Target type: biologicalprocess
The chemical reactions and pathways resulting in the breakdown of an amide, any derivative of an oxoacid in which an acidic hydroxy group has been replaced by an amino or substituted amino group. [GOC:curators]
Amide catabolism is a fundamental biochemical process that involves the breakdown of amide bonds, which are characteristic of organic compounds containing the functional group -CONH2. This process plays a crucial role in various metabolic pathways, including the degradation of proteins, the synthesis of amino acids, and the detoxification of harmful substances.
The amide catabolic process is initiated by enzymes known as amidases, which catalyze the hydrolysis of amide bonds. These enzymes typically utilize water molecules as a nucleophile to attack the carbonyl carbon of the amide group, resulting in the formation of a carboxylic acid and an amine. The specific amidase enzyme involved varies depending on the substrate and the organism.
In the case of protein degradation, amide catabolism is an integral step in the breakdown of peptide bonds, which are amide bonds linking amino acid residues. Proteases, a class of amidases, cleave peptide bonds, releasing individual amino acids that can be further metabolized. This process is essential for the recycling of amino acids and the removal of damaged or misfolded proteins.
Amide catabolism is also involved in the biosynthesis of amino acids. For example, the synthesis of glutamine from glutamate requires the hydrolysis of an amide bond. This reaction is catalyzed by glutaminase, an amidase that removes ammonia from glutamine, generating glutamate and ammonia.
Furthermore, amide catabolism plays a role in detoxification. Some harmful substances, such as pharmaceuticals or environmental pollutants, contain amide bonds. By hydrolyzing these bonds, amidases can detoxify these substances, rendering them less toxic.
Overall, amide catabolism is a multifaceted process that is essential for various metabolic pathways, including protein degradation, amino acid synthesis, and detoxification. The hydrolysis of amide bonds, catalyzed by amidases, is a key step in these processes, ensuring the proper functioning of cells and organisms.'
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| Protein | Definition | Taxonomy |
|---|---|---|
| Guanine deaminase | A guanine deaminase that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q9Y2T3] | Homo sapiens (human) |
| Xanthine dehydrogenase/oxidase | A xanthine dehydrogenase/oxidase that is encoded in the genome of human. [PRO:DNx, UniProtKB:P47989] | Homo sapiens (human) |
| Adenosine deaminase | An adenosine deaminase that is encoded in the genome of human. [PRO:DNx, UniProtKB:P00813] | Homo sapiens (human) |
| Compound | Definition | Classes | Roles |
|---|---|---|---|
| adenine | 6-aminopurines; purine nucleobase | Daphnia magna metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite | |
| taxifolin | 3'-hydroxyflavanones; 4'-hydroxyflavanones; dihydroflavonols; pentahydroxyflavanone; secondary alpha-hydroxy ketone | ||
| 5,6-dimethylbenzimidazole | 5,6-dimethylbenzimidazole : A dimethylbenzimidazole carrying methyl substituents at positions 5 and 6. 5,6-dimethylbenzimidazole: RN given refers to parent cpd | dimethylbenzimidazole | Escherichia coli metabolite; human metabolite |
