Substance | Relationship Strength | Studies | Trials | Classes | Roles |
aminolevulinic acid Aminolevulinic Acid: A compound produced from succinyl-CoA and GLYCINE as an intermediate in heme synthesis. It is used as a PHOTOCHEMOTHERAPY for actinic KERATOSIS.. 5-aminolevulinic acid : The simplest delta-amino acid in which the hydrogens at the gamma position are replaced by an oxo group. It is metabolised to protoporphyrin IX, a photoactive compound which accumulates in the skin. Used (in the form of the hydrochloride salt)in combination with blue light illumination for the treatment of minimally to moderately thick actinic keratosis of the face or scalp. | 2 | 1 | 0 | 4-oxo monocarboxylic acid; amino acid zwitterion; delta-amino acid | antineoplastic agent; dermatologic drug; Escherichia coli metabolite; human metabolite; mouse metabolite; photosensitizing agent; plant metabolite; prodrug; Saccharomyces cerevisiae metabolite |
acetic acid Acetic Acid: Product of the oxidation of ethanol and of the destructive distillation of wood. It is used locally, occasionally internally, as a counterirritant and also as a reagent. (Stedman, 26th ed). acetic acid : A simple monocarboxylic acid containing two carbons. | 2.02 | 1 | 0 | monocarboxylic acid | antimicrobial food preservative; Daphnia magna metabolite; food acidity regulator; protic solvent |
chlorine chloride : A halide anion formed when chlorine picks up an electron to form an an anion. | 2 | 1 | 0 | halide anion; monoatomic chlorine | cofactor; Escherichia coli metabolite; human metabolite |
hippuric acid hippuric acid: RN given refers to parent cpd; structure in Merck Index, 9th ed, #4591. N-benzoylglycine : An N-acylglycine in which the acyl group is specified as benzoyl. | 1.97 | 1 | 0 | N-acylglycine | human blood serum metabolite; uremic toxin |
alanylalanine alanylalanine: RN given refers to (DL)-isomer | 1.97 | 1 | 0 | dipeptide | |
alanine [no description available] | 1.97 | 1 | 0 | alpha-amino acid; amino acid zwitterion | fundamental metabolite |
dimethyl sulfoxide Dimethyl Sulfoxide: A highly polar organic liquid, that is used widely as a chemical solvent. Because of its ability to penetrate biological membranes, it is used as a vehicle for topical application of pharmaceuticals. It is also used to protect tissue during CRYOPRESERVATION. Dimethyl sulfoxide shows a range of pharmacological activity including analgesia and anti-inflammation.. dimethyl sulfoxide : A 2-carbon sulfoxide in which the sulfur atom has two methyl substituents. | 1.96 | 1 | 0 | sulfoxide; volatile organic compound | alkylating agent; antidote; Escherichia coli metabolite; geroprotector; MRI contrast agent; non-narcotic analgesic; polar aprotic solvent; radical scavenger |
glycine [no description available] | 5.18 | 6 | 2 | 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 |
glycerol Moon: The natural satellite of the planet Earth. It includes the lunar cycles or phases, the lunar month, lunar landscapes, geography, and soil. | 2.06 | 1 | 0 | alditol; triol | algal metabolite; detergent; Escherichia coli metabolite; geroprotector; human metabolite; mouse metabolite; osmolyte; Saccharomyces cerevisiae metabolite; solvent |
methanol Methanol: A colorless, flammable liquid used in the manufacture of FORMALDEHYDE and ACETIC ACID, in chemical synthesis, antifreeze, and as a solvent. Ingestion of methanol is toxic and may cause blindness.. primary alcohol : A primary alcohol is a compound in which a hydroxy group, -OH, is attached to a saturated carbon atom which has either three hydrogen atoms attached to it or only one other carbon atom and two hydrogen atoms attached to it.. methanol : The primary alcohol that is the simplest aliphatic alcohol, comprising a methyl and an alcohol group. | 2.02 | 1 | 0 | alkyl alcohol; one-carbon compound; primary alcohol; volatile organic compound | amphiprotic solvent; Escherichia coli metabolite; fuel; human metabolite; mouse metabolite; Mycoplasma genitalium metabolite |
nitrous oxide Nitrous Oxide: Nitrogen oxide (N2O). A colorless, odorless gas that is used as an anesthetic and analgesic. High concentrations cause a narcotic effect and may replace oxygen, causing death by asphyxia. It is also used as a food aerosol in the preparation of whipping cream.. dinitrogen oxide : A nitrogen oxide consisting of linear unsymmetrical molecules with formula N2O. While it is the most used gaseous anaesthetic in the world, its major commercial use, due to its solubility under pressure in vegetable fats combined with its non-toxicity in low concentrations, is as an aerosol spray propellant and aerating agent for canisters of 'whipped' cream. | 1.96 | 1 | 0 | gas molecular entity; nitrogen oxide | analgesic; bacterial metabolite; food packaging gas; food propellant; general anaesthetic; greenhouse gas; inhalation anaesthetic; NMDA receptor antagonist; raising agent; refrigerant; vasodilator agent |
