Substance | Relationship Strength | Studies | Trials | Classes | Roles |
phosphoserine Phosphoserine: The phosphoric acid ester of serine. | 2.02 | 1 | 0 | non-proteinogenic alpha-amino acid; O-phosphoamino acid; serine derivative | human metabolite |
adenine [no description available] | 2.89 | 4 | 0 | 6-aminopurines; purine nucleobase | Daphnia magna metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
arsenic acid arsenic acid: RN given refers to orthoarsenic acid(H3AsO4); see also sodium arsenate. arsenic acid : An arsenic oxoacid comprising one oxo group and three hydroxy groups attached to a central arsenic atom. | 1.99 | 1 | 0 | arsenic oxoacid | Escherichia coli metabolite |
cytosine [no description available] | 2.01 | 1 | 0 | aminopyrimidine; pyrimidine nucleobase; pyrimidone | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
3,3-dimethylallyl pyrophosphate 3,3-dimethylallyl pyrophosphate: isomeric with isopentenyl pyrophosphate. prenyl diphosphate : A prenol phosphate that is a phosphoantigen comprising the O-pyrophosphate of prenol. | 1.99 | 1 | 0 | prenol phosphate | epitope; Escherichia coli metabolite; mouse metabolite; phosphoantigen |
glycerol Moon: The natural satellite of the planet Earth. It includes the lunar cycles or phases, the lunar month, lunar landscapes, geography, and soil. | 1.98 | 1 | 0 | alditol; triol | algal metabolite; detergent; Escherichia coli metabolite; geroprotector; human metabolite; mouse metabolite; osmolyte; Saccharomyces cerevisiae metabolite; solvent |
orotic acid Orotic Acid: An intermediate product in PYRIMIDINE synthesis which plays a role in chemical conversions between DIHYDROFOLATE and TETRAHYDROFOLATE.. orotic acid : A pyrimidinemonocarboxylic acid that is uracil bearing a carboxy substituent at position C-6. | 1.96 | 1 | 0 | pyrimidinemonocarboxylic acid | Escherichia coli metabolite; metabolite; mouse metabolite |
purine 1H-purine : The 1H-tautomer of purine.. 3H-purine : The 3H-tautomer of purine.. 9H-purine : The 9H-tautomer of purine.. 7H-purine : The 7H-tautomer of purine. | 1.99 | 1 | 0 | purine | |
uracil 2,4-dihydroxypyrimidine: a urinary biomarker for bipolar disorder | 8.28 | 6 | 0 | pyrimidine nucleobase; pyrimidone | allergen; Daphnia magna metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; prodrug; Saccharomyces cerevisiae metabolite |
isopentenyl pyrophosphate isopentenyl pyrophosphate: substrate for isopentenyl pyrophosphate isomerase; RN given refers to unlabeled cpd; a nonpeptide mycobacterial antigen that stimulates gamma delta T cells. isopentenyl diphosphate : A prenol phosphate comprising 3-methylbut-3-en-1-ol having an O-diphosphate substituent. | 2.41 | 2 | 0 | prenol phosphate | antigen; antioxidant; epitope; Escherichia coli metabolite; mouse metabolite; phosphoantigen |
fluorouracil Fluorouracil: A pyrimidine analog that is an antineoplastic antimetabolite. It interferes with DNA synthesis by blocking the THYMIDYLATE SYNTHETASE conversion of deoxyuridylic acid to thymidylic acid.. 5-fluorouracil : A nucleobase analogue that is uracil in which the hydrogen at position 5 is replaced by fluorine. It is an antineoplastic agent which acts as an antimetabolite - following conversion to the active deoxynucleotide, it inhibits DNA synthesis (by blocking the conversion of deoxyuridylic acid to thymidylic acid by the cellular enzyme thymidylate synthetase) and so slows tumour growth. | 8.22 | 6 | 0 | nucleobase analogue; organofluorine compound | antimetabolite; antineoplastic agent; environmental contaminant; immunosuppressive agent; radiosensitizing agent; xenobiotic |
thymidine [no description available] | 2.25 | 1 | 0 | pyrimidine 2'-deoxyribonucleoside | Escherichia coli metabolite; human metabolite; metabolite; mouse metabolite |
adenosine diphosphate Adenosine Diphosphate: Adenosine 5'-(trihydrogen diphosphate). An adenine nucleotide containing two phosphate groups esterified to the sugar moiety at the 5'-position. | 2.9 | 4 | 0 | adenosine 5'-phosphate; purine ribonucleoside 5'-diphosphate | fundamental metabolite; human metabolite |