| niacin | Niacin: A water-soluble vitamin of the B complex occurring in various animal and plant tissues. It is required by the body for the formation of coenzymes NAD and NADP. It has PELLAGRA-curative, vasodilating, and antilipemic properties. nicotinic acid : A pyridinemonocarboxylic acid that is pyridine in which the hydrogen at position 3 is replaced by a carboxy group. vitamin B3 : Any member of a group of vitamers that belong to the chemical structural class called pyridines that exhibit biological activity against vitamin B3 deficiency. Vitamin B3 deficiency causes a condition known as pellagra whose symptoms include depression, dermatitis and diarrhea. The vitamers include nicotinic acid and nicotinamide (and their ionized and salt forms). | pyridine alkaloid; pyridinemonocarboxylic acid; vitamin B3 | antidote; antilipemic drug; EC 3.5.1.19 (nicotinamidase) inhibitor; Escherichia coli metabolite; human urinary metabolite; metabolite; mouse metabolite; plant metabolite; vasodilator agent |
| uric acid | 6-hydroxy-1H-purine-2,8(7H,9H)-dione : A tautomer of uric acid having oxo groups at C-2 and C-8 and a hydroxy group at C-6. 7,9-dihydro-1H-purine-2,6,8(3H)-trione : An oxopurine in which the purine ring is substituted by oxo groups at positions 2, 6, and 8. uric acid : An oxopurine that is the final oxidation product of purine metabolism. Uric Acid: An oxidation product, via XANTHINE OXIDASE, of oxypurines such as XANTHINE and HYPOXANTHINE. It is the final oxidation product of purine catabolism in humans and primates, whereas in most other mammals URATE OXIDASE further oxidizes it to ALLANTOIN. | uric acid | Escherichia coli metabolite; human metabolite; mouse metabolite |
| xanthine | 7H-xanthine : An oxopurine in which the purine ring is substituted by oxo groups at positions 2 and 6 and N-7 is protonated. 9H-xanthine : An oxopurine in which the purine ring is substituted by oxo groups at positions 2 and 6 and N-9 is protonated. | xanthine | Saccharomyces cerevisiae metabolite |
| caffeine | purine alkaloid; trimethylxanthine | adenosine A2A receptor antagonist; adenosine receptor antagonist; adjuvant; central nervous system stimulant; diuretic; EC 2.7.11.1 (non-specific serine/threonine protein kinase) inhibitor; EC 3.1.4.* (phosphoric diester hydrolase) inhibitor; environmental contaminant; food additive; fungal metabolite; geroprotector; human blood serum metabolite; mouse metabolite; mutagen; plant metabolite; psychotropic drug; ryanodine receptor agonist; xenobiotic | |
| 9-(2-hydroxy-3-nonyl)adenine | 9-(2-hydroxy-3-nonyl)adenine: specific inhibitor of adenosine deaminase | ||
| propyl gallate | Propyl Gallate: Antioxidant for foods, fats, oils, ethers, emulsions, waxes, and transformer oils. | trihydroxybenzoic acid | |
| methyl gallate | methyl 3,4,5-trihydroxybenzoate : A gallate ester obtained by the formal condensation of gallic acid with methanol. It exhibits anti-oxidant, anti-tumor, anti-microbial and anti-inflammatory properties. methyl gallate: has both immunosuppressive and phytogenic antineoplastic activities; isolated from Acer saccharinum | gallate ester | anti-inflammatory agent; antioxidant; plant metabolite |
| methylparaben | methylparaben : A 4-hydroxybenzoate ester resulting from the formal condensation of the carboxy group of 4-hydroxybenzoic acid with methanol. It is the most frequently used antimicrobial preservative in cosmetics. It occurs naturally in several fruits, particularly in blueberries. methylparaben: used as a preservative in cosmetics but potentiates UV-induced damage of skin; RN given refers to parent cpd | paraben | antifungal agent; antimicrobial food preservative; neuroprotective agent; plant metabolite |
| catechin | (+)-catechin : The (+)-enantiomer of catechin and a polyphenolic antioxidant plant metabolite. catechin : Members of the class of hydroxyflavan that have a flavan-3-ol skeleton and its substituted derivatives. Catechin: An antioxidant flavonoid, occurring especially in woody plants as both (+)-catechin and (-)-epicatechin (cis) forms. rac-catechin : A racemate comprising equimolar amounts of (+)- and (-)-catechin | catechin | antioxidant; plant metabolite |
