 2'-deoxy-D-ribonucleoside | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
8-hydroxy-2'-deoxyguanosine 8-Hydroxy-2'-Deoxyguanosine: Common oxidized form of deoxyguanosine in which C-8 position of guanine base has a carbonyl group.. 8-hydroxy-2'-deoxyguanosine : Guanosine substituted at the purine 8-position by a hydroxy group. It is used as a biomarker of oxidative DNA damage. | 3.94 | 2 | 0 | guanosines | biomarker |