uridine [no description available] | 8.24 | 6 | 0 | uridines | drug metabolite; fundamental metabolite; human metabolite |
edetic acid Edetic Acid: A chelating agent that sequesters a variety of polyvalent cations such as CALCIUM. It is used in pharmaceutical manufacturing and as a food additive. | 1.96 | 1 | 0 | ethylenediamine derivative; polyamino carboxylic acid; tetracarboxylic acid | anticoagulant; antidote; chelator; copper chelator; geroprotector |
adenosine monophosphate Adenosine Monophosphate: Adenine nucleotide containing one phosphate group esterified to the sugar moiety in the 2'-, 3'-, or 5'-position. | 2.39 | 2 | 0 | adenosine 5'-phosphate; purine ribonucleoside 5'-monophosphate | adenosine A1 receptor agonist; cofactor; EC 3.1.3.1 (alkaline phosphatase) inhibitor; EC 3.1.3.11 (fructose-bisphosphatase) inhibitor; fundamental metabolite; micronutrient; nutraceutical |
uridine triphosphate Uridine Triphosphate: Uridine 5'-(tetrahydrogen triphosphate). A uracil nucleotide containing three phosphate groups esterified to the sugar moiety. | 2.4 | 2 | 0 | pyrimidine ribonucleoside 5'-triphosphate; uridine 5'-phosphate | Escherichia coli metabolite; mouse metabolite |
cytidine triphosphate Cytidine Triphosphate: Cytidine 5'-(tetrahydrogen triphosphate). A cytosine nucleotide containing three phosphate groups esterified to the sugar moiety. | 2.03 | 1 | 0 | cytidine 5'-phosphate; pyrimidine ribonucleoside 5'-triphosphate | Escherichia coli metabolite; 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. | 2.11 | 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 |
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. | 2.02 | 1 | 0 | arginine; glutamine family amino acid; L-alpha-amino acid; proteinogenic amino acid | biomarker; Escherichia coli metabolite; micronutrient; mouse metabolite; nutraceutical |
phosphoribosyl pyrophosphate Phosphoribosyl Pyrophosphate: The key substance in the biosynthesis of histidine, tryptophan, and purine and pyrimidine nucleotides.. 5-phosphoribosyl diphosphate : A ribose diphosphate carrying an additional phosphate group at position 5.. 5-O-phosphono-alpha-D-ribofuranosyl diphosphate : A derivative of alpha-D-ribose having a phosphate group at the 5-position and a diphosphate at the 1-position. | 5.03 | 13 | 0 | 5-O-phosphono-D-ribofuranosyl diphosphate | Escherichia coli metabolite; human metabolite; mouse metabolite; plant metabolite |
fluorodeoxyuridylate Fluorodeoxyuridylate: 5-Fluoro-2'-deoxyuridylate. An inhibitor of thymidylate synthetase. Formed from 5-fluorouracil or 5-fluorodeoxyuridine. | 1.97 | 1 | 0 | pyrimidine 2'-deoxyribonucleoside 5'-monophosphate | |
pyrimidine pyrimidine : The parent compound of the pyrimidines; a diazine having the two nitrogens at the 1- and 3-positions. | 1.99 | 1 | 0 | diazine; pyrimidines | Daphnia magna metabolite |
aminoimidazole carboxamide 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.. 5-aminoimidazole-4-carboxamide : An aminoimidazole in which the amino group is at C-5 with a carboxamido group at C-4. | 1.97 | 1 | 0 | aminoimidazole; monocarboxylic acid amide | mouse metabolite |
deoxyuridine [no description available] | 7.68 | 3 | 0 | pyrimidine 2'-deoxyribonucleoside | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
2'-deoxyadenosine triphosphate 2'-deoxyadenosine triphosphate: RN given refers to unlabeled parent cpd | 1.96 | 1 | 0 | 2'-deoxyadenosine 5'-phosphate; purine 2'-deoxyribonucleoside 5'-triphosphate | Escherichia coli metabolite; mouse metabolite |
acadesine [no description available] | 1.97 | 1 | 0 | 1-ribosylimidazolecarboxamide; aminoimidazole; nucleoside analogue | antineoplastic agent; platelet aggregation inhibitor |
deuterium Deuterium: The stable isotope of hydrogen. It has one neutron and one proton in the nucleus. | 2.11 | 1 | 0 | dihydrogen | |