| aminoimidazole carboxamide | 5-aminoimidazole-4-carboxamide : An aminoimidazole in which the amino group is at C-5 with a carboxamido group at C-4. Aminoimidazole Carboxamide: An imidazole derivative which is a metabolite of the antineoplastic agents BIC and DIC. By itself, or as the ribonucleotide, it is used as a condensation agent in the preparation of nucleosides and nucleotides. Compounded with orotic acid, it is used to treat liver diseases. | aminoimidazole; monocarboxylic acid amide | mouse metabolite |
| 2-aminopurine | 2-aminopurine : The parent compound of the 2-aminopurines, comprising a purine core carrying an amino substituent at the 2-position. 2-Aminopurine: A purine that is an isomer of ADENINE (6-aminopurine). aminopurine : Any purine having at least one amino substituent. | 2-aminopurines; nucleobase analogue | antimetabolite |
| 3-hydroxyflavone | 3-hydroxyflavone: structure given in first source flavonol : A monohydroxyflavone that is the 3-hydroxy derivative of flavone. | flavonols; monohydroxyflavone | |
| 5-methylbenzimidazole | 5-methyl-1H-benzimidazole : A member of the class of imidazoles that is 1H-benzimidazole in which the hydrogen at position 5 is substituted by a methyl group. 5-methylbenzimidazole: structure in first source | imidazoles | |
| isovanillin | isovanillin : A member of the class of benzaldehydes that is 4-methoxybenzaldehyde substituted by a hydroxy group at position 3. It is an inhibitor of aldehyde oxidase. isovanillin: inhibits aldehyde oxidase | benzaldehydes; monomethoxybenzene; phenols | animal metabolite; antidiarrhoeal drug; antifungal agent; EC 1.2.3.1 (aldehyde oxidase) inhibitor; HIV protease inhibitor; plant metabolite |
| 3-hydroxy-1-benzopyran-2-one | 3-hydroxycoumarin: Photoprotective from sea urchin gametes and embryonic cells; structure in first source hydroxycoumarin : Any coumarin carrying at least one hydroxy substituent. | hydroxycoumarin | |
| butylated hydroxyanisole | |||
| coformycin | coformycins | EC 3.5.4.4 (adenosine deaminase) inhibitor | |
| 2,6-diaminopurine | 9H-purine-2,6-diamine : A member of the class of 2,6-diaminopurines that is 9H-purine in which the hydrogens at positions 2 and 6 are replaced by amino groups. | 2,6-diaminopurines; primary amino compound | antineoplastic agent |
| 6-hydroxy-2,5,7,8-tetramethylchroman-2-carboxylic acid | chromanol; monocarboxylic acid; phenols | antioxidant; ferroptosis inhibitor; neuroprotective agent; radical scavenger; Wnt signalling inhibitor | |
| adenosine | quinquefolan B: isolated from roots of Panax quinquefolium L.; RN not in Chemline 10/87; RN from Toxlit | adenosines; purines D-ribonucleoside | analgesic; anti-arrhythmia drug; fundamental metabolite; human metabolite; vasodilator agent |
| o-(6)-methylguanine | 6-O-methylguanine : A methylguanine in which the methyl group is positioned on the oxygen at position 6. Formed in DNA by alkylation of the oxygen atom of guanine, most often by N-nitroso compounds and sometimes due to methylation by other compounds such as endogenous S-adenosylmethionine, it base-pairs to thymine rather than cytidine, causing a G:C to A:T transition in DNA. methylguanine : A 2-aminopurine that is guanine bearing a single methyl substituent. O-(6)-methylguanine: structure | methylguanine | mutagen |