pyridine azine : An organonitrogen compound of general structure RCH=N-N=CHR or RR'C=N-N=CRR'. | 2.02 | 1 | 0 | azaarene; mancude organic heteromonocyclic parent; monocyclic heteroarene; pyridines | environmental contaminant; NMR chemical shift reference compound |
2,2'-azobis(2-amidinopropane) 2,2'-azobis(2-amidinopropane): water-soluble free-radical initiator | 2.13 | 1 | 0 | monoazo compound | |
n-acetylphenylalanine N-acetylphenylalanine: RN given refers to (DL)-isomer. N-acetylphenylalanine : The N-acetyl derivative of phenylalanine. | 2.38 | 2 | 0 | N-acetyl-amino acid; phenylalanine derivative | antidepressant; metabolite |
gaboxadol gaboxadol: GABA agonist; inhibitor of GABA uptake systems; structure | 2.07 | 1 | 0 | oxazole | |
aldosterone [no description available] | 2.06 | 1 | 0 | 11beta-hydroxy steroid; 18-oxo steroid; 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(4) steroid; C21-steroid hormone; mineralocorticoid; primary alpha-hydroxy ketone; steroid aldehyde | human metabolite; mouse metabolite |
cysteine [no description available] | 1.97 | 1 | 0 | cysteine zwitterion; cysteine; L-alpha-amino acid; proteinogenic amino acid; serine family amino acid | EC 4.3.1.3 (histidine ammonia-lyase) inhibitor; flour treatment agent; human metabolite |
alanine Alanine: A non-essential amino acid that occurs in high levels in its free state in plasma. It is produced from pyruvate by transamination. It is involved in sugar and acid metabolism, increases IMMUNITY, and provides energy for muscle tissue, BRAIN, and the CENTRAL NERVOUS SYSTEM.. alanine : An alpha-amino acid that consists of propionic acid bearing an amino substituent at position 2. | 4.32 | 2 | 2 | alanine zwitterion; alanine; L-alpha-amino acid; proteinogenic amino acid; pyruvate family amino acid | EC 4.3.1.15 (diaminopropionate ammonia-lyase) inhibitor; fundamental metabolite |
serine Serine: A non-essential amino acid occurring in natural form as the L-isomer. It is synthesized from GLYCINE or THREONINE. It is involved in the biosynthesis of PURINES; PYRIMIDINES; and other amino acids.. serine : An alpha-amino acid that is alanine substituted at position 3 by a hydroxy group. | 1.97 | 1 | 0 | L-alpha-amino acid; proteinogenic amino acid; serine family amino acid; serine zwitterion; serine | algal metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
aspartic acid Aspartic Acid: One of the non-essential amino acids commonly occurring in the L-form. It is found in animals and plants, especially in sugar cane and sugar beets. It may be a neurotransmitter.. aspartic acid : An alpha-amino acid that consists of succinic acid bearing a single alpha-amino substituent. L-aspartic acid : The L-enantiomer of aspartic acid. | 1.97 | 1 | 0 | aspartate family amino acid; aspartic acid; L-alpha-amino acid; proteinogenic amino acid | Escherichia coli metabolite; mouse metabolite; neurotransmitter |
glutamine Glutamine: A non-essential amino acid present abundantly throughout the body and is involved in many metabolic processes. It is synthesized from GLUTAMIC ACID and AMMONIA. It is the principal carrier of NITROGEN in the body and is an important energy source for many cells.. L-glutamine : An optically active form of glutamine having L-configuration.. glutamine : An alpha-amino acid that consists of butyric acid bearing an amino substituent at position 2 and a carbamoyl substituent at position 4. | 3.76 | 2 | 1 | amino acid zwitterion; glutamine family amino acid; glutamine; L-alpha-amino acid; polar amino acid zwitterion; proteinogenic amino acid | EC 1.14.13.39 (nitric oxide synthase) inhibitor; Escherichia coli metabolite; human metabolite; metabolite; micronutrient; mouse metabolite; nutraceutical; Saccharomyces cerevisiae metabolite |
lysine Lysine: An essential amino acid. It is often added to animal feed.. lysine : A diamino acid that is caproic (hexanoic) acid bearing two amino substituents at positions 2 and 6.. L-lysine : An L-alpha-amino acid; the L-isomer of lysine. | 1.97 | 1 | 0 | aspartate family amino acid; L-alpha-amino acid zwitterion; L-alpha-amino acid; lysine; organic molecular entity; proteinogenic amino acid | algal metabolite; anticonvulsant; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; plant metabolite; Saccharomyces cerevisiae metabolite |
