| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
formaldehyde
paraform: polymerized formaldehyde; RN given refers to parent cpd; used in root canal therapy | 2 | 1 | 0 | aldehyde;
one-carbon compound | allergen;
carcinogenic agent;
disinfectant;
EC 3.5.1.4 (amidase) inhibitor;
environmental contaminant;
Escherichia coli metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
glycine
[no description available] | 2.1 | 1 | 0 | alpha-amino acid;
amino acid zwitterion;
proteinogenic amino acid;
serine family amino acid | EC 2.1.2.1 (glycine hydroxymethyltransferase) inhibitor;
fundamental metabolite;
hepatoprotective agent;
micronutrient;
neurotransmitter;
NMDA receptor agonist;
nutraceutical |
deferoxamine
Deferoxamine: Natural product isolated from Streptomyces pilosus. It forms iron complexes and is used as a chelating agent, particularly in the mesylate form.. desferrioxamine B : An acyclic desferrioxamine that is butanedioic acid in which one of the carboxy groups undergoes formal condensation with the primary amino group of N-(5-aminopentyl)-N-hydroxyacetamide and the second carboxy group undergoes formal condensation with the hydroxyamino group of N(1)-(5-aminopentyl)-N(1)-hydroxy-N(4)-[5-(hydroxyamino)pentyl]butanediamide. It is a siderophore native to Streptomyces pilosus biosynthesised by the DesABCD enzyme cluster as a high affinity Fe(III) chelator. | 2.45 | 2 | 0 | acyclic desferrioxamine | bacterial metabolite;
ferroptosis inhibitor;
iron chelator;
siderophore |
vitamin k 3
Vitamin K 3: A synthetic naphthoquinone without the isoprenoid side chain and biological activity, but can be converted to active vitamin K2, menaquinone, after alkylation in vivo. | 2.13 | 1 | 0 | 1,4-naphthoquinones;
vitamin K | angiogenesis inhibitor;
antineoplastic agent;
EC 3.4.22.69 (SARS coronavirus main proteinase) inhibitor;
human urinary metabolite;
nutraceutical |
protoporphyrin ix
protoporphyrin IX: RN given refers to parent cpd; structure in Merck Index, 9th ed, #7685. protoporphyrin : A cyclic tetrapyrrole that consists of porphyrin bearing four methyl substituents at positions 3, 8, 13 and 17, two vinyl substituents at positions 7 and 12 and two 2-carboxyethyl substituents at positions 2 and 18. The parent of the class of protoporphyrins. | 2.05 | 1 | 0 | | |
gliotoxin
Gliotoxin: A fungal toxin produced by various species of Trichoderma, Gladiocladium fimbriatum, Aspergillus fumigatus, and Penicillium. It is used as an immunosuppressive agent.. gliotoxin : A pyrazinoindole with a disulfide bridge spanning a dioxo-substituted pyrazine ring; mycotoxin produced by several species of fungi. | 7.55 | 2 | 0 | dipeptide;
organic disulfide;
organic heterotetracyclic compound;
pyrazinoindole | antifungal agent;
EC 2.5.1.58 (protein farnesyltransferase) inhibitor;
immunosuppressive agent;
mycotoxin;
proteasome inhibitor |
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. | 2 | 1 | 0 | non-proteinogenic L-alpha-amino acid;
ornithine | algal metabolite;
hepatoprotective agent;
mouse metabolite |
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. | 2.13 | 1 | 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 |
maleimide
[no description available] | 2.02 | 1 | 0 | dicarboximide;
maleimides | EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor |
paraquat
Paraquat: A poisonous dipyridilium compound used as contact herbicide. Contact with concentrated solutions causes irritation of the skin, cracking and shedding of the nails, and delayed healing of cuts and wounds.. paraquat : An organic cation that consists of 4,4'-bipyridine bearing two N-methyl substituents loctated at the 1- and 1'-positions. | 2.01 | 1 | 0 | organic cation | geroprotector;
herbicide |
chromium
Chromium: A trace element that plays a role in glucose metabolism. It has the atomic symbol Cr, atomic number 24, and atomic weight 52. According to the Fourth Annual Report on Carcinogens (NTP85-002,1985), chromium and some of its compounds have been listed as known carcinogens.. chromium ion : An chromium atom having a net electric charge.. chromium atom : A chromium group element atom that has atomic number 24. | 1.96 | 1 | 0 | chromium group element atom;
metal allergen | micronutrient |
ferrous chloride
ferrous chloride: induces convulsions; RN given refers to parent cpd | 2.21 | 1 | 0 | iron coordination entity | |
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. | 7.02 | 1 | 0 | | |
fusigen
fusigen: a siderochrome found in Aspergillus; structure | 2.79 | 3 | 0 | | |
acetyl coenzyme a
Acetyl Coenzyme A: Acetyl CoA participates in the biosynthesis of fatty acids and sterols, in the oxidation of fatty acids and in the metabolism of many amino acids. It also acts as a biological acetylating agent. | 2.06 | 1 | 0 | acyl-CoA | acyl donor;
coenzyme;
effector;
fundamental metabolite |
albomycin
albomycin: iron containing antibiotic. albomycin : A mixture of iron(III) hydroxamate antibiotics produced by various Streptomyces species (e.g. Streptomyces subtropicus) and consisting of iron(III) complexed to pentapeptide trihydroxamate siderophores. | 2 | 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. | 2.13 | 1 | 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. | 2.43 | 2 | 0 | cysteinium | fundamental metabolite |
oxalates
Oxalates: Derivatives of OXALIC ACID. Included under this heading are a broad variety of acid forms, salts, esters, and amides that are derived from the ethanedioic acid structure. | 2.03 | 1 | 0 | | |
n,n',n''-triacetylfusarinine c
N,N',N''-triacetylfusarinine C: from Mycelia sterilia; ferric ionophore for this organism; structure given in first source | 8.87 | 11 | 0 | iron coordination entity;
organonitrogen compound | |
oligonucleotides
[no description available] | 2.01 | 1 | 0 | | |
n(alpha)-acetylfusarinines
N(alpha)-acetylfusarinines: group of naturally occurring hydroxamic acids produced by unidentified species of Penicillium when grown on iron deficient media; monohydroxamate more active than trimer; structure. desferricoprogen : A member of the class of 2,5-diketopiperazines that is 2,5-diketopiperazine which is substituted at positions 3 and 6 by 3-(hydroxyamino)propyl groups in which the nitrogens have been acylated by (2E)-5-hydroxy-3-methylpent-2-enoyl groups. The substituent at position 3 has been further modified by having its terminal hydroxy group esterified by condensation with the carboxy group of N(2)-acetyl-N(5)-hydroxy-L-ornithine in which the N(5) nitrogen has been acylated by a (2E)-5-hydroxy-3-methylpent-2-enoyl group. | 1.96 | 1 | 0 | 2,5-diketopiperazines;
acetamides;
carboxylic ester;
homoallylic alcohol;
hydroxamic acid;
primary alcohol | 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. | 2.5 | 2 | 0 | | |
tenellin
tenellin: yellow pigments found in fungi of the genus Beauveria; structure | 2.11 | 1 | 0 | | |
coprogen
coprogen: siderochrome found in Penicillium & Neurospora; structure. coprogen : An iron(III) hydroxamate isolated from fungi and bacteria including Penicillium species and Neurospora crassa. It is a growth factor for coprophilous fungi. | 3.09 | 5 | 0 | Fe(III)-complexed hydroxamate siderophore;
homoallylic alcohol | Penicillium metabolite |