| secoisolariciresinol | (-)-secoisolariciresinol : An enantiomer of secoisolariciresinol having (-)-(2R,3R)-configuration. secoisolariciresinol : A lignan that is butane-1,4-diol in which the 2 and 3 positions are substituted by 4-hydroxy-3-methoxybenzyl groups secoisolariciresinol: RN given refers to ((R-(R*,R*))-isomer); RN for cpd without isomeric designation not available 8/89; precursor of lignans found in human urine; structure given in first source | secoisolariciresinol | antidepressant; phytoestrogen; plant metabolite |
| tangeretin | pentamethoxyflavone : A methoxyflavone that is flavone substituted by a five methoxy groups. tangeretin : A pentamethoxyflavone flavone with methoxy groups at positions 4', 5, 6 , 7 and 8. tangeretin: structure given in first source; from citrus plants; inhibits invasion of MO4 mouse cells into embryonic chick heart in vitro | pentamethoxyflavone | antineoplastic agent; plant metabolite |
| nebularine | nebularine : A purine ribonucleoside that is 9H-purine attached to a beta-D-ribofuranosyl residue at position 9 via a glycosidic (N-glycosyl) linkage. nebularine: structure | purine ribonucleoside; purines D-ribonucleoside | fungal metabolite |
| 7-methylxanthine | oxopurine; purine alkaloid | human xenobiotic metabolite; mouse metabolite; plant metabolite | |
| isoscopoletin | isoscopoletin : A hydroxycoumarin that is esculetin in which the hydroxy group at position 7 is replaced by a methoxy group. It is the major primary metabolite of scoparone. | aromatic ether; hydroxycoumarin | plant metabolite |
| 2-hydroxychavicol | 2-hydroxychavicol: antimutagen from betel leaf; structure given in first source | ||
| epicatechin | (-)-epicatechin : A catechin with (2R,3R)-configuration. | catechin; polyphenol | antioxidant |
| gallocatechol | (-)-epigallocatechin : A flavan-3,3',4',5,5',7-hexol having (2R,3R)-configuration. | catechin; flavan-3,3',4',5,5',7-hexol | antioxidant; food component; plant metabolite |
| nobiletin | nobiletin : A methoxyflavone that is flavone substituted by methoxy groups at positions 5, 6, 7, 8, 3' and 4' respectively. | methoxyflavone | antineoplastic agent; plant metabolite |
| 4-aminopyrazolo(3,4-d)pyrimidine | 4-aminopyrazolo(3,4-d)pyrimidine: adenine analog which suppresses growth of E coli & Bacillus cereus; inhibits cell growth & purine biosynthesis in rat hepatoma | ||
| 1-methylxanthine | 1-methyl-7H-xanthine : A 1-methylxanthine tautomer where the imidazole proton is located at the 7-position. 1-methylxanthine : A monomethylxanthine having the methyl group located at the 1-position. It is a metabolite of caffeine in humans. 1-methylxanthine: urinary metabolite of caffeine | 1-methylxanthine | mouse metabolite |
| monocerin | monocerin: structure in first source | hydroxybenzoic acid | metabolite |
| azepinomycin | azepinomycin: from Streptomyces sp. MF718-03; structure given in first source; RN given from Chem Abst Index Guide 1982-6 | ||
| febuxostat | febuxostat : A 1,3-thiazolemonocarboxylic acid that is 4-methyl-1,3-thiazole-5-carboxylic acid which is substituted by a 3-cyano-4-(2-methylpropoxy)phenyl group at position 2. It is an orally-active, potent, and selective xanthine oxidase inhibitor used for the treatment of chronic hyperuricaemia in patients with gout. Febuxostat: A thiazole derivative and inhibitor of XANTHINE OXIDASE that is used for the treatment of HYPERURICEMIA in patients with chronic GOUT. | 1,3-thiazolemonocarboxylic acid; aromatic ether; nitrile | EC 1.17.3.2 (xanthine oxidase) inhibitor |
| 9-(2-hydroxy-3-nonyl)adenine | (2R,3S)-EHNA : EHNA of absolute configuration 2R,3S. Selective inhibitor of cGMP-stimulated phosphodiesterase (PDE2) (IC50 = 0.8 - 4 mM). Also a potent inhibitor of adenosine deaminase. | EHNA | EC 3.1.4.* (phosphoric diester hydrolase) inhibitor; EC 3.5.4.4 (adenosine deaminase) inhibitor |
| 9-(2-hydroxy-3-nonyl)adenine | (2S,3R)-EHNA : EHNA of absolute configuration 2S,3R. | EHNA | |
| cirsimarin | cirsimarin: a flavone glycoside from Microtea debilis; structure given in first source | flavonoids; glycoside | |
| 1-deazaadenosine | 1-deazaadenosine: inhibits nucleic acid & protein synthesis; structure given in first source | ||
| 4'-hydroxyflavanone | 4'-hydroxyflavanone: structure in first source 4'-hydroxyflavanones : Any hydroxyflavanone having a hydroxy substituent located at position 4'. | 4'-hydroxyflavanones; monohydroxyflavanone | |
| rubrofusarin B | rubrofusarin B : A benzochromenone that is rubrofusarin in which the hydroxy group at position 6 has been converted to the corresponding methyl ether. | aromatic ether; benzochromenone; naphtho-gamma-pyrone; phenols; polyketide | Aspergillus metabolite |
| yemuoside ym(10) | yemuoside YM(10): from Stauntonia chinensis Decne; structure given in first source | ||
| methyl 3,4-dihydroxybenzoate | catechols; methyl ester | antioxidant; neuroprotective agent; plant metabolite | |
| naringenin | (S)-naringenin : The (S)-enantiomer of naringenin. | (2S)-flavan-4-one; naringenin | expectorant; plant metabolite |
| pentostatin | pentostatin : A member of the class of coformycins that is coformycin in which the hydroxy group at position 2' is replaced with a hydrogen. It is a drug used for the treatment of hairy cell leukaemia. Pentostatin: A potent inhibitor of ADENOSINE DEAMINASE. The drug induces APOPTOSIS of LYMPHOCYTES, and is used in the treatment of many lymphoproliferative malignancies, particularly HAIRY CELL LEUKEMIA. It is also synergistic with some other antineoplastic agents and has immunosuppressive activity. | coformycins | antimetabolite; antineoplastic agent; Aspergillus metabolite; bacterial metabolite; EC 3.5.4.4 (adenosine deaminase) inhibitor |
| y-700 | |||
| thioguanine anhydrous | Thioguanine: An antineoplastic compound which also has antimetabolite action. The drug is used in the therapy of acute leukemia. tioguanine : A 2-aminopurine that is the 6-thiono derivative of 2-amino-1,9-dihydro-6H-purine. Incorporates into DNA and inhibits synthesis. Used in the treatment of leukaemia. | 2-aminopurines | anticoronaviral agent; antimetabolite; antineoplastic agent |
| merbarone | merbarone: structure given in first source | ||
| quercetin | 7-hydroxyflavonol; pentahydroxyflavone | antibacterial agent; antineoplastic agent; antioxidant; Aurora kinase inhibitor; chelator; EC 1.10.99.2 [ribosyldihydronicotinamide dehydrogenase (quinone)] inhibitor; geroprotector; phytoestrogen; plant metabolite; protein kinase inhibitor; radical scavenger | |
| apigenin | Chamomile: Common name for several daisy-like plants (MATRICARIA; TRIPLEUROSPERMUM; ANTHEMIS; CHAMAEMELUM) native to Europe and Western Asia, now naturalized in the United States and Australia. | trihydroxyflavone | antineoplastic agent; metabolite |
| luteolin | 3'-hydroxyflavonoid; tetrahydroxyflavone | angiogenesis inhibitor; anti-inflammatory agent; antineoplastic agent; apoptosis inducer; c-Jun N-terminal kinase inhibitor; EC 2.3.1.85 (fatty acid synthase) inhibitor; immunomodulator; nephroprotective agent; plant metabolite; radical scavenger; vascular endothelial growth factor receptor antagonist | |
| quercitrin | alpha-L-rhamnoside; monosaccharide derivative; quercetin O-glycoside; tetrahydroxyflavone | antileishmanial agent; antioxidant; EC 1.1.1.184 [carbonyl reductase (NADPH)] inhibitor; EC 1.1.1.21 (aldehyde reductase) inhibitor; EC 1.14.18.1 (tyrosinase) inhibitor; plant metabolite | |
| coniferaldehyde | coniferaldehyde: from aqueous extract of Senra incana coniferyl aldehyde : A member of the class of cinnamaldehydes that is cinnamaldehyde substituted by a hydroxy group at position 4 and a methoxy group at position 3. | cinnamaldehydes; guaiacols; phenylpropanoid | antifungal agent; plant metabolite |