sucrose Saccharum: A plant genus of the family POACEAE widely cultivated in the tropics for the sweet cane that is processed into sugar. | 2.11 | 1 | 0 | glycosyl glycoside | algal metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; osmolyte; Saccharomyces cerevisiae metabolite; sweetening agent |
uridine [no description available] | 1.98 | 1 | 0 | uridines | drug metabolite; fundamental metabolite; human metabolite |
tyrosine Tyrosine: A non-essential amino acid. In animals it is synthesized from PHENYLALANINE. It is also the precursor of EPINEPHRINE; THYROID HORMONES; and melanin.. tyrosine : An alpha-amino acid that is phenylalanine bearing a hydroxy substituent at position 4 on the phenyl ring. | 12.53 | 15 | 4 | amino acid zwitterion; erythrose 4-phosphate/phosphoenolpyruvate family amino acid; L-alpha-amino acid; proteinogenic amino acid; tyrosine | EC 1.3.1.43 (arogenate dehydrogenase) inhibitor; fundamental metabolite; micronutrient; nutraceutical |
leucine Leucine: An essential branched-chain amino acid important for hemoglobin formation.. leucine : A branched-chain amino acid that consists of glycine in which one of the hydrogens attached to the alpha-carbon is substituted by an isobutyl group. | 1.97 | 1 | 0 | amino acid zwitterion; L-alpha-amino acid; leucine; proteinogenic amino acid; pyruvate family amino acid | algal metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; plant metabolite; Saccharomyces cerevisiae metabolite |
methionine Methionine: A sulfur-containing essential L-amino acid that is important in many body functions.. methionine : A sulfur-containing amino acid that is butyric acid bearing an amino substituent at position 2 and a methylthio substituent at position 4. | 1.97 | 1 | 0 | aspartate family amino acid; L-alpha-amino acid; methionine zwitterion; methionine; proteinogenic amino acid | antidote to paracetamol poisoning; human metabolite; micronutrient; mouse metabolite; nutraceutical |
phenylalanine Phenylalanine: An essential aromatic amino acid that is a precursor of MELANIN; DOPAMINE; noradrenalin (NOREPINEPHRINE), and THYROXINE.. L-phenylalanine : The L-enantiomer of phenylalanine.. phenylalanine : An aromatic amino acid that is alanine in which one of the methyl hydrogens is substituted by a phenyl group. | 5.67 | 7 | 1 | amino acid zwitterion; erythrose 4-phosphate/phosphoenolpyruvate family amino acid; L-alpha-amino acid; phenylalanine; proteinogenic amino acid | algal metabolite; EC 3.1.3.1 (alkaline phosphatase) inhibitor; Escherichia coli metabolite; human xenobiotic metabolite; micronutrient; mouse metabolite; nutraceutical; plant metabolite; Saccharomyces cerevisiae metabolite |
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. | 1.97 | 1 | 0 | non-proteinogenic L-alpha-amino acid; ornithine | algal metabolite; hepatoprotective agent; mouse metabolite |
asparagine Asparagine: A non-essential amino acid that is involved in the metabolic control of cell functions in nerve and brain tissue. It is biosynthesized from ASPARTIC ACID and AMMONIA by asparagine synthetase. (From Concise Encyclopedia Biochemistry and Molecular Biology, 3rd ed). asparagine : An alpha-amino acid in which one of the hydrogens attached to the alpha-carbon of glycine is substituted by a 2-amino-2-oxoethyl group. | 1.97 | 1 | 0 | amino acid zwitterion; asparagine; aspartate family amino acid; L-alpha-amino acid; proteinogenic amino acid | Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; plant metabolite; Saccharomyces cerevisiae 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. | 1.97 | 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 |
valine Valine: A branched-chain essential amino acid that has stimulant activity. It promotes muscle growth and tissue repair. It is a precursor in the penicillin biosynthetic pathway.. valine : A branched-chain amino acid that consists of glycine in which one of the hydrogens attached to the alpha-carbon is substituted by an isopropyl group.. L-valine : The L-enantiomer of valine. | 2.39 | 2 | 0 | L-alpha-amino acid zwitterion; L-alpha-amino acid; proteinogenic amino acid; pyruvate family amino acid; valine | algal metabolite; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; Saccharomyces cerevisiae metabolite |
threonine Threonine: An essential amino acid occurring naturally in the L-form, which is the active form. It is found in eggs, milk, gelatin, and other proteins.. threonