An oxoacid containing three carboxy groups.
| Member | Definition | Role |
|---|
| 2-methylcitric acid | | 2-methylcitric acid |
| 2'-deoxymugineic acid | | 2'-deoxymugineic acid |
| aconitic acid | A tricarboxylic acid that is prop-1-ene substituted by carboxy groups at positions 1, 2 and 3. | aconitic acid |
| acromelic acid a | A pyrrolidinecarboxylic acid that is siolated from the poisonous mushroom Clitocybe amoenolens. | acromelic acid A |
| aurintricarboxylic acid | A member of the class of quinomethanes that is 3-methylidene-6-oxocyclohexa-1,4-diene-1-carboxylic acid in which the methylidene hydrogens are replaced by 4-carboxy-3-hydroxyphenyl groups. The trisodium salt is the biological stain 'chrome violet CG' while the triammonium salt is 'aluminon'. | aurintricarboxylic acid |
| bongkrekic acid | A tricarboxylic acid that is docosa-2,4,8,10,14,18,20-heptaenedioic acid substituted at positions 2 ,5 and 17 by methyl groups, at positions 6 by a methoxy group and at position 20 by a carboxymethyl group. It is produced by the bacterium Burkholderia gladioli and implicated in outbreaks of food-borne illness involving coconut and corn-based products in Indonesia and China. | bongkrekic acid |
| citric acid, anhydrous | A tricarboxylic acid that is propane-1,2,3-tricarboxylic acid bearing a hydroxy substituent at position 2. It is an important metabolite in the pathway of all aerobic organisms. | citric acid |
| domoic acid | An L-proline derivative that is L-proline substituted by a carboxymethyl group at position 3 and a 6-carboxyhepta-2,4-dien-2-yl group at position 4. It is produced by the diatomic algal Pseudo-nitzschia. It is an analogue of kainic acid and a neurotoxin which causes amnesic shellfish poisoning (ASP). | domoic acid |
| glycyrrhizic acid | A triterpenoid saponin that is the glucosiduronide derivative of 3beta-hydroxy-11-oxoolean-12-en-30-oic acid. | glycyrrhizinic acid |
| homocitric acid | | homocitric acid |
| homoisocitric acid | | homoisocitric acid |
| isocitric acid | A tricarboxylic acid that is propan-1-ol with a hydrogen at each of the 3 carbon positions replaced by a carboxy group. | isocitric acid |
| nitrilotriacetic acid | | nitrilotriacetic acid |
| nopaline | An amino acid opine resulting from the formal reductive condensation of the amino group of L-arginine with the keto group of 2-oxopentanedioic acid. | D-nopaline |
| pqq cofactor | A pyrroloquinoline having oxo groups at the 4- and 5-positions and carboxy groups at the 2-, 7- and 9-positions. | pyrroloquinoline quinone |
| s-(1,2-dicarboxyethyl)cysteine | An L-cysteine thioether that is L-cysteine in which the hydrogen of the thiol group has been replaced by a 1,2-dicarboxyethyl group. It is a chemical modification which occurs in tissue proteins and formed by a Michael addition of cysteine to fumaric acid. | S-(2-succinyl)-L-cysteine |
| squalestatin 1 | A polyketide isolated from fungi that is a potent inhibitor of fungal and mammalian squalene synthase. | zaragozic acid A |
| staphyloferrin b | A siderophore composed from L-2,3-diaminopropionic acid, citric acid, 1,2-diaminoethane and alpha-ketoglutaric acid units. | staphyloferrin B |
| threo-alpha-methylisocitrate | A tricarboxylic acid that is butan-2-ol in which a hydrogen from each of positions 2, 3, and 4 has been replaced by carboxy groups. | 3-hydroxybutane-1,2,3-tricarboxylic acid |
| trachyspic acid | An oxaspiro compound that is 1,6-dioxaspiro[4.4]non-2-en-4-one substituted by a carboxymethyl group at position 2, carboxy groups at positions 2 and 3, an oxo group at position 9 and a nonyl group at position 8. Isolated from the culture broth of the fungus Talaromyces trachyspermus, it exhibits inhibitory activity against the enzyme heparanase. | trachyspic acid |
| tricarballylic acid | A tricarboxylic acid that is glutaric acid in which one of the beta-hydrogens is substituted by a carboxy group. | tricarballylic acid |
| trimellitic acid | Benzene substituted at the 1,2, and 4 positions by carboxy groups. | trimellitic acid |
| trimesic acid | A tricarboxylic acid that consists of benzene substituted by carboxy groups at positions 1, 3 and 5. | benzene-1,3,5-tricarboxylic acid |
| tris(2-carboxyethyl)phosphine | A tertiary phosphine in which phosphane is substituted with three 2-carboxyethyl groups. It is a commonly used reducing agent. | TCEP |
| vibrioferrin | A tricarboxylic acid that is citric acid in which the pro-R carboxy group has been esterified with the primary hydroxy group of 2-hydroxy-1-{(2S)-1-[(2-hydroxyethyl)amino]-1-oxopropan-2-yl}-5-oxoproline. It is a siderophore isolated from bacteria closely associated or symbiotic with toxic, bloom-forming dinoflagellates. | vibrioferrin |
| zaragozic acid c | A polyketide isolated from fungi that is a potent inhibitor of fungal and mammalian squalene synthase. | zaragozic acid C |