| daphnetin | hydroxycoumarin | ||
| quercetin 3-o-glucopyranoside | quercetin 3-O-beta-D-glucopyranoside : A quercetin O-glucoside that is quercetin with a beta-D-glucosyl residue attached at position 3. Isolated from Lepisorus contortus, it exhibits antineoplastic activityand has been found to decrease the rate of polymerization and sickling of red blood cells quercetin 3-O-glucopyranoside: structure in first source | beta-D-glucoside; monosaccharide derivative; quercetin O-glucoside; tetrahydroxyflavone | antineoplastic agent; antioxidant; antipruritic drug; bone density conservation agent; geroprotector; histamine antagonist; osteogenesis regulator; plant metabolite |
| rutin | Hydroxyethylrutoside: Monohydroxyethyl derivative of rutin. Peripheral circulation stimulant used in treatment of venous disorders. | disaccharide derivative; quercetin O-glucoside; rutinoside; tetrahydroxyflavone | antioxidant; metabolite |
| kaempferol | 7-hydroxyflavonol; flavonols; tetrahydroxyflavone | antibacterial agent; geroprotector; human blood serum metabolite; human urinary metabolite; human xenobiotic metabolite; plant metabolite | |
| genistein | 7-hydroxyisoflavones | antineoplastic agent; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor; geroprotector; human urinary metabolite; phytoestrogen; plant metabolite; tyrosine kinase inhibitor | |
| esculetin | esculetin : A hydroxycoumarin that is umbelliferone in which the hydrogen at position 6 is substituted by a hydroxy group. It is used in filters for absorption of ultraviolet light. esculetin: used in filters for absorption of ultraviolet light; structure | hydroxycoumarin | antioxidant; plant metabolite; ultraviolet filter |
| 7-hydroxycoumarin | 7-oxycoumarin: derivatives have anti-oxidant properties umbelliferone : A hydroxycoumarin that is coumarin substituted by a hydroxy group ay position 7. | hydroxycoumarin | fluorescent probe; food component; plant metabolite |
| axillarin | axillarin : A dimethoxyflavone that is the 3,6-dimethyl ether derivative of quercetagetin. axillarin: isolated from Pulicaria crispa or Filifdium sibiricum; structure given in first source | dimethoxyflavone; tetrahydroxyflavone | plant metabolite |
| baicalein | trihydroxyflavone | angiogenesis inhibitor; anti-inflammatory agent; antibacterial agent; anticoronaviral agent; antifungal agent; antineoplastic agent; antioxidant; apoptosis inducer; EC 1.13.11.31 (arachidonate 12-lipoxygenase) inhibitor; EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; EC 3.4.22.69 (SARS coronavirus main proteinase) inhibitor; EC 4.1.1.17 (ornithine decarboxylase) inhibitor; ferroptosis inhibitor; geroprotector; hormone antagonist; plant metabolite; prostaglandin antagonist; radical scavenger | |
| chrysin | chrysin : A dihydroxyflavone in which the two hydroxy groups are located at positions 5 and 7. | 7-hydroxyflavonol; dihydroxyflavone | anti-inflammatory agent; antineoplastic agent; antioxidant; EC 2.7.11.18 (myosin-light-chain kinase) inhibitor; hepatoprotective agent; plant metabolite |
| fisetin | 3'-hydroxyflavonoid; 7-hydroxyflavonol; tetrahydroxyflavone | anti-inflammatory agent; antioxidant; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor; geroprotector; metabolite; plant metabolite | |
| galangin | 5,7-dihydroxyflavonol: antimicrobial from the twigs of Populus nigra x Populus deltoides; structure in first source galangin : A 7-hydroxyflavonol with additional hydroxy groups at positions 3 and 5 respectively; a growth inhibitor of breast tumor cells. | 7-hydroxyflavonol; trihydroxyflavone | antimicrobial agent; EC 3.1.1.3 (triacylglycerol lipase) inhibitor; plant metabolite |
| 3-methylquercetin | isorhamnetin : A monomethoxyflavone that is quercetin in which the hydroxy group at position 3' is replaced by a methoxy group. | 7-hydroxyflavonol; monomethoxyflavone; tetrahydroxyflavone | anticoagulant; EC 1.14.18.1 (tyrosinase) inhibitor; metabolite |
| morin | morin : A pentahydroxyflavone that is 7-hydroxyflavonol bearing three additional hydroxy substituents at positions 2' 4' and 5. morin: a light yellowish pigment found in the wood of old fustic (Chlorophora tinctoria) | 7-hydroxyflavonol; pentahydroxyflavone | angiogenesis modulating agent; anti-inflammatory agent; antibacterial agent; antihypertensive agent; antineoplastic agent; antioxidant; EC 5.99.1.2 (DNA topoisomerase) inhibitor; hepatoprotective agent; metabolite; neuroprotective agent |
| myricetin | 7-hydroxyflavonol; hexahydroxyflavone | antineoplastic agent; antioxidant; cyclooxygenase 1 inhibitor; food component; geroprotector; hypoglycemic agent; plant metabolite | |
| santin | santin : A trimethoxyflavone that is flavone substituted by methoxy groups at positions 3, 6 and 4' and hydroxy groups at positions 5 and 7 respectively. santin: from Tanacetum microphyllum; structure given in first source | dihydroxyflavone; trimethoxyflavone | plant metabolite |
| daidzein | 7-hydroxyisoflavones | antineoplastic agent; EC 2.7.7.7 (DNA-directed DNA polymerase) inhibitor; EC 3.2.1.20 (alpha-glucosidase) inhibitor; phytoestrogen; plant metabolite | |
| 7-hydroxyflavone | 7-hydroxyflavone : A hydroxyflavonoid in which the flavone nucleus is substituted at position 7 by a hydroxy group. | hydroxyflavonoid | |
| veronicastroside | luteolin 7-O-neohesperidoside : A disaccharide derivative that is luteolin substituted by a 2-O-(alpha-L-rhamnopyranosyl)-beta-D-glucopyranosyl moiety at position 7 via a glycosidic linkage. veronicastroside: a flavonoid; second source Yak. Zas. shows same melting point, absorption, Rf and color tests for lonicerin (luteolin-7-rhamnoglucoside from Lonicera) and veronicastroside (luteolin-7-neohesperidoside from Trachelospermum); | disaccharide derivative; glycosyloxyflavone; neohesperidoside; trihydroxyflavone | antibacterial agent; metabolite |
| 3',4',7-trihydroxyisoflavone | 3',4',7-trihydroxyisoflavone : A 7-hydroxyisoflavone that is daidzein substituted by a hydroxy group at position 3'. 3',4',7-trihydroxyisoflavone: from Streptomyces sp OH-1049; structure given in first source | 7-hydroxyisoflavones | antineoplastic agent; EC 1.3.1.22 [3-oxo-5alpha-steroid 4-dehydrogenase (NADP(+))] inhibitor; metabolite |
| 6,7,4'-trihydroxyisoflavone | 4',6,7-trihydroxyisoflavone : A hydroxyisoflavone that is daidzein bearing an additional hydroxy substituent at position 6. 6,7,4'-trihydroxyisoflavone: structure in first source | 7-hydroxyisoflavones | anti-inflammatory agent; antimutagen; EC 1.14.18.1 (tyrosinase) inhibitor; metabolite; PPARalpha agonist; PPARgamma agonist |
| topiroxostat | FYX-051: xanthine oxidoreductase inhibitor | ||
| cycloolivil | cycloolivil: a free radical scavenger with platelet aggregation inhibitory activity; isolated from the olive tree | lignan | |
| glycitein | glycitein : A methoxyisoflavone that is isoflavone substituted by a methoxy group at position 6 and hydroxy groups at positions 7 and 4'. It has been isolated from the mycelia of the fungus Cordyceps sinensis. | 7-hydroxyisoflavone; methoxyisoflavone | fungal metabolite; phytoestrogen; plant metabolite |
| hypolaetin-8-glucoside | hypolaetin-8-glucoside: isolated from Sideritis mugronensis; structure given in first source | ||