adenosine quinquefolan B: isolated from roots of Panax quinquefolium L.; RN not in Chemline 10/87; RN from Toxlit | 2.89 | 4 | 0 | adenosines; purines D-ribonucleoside | analgesic; anti-arrhythmia drug; fundamental metabolite; human metabolite; vasodilator agent |
xanthosine [no description available] | 1.99 | 1 | 0 | purines D-ribonucleoside; xanthosines | Escherichia coli metabolite; human metabolite; mouse metabolite |
glucosamine 6-o-sulfate beta-D-glucosamine 6-sulfate : A 6-O-sulfo-D-glucosamine in which the anomeric centre has beta-configuration. | 2.02 | 1 | 0 | 6-O-sulfo-D-glucosamine | |
ribose-5-phosphate ribose-5-phosphate: RN given refers to cpd without isomeric designation | 4.2 | 5 | 0 | D-ribose 5-phosphate | |
glucose-1,6-bisphosphate alpha-D-glucose 1,6-bisphosphate : A D-glucose 1,6-bisphosphate in which both phosphate groups are monophosphates. | 2.13 | 1 | 0 | D-glucose 1,6-bisphosphate | Escherichia coli metabolite; human metabolite |
5-fluorouridine 5'-phosphate 5-fluorouridine 5'-monophosphate : A pyrimidine ribonucleoside 5'-monophosphate having 5-fluorouracil as the pyrimidine component. | 1.97 | 1 | 0 | organofluorine compound; pyrimidine ribonucleoside 5'-monophosphate | drug metabolite |
sedoheptulose 7-phosphate sedoheptulose 7-phosphate : A ketoheptose phosphate consisting of sedoheptulose having a phosphate group at the 7-position. It is an intermediate metabolite in the pentose phosphate pathway. | 1.96 | 1 | 0 | ketoheptose phosphate; sedoheptulose derivative | Escherichia coli metabolite; human metabolite; mouse metabolite |
glucosamine D-glucosamine : An amino sugar whose structure comprises D-glucose having an amino substituent at position 2.. 2-amino-2-deoxy-D-glucopyranose : A D-glucosamine whose structure comprises D-glucopyranose having an amino substituent at position 2. | 2.02 | 1 | 0 | D-glucosamine | Escherichia coli metabolite; geroprotector; mouse metabolite |
glucosamine 6-phosphate glucosamine 6-phosphate: RN given refers to parent cpd | 2.02 | 1 | 0 | 2-amino-2-deoxy-D-glucopyranose 6-phosphate | human metabolite; Saccharomyces cerevisiae metabolite |
xylose 1-phosphate xylose 1-phosphate: RN refers to (D)-isomer. alpha-D-xylose 1-phosphate : A xylose phosphate that is alpha-D-xylose carrying a phosphate group at position 1. | 2.68 | 3 | 0 | xylose phosphate | |
pyrophosphate Diphosphates: Inorganic salts of phosphoric acid that contain two phosphate groups. | 2.36 | 2 | 0 | diphosphate ion | |
ribose-1,5-bisphosphate ribose-1,5-bisphosphate: RN given for (D)-isomer. D-ribose 1,5-bisphosphate : A ribose bisphosphate that consists of D-ribose having two monophosphate groups at the 1- and 5-positions. | 1.99 | 1 | 0 | ribose bisphosphate | |
phosphothreonine Phosphothreonine: The phosphoric acid ester of threonine. Used as an identifier in the analysis of peptides, proteins, and enzymes.. O-phospho-L-threonine : A L-threonine derivative phosphorylated at the side-chain hydroxy function. | 2.02 | 1 | 0 | L-threonine derivative; non-proteinogenic L-alpha-amino acid; O-phosphoamino acid | Escherichia coli metabolite |
bromohydrin pyrophosphate bromohydrin pyrophosphate: stimulates human gammadelta T cells; structure in first osurce. bromohydrin pyrophosphate : An alkyl diphosphate having bromohydrin as the alkyl group. | 2.01 | 1 | 0 | alkyl diphosphate; organobromine compound | phosphoantigen |
(e)-4-hydroxy-3-methylbut-2-enyl diphosphate (E)-4-hydroxy-3-methylbut-2-enyl diphosphate: structure in first source. (2E)-4-hydroxy-3-methylbut-2-en-1-yl diphosphate : A prenol phosphate comprising (2E)-4-hydroxy-3-methylbut-2-en-1-ol having an O-diphosphate substituent. | 2.01 | 1 | 0 | prenol phosphate | epitope; Escherichia coli metabolite; phosphoantigen |
2-deoxyribose 1-phosphate, (alpha-d-erythro)-isomer [no description available] | 3.59 | 9 | 0 | 2-deoxy-D-ribofuranose 1-phosphate | |
