Substance | Relationship Strength | Studies | Trials | Classes | Roles |
beta-alanine [no description available] | 2.05 | 1 | 0 | amino acid zwitterion; beta-amino acid | agonist; fundamental metabolite; human metabolite; inhibitor; neurotransmitter |
citric acid, anhydrous Citric Acid: A key intermediate in metabolism. It is an acid compound found in citrus fruits. The salts of citric acid (citrates) can be used as anticoagulants due to their calcium chelating ability.. citric acid : 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. | 3.81 | 3 | 0 | tricarboxylic acid | antimicrobial agent; chelator; food acidity regulator; fundamental metabolite |
2,3-diaminopropionic acid 3-aminoalanine : A diamino acid that is alanine in which one of the hydrogens of the methyl group is replaced by an amino group. | 2.05 | 1 | 0 | alanine derivative; amino acid zwitterion; beta-amino acid; diamino acid; non-proteinogenic alpha-amino acid | Escherichia coli metabolite |
picolinic acid picolinic acid: iron-chelating agent that inhibits DNA synthesis; may interfere with iron-dependent production of stable free organic radical which is essential for ribonucleotide reductase formation of deoxyribonucleotides; RN given refers to parent cpd; structure in Merck Index, 9th ed, #7206. picolinic acid : A pyridinemonocarboxylic acid in which the carboxy group is located at position 2. It is an intermediate in the metabolism of tryptophan. | 1.98 | 1 | 0 | pyridinemonocarboxylic acid | human metabolite; MALDI matrix material |
ethylenediamine ethylenediamine: RN given refers to parent cpd; edamine is the recommended contraction for the ethylenediamine radical. ethylenediamine : An alkane-alpha,omega-diamine in which the alkane is ethane. | 2.05 | 1 | 0 | alkane-alpha,omega-diamine | GABA agonist |
ornithine Ornithine: An amino acid produced in the urea cycle by the splitting off of urea from arginine.. ornithine : An alpha-amino acid that is pentanoic acid bearing two amino substituents at positions 2 and 5. | 6.14 | 23 | 0 | non-proteinogenic L-alpha-amino acid; ornithine | algal metabolite; hepatoprotective agent; mouse metabolite |
arginine Arginine: An essential amino acid that is physiologically active in the L-form.. arginine : An alpha-amino acid that is glycine in which the alpha-is substituted by a 3-guanidinopropyl group. | 7.05 | 1 | 0 | arginine; glutamine family amino acid; L-alpha-amino acid; proteinogenic amino acid | biomarker; Escherichia coli metabolite; micronutrient; mouse metabolite; nutraceutical |
transferrin Transferrin: An iron-binding beta1-globulin that is synthesized in the LIVER and secreted into the blood. It plays a central role in the transport of IRON throughout the circulation. A variety of transferrin isoforms exist in humans, including some that are considered markers for specific disease states. | 7.06 | 1 | 0 | | |
enterobactin [no description available] | 2.07 | 1 | 0 | catechols; crown compound; macrotriolide; polyphenol | bacterial metabolite; siderophore |
beta-lipotropin, gln(9)- corynebactin: a triscatechol derivative of a cyclic triserine lactone; siderophore synthesized by Corynebacterium diphtheriae. corynebactin : A crown compound that is enterobactin in which the pro-R hydrogens at positions 2, 6 and 10 of the trilactone backbone are replaced by methyl groups, and in which a glycine spacer separates the trilactone backbone from each of the catecholamide arms. It is the endogenous siderophore of Bacillus subtilis, used for the acquisition of iron. | 2.07 | 1 | 0 | catechols; crown compound; macrocyclic lactone | bacterial metabolite; metabolite |
rhizoferrin rhizoferrin: a ferric polycarboxylate; a complexone-type siderophore; synthesized and secreted by Rhizopus microsporus | 3.82 | 3 | 0 | | |
ferrous citrate ferrous citrate: iron fortificant | 3.1 | 1 | 0 | | |
staphyloferrin b staphyloferrin B: structure given in first source; isolated from Staphylococcus hyicus. staphyloferrin B : A siderophore composed from L-2,3-diaminopropionic acid, citric acid, 1,2-diaminoethane and alpha-ketoglutaric acid units. | 4.94 | 11 | 0 | oxo carboxylic acid; tertiary alcohol; tricarboxylic acid amide; tricarboxylic acid | bacterial metabolite; siderophore |
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. | 2.11 | 1 | 0 | | |