| kaempferol-3-o-rutinoside | kaempferol-3-O-rutinoside: isolated from the methanolic extract of the whole plants of Diodia teres through repeated silica gel and Sephadex LH-20 column chromatography; structure in first source kaempferol-3-rutinoside : A kaempferol O-glucoside that is kaempferol attached to a rutinosyl [6-deoxy-alpha-L-mannosyl-(1->6)-beta-D-glucosyl] residue at position 3 via a glycosidic linkage. It has been isolated from the leaves of Solanum campaniforme. | disaccharide derivative; kaempferol O-glucoside; rutinoside; trihydroxyflavone | metabolite; plant metabolite; radical scavenger |
| 4-methylesculetin | 4-methylesculetin: has antiinflammatory activity 6,7-dihydroxy-4-methylcoumarin : A hydroxycoumarin that is 4-methylcuomarin which is substituted by hydroxy groups at positions 3 and 4. A hyaluronan synthesis inhibitor. It has also been used as a fluorescent sensor to monitor the consumption of a boronic acid in Suzuki coupling reactions; fluorescence is readily detectable by the naked eye using a standard 365 nm UV lamp. | hydroxycoumarin | anti-inflammatory agent; antioxidant; hyaluronan synthesis inhibitor |
| ombuine | ombuin : A dimethoxyflavone that is quercetin in which the hydroxy groups at positions 7 and 4' are replaced by methoxy groups. Isolated from Cyperus teneriffae, it exhibits anti-inflammatory activity. ombuine: from rhizome of Alpinia tonkinensis | dimethoxyflavone; flavonols; trihydroxyflavone | anti-inflammatory agent; plant metabolite |
| tiliroside | tiliroside: isolated from seeds of Eremocarpus setigerus | cinnamate ester; glycosyloxyflavone; monosaccharide derivative; trihydroxyflavone | plant metabolite |
| 2-amino-6-chloropurine | 6-chloroguanine : An organochlorine compound that is 7H-purin-2-amine substituted by a chloro group at position 6. 6-chloroguanine: an antimalarial that inhibits hypoxanthine-guanine-xanthine phosphoribosyltransferase; structure in first source | 2-aminopurines; organochlorine compound | |
| 4',7,8-trihydroxyisoflavone | 4',7,8-trihydroxyisoflavone: from Streptomyces sp OH-1049; structure given in first source | isoflavones | |
| broussochalcone a | broussochalcone A: RN given for (E)-isomer; inhibits neutrophil respiratory burst; structure in first source | ||
| 8-azanebularine | 8-azanebularine: structure in first source | ||
| fonsecinone a | fonsecinone A : A dimeric naphthopyran with formula C32H26O10, originally isolated from Aspergillus niger. fonsecinone A: isolated from Aspergillus aculeatus; structure in first source | aromatic ether; aromatic ketone; biaryl; cyclic ketone; naphtho-gamma-pyrone; polyphenol | antibacterial agent; Aspergillus metabolite |
| salvianolic acid c | salvianolic acid C: mTOR inhibitor from Salvia miltiorrhiza | benzofurans | |
| msh, 4-nle-7-phe-alpha- | polypeptide | dermatologic drug | |
| 4-hydroxycoumarin | 2-hydroxychromone: structure | hydroxycoumarin | |
| guanine | 2-aminopurines; oxopurine; purine nucleobase | algal metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite | |
| oxypurinol | alloxanthine : A pyrazolopyrimidine that is 4,5,6,7-tetrahydro-H-pyrazolo[3,4-d]pyrimidine substituted by oxo groups at positions 4 and 6. Oxypurinol: A xanthine oxidase inhibitor. | pyrazolopyrimidine | drug metabolite; EC 1.17.3.2 (xanthine oxidase) inhibitor |
| allopurinol | allopurinol : A bicyclic structure comprising a pyrazole ring fused to a hydroxy-substituted pyrimidine ring. Allopurinol: A XANTHINE OXIDASE inhibitor that decreases URIC ACID production. It also acts as an antimetabolite on some simpler organisms. | nucleobase analogue; organic heterobicyclic compound | antimetabolite; EC 1.17.3.2 (xanthine oxidase) inhibitor; gout suppressant; radical scavenger |
| bropirimine | pyrimidines | ||
| 9-phenylguanine |