5-fluorouridine 5'-triphosphate [no description available] | 1.97 | 1 | 0 | | |
ribose ribopyranose : The pyranose form of ribose. | 4.16 | 5 | 0 | D-ribose; ribopyranose | |
calcimycin Calcimycin: An ionophorous, polyether antibiotic from Streptomyces chartreusensis. It binds and transports CALCIUM and other divalent cations across membranes and uncouples oxidative phosphorylation while inhibiting ATPase of rat liver mitochondria. The substance is used mostly as a biochemical tool to study the role of divalent cations in various biological systems. | 2.02 | 1 | 0 | benzoxazole | |
acid phosphatase Acid Phosphatase: An enzyme that catalyzes the conversion of an orthophosphoric monoester and water to an alcohol and orthophosphate. EC 3.1.3.2. | 1.97 | 1 | 0 | | |
alendronate sodium [no description available] | 2.01 | 1 | 0 | | |
acyclovir Acyclovir: A GUANOSINE analog that acts as an antimetabolite. Viruses are especially susceptible. Used especially against herpes.. acyclovir : An oxopurine that is guanine substituted by a (2-hydroxyethoxy)methyl substituent at position 9. Used in the treatment of viral infections. | 2.39 | 2 | 0 | 2-aminopurines; oxopurine | antimetabolite; antiviral drug |
deoxyguanosine [no description available] | 7.41 | 1 | 0 | purine 2'-deoxyribonucleoside; purines 2'-deoxy-D-ribonucleoside | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
guanine [no description available] | 2.39 | 2 | 0 | 2-aminopurines; oxopurine; purine nucleobase | algal metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
guanosine ribonucleoside : Any nucleoside where the sugar component is D-ribose. | 8.52 | 8 | 0 | guanosines; purines D-ribonucleoside | fundamental metabolite |
hypoxanthine [no description available] | 3.25 | 6 | 0 | nucleobase analogue; oxopurine; purine nucleobase | fundamental metabolite |
inosinic acid Inosine Monophosphate: Inosine 5'-Monophosphate. A purine nucleotide which has hypoxanthine as the base and one phosphate group esterified to the sugar moiety. | 2.37 | 2 | 0 | inosine phosphate; purine ribonucleoside 5'-monophosphate | Escherichia coli metabolite; human metabolite; mouse metabolite |
inosine [no description available] | 8.69 | 10 | 0 | inosines; purines D-ribonucleoside | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
allopurinol Allopurinol: A XANTHINE OXIDASE inhibitor that decreases URIC ACID production. It also acts as an antimetabolite on some simpler organisms.. allopurinol : A bicyclic structure comprising a pyrazole ring fused to a hydroxy-substituted pyrimidine ring. | 1.96 | 1 | 0 | nucleobase analogue; organic heterobicyclic compound | antimetabolite; EC 1.17.3.2 (xanthine oxidase) inhibitor; gout suppressant; radical scavenger |
azaguanine Azaguanine: One of the early purine analogs showing antineoplastic activity. It functions as an antimetabolite and is easily incorporated into ribonucleic acids.. 8-azaguanine : A triazolopyrimidine that consists of 3,6-dihydro-7H-[1,2,3]triazolo[4,5-d]pyrimidine bearing amino and oxo substituents at positions 5 and 7 respectively. | 1.97 | 1 | 0 | nucleobase analogue; triazolopyrimidines | antimetabolite; antineoplastic agent; EC 2.4.2.1 (purine-nucleoside phosphorylase) inhibitor |
7-deazainosine [no description available] | 1.99 | 1 | 0 | | |
7-methylguanosine 7-methylguanosine : A positively charged methylguanosine in which a single methyl substituent is located at position 7. | 7.41 | 1 | 0 | methylguanosine; organic cation | metabolite |
formycin b formycin B: RN given refers to (beta-D)-isomer | 1.99 | 1 | 0 | formycin | |
formycins Formycins: Pyrazolopyrimidine ribonucleosides isolated from Nocardia interforma. They are antineoplastic antibiotics with cytostatic properties. | 1.99 | 1 | 0 | | |
9-deazainosine [no description available] | 1.99 | 1 | 0 | | |
7-methyl-2-deoxyguanosine 7-methyl-2-deoxyguanosine: structure given in first source | 2.41 | 1 | 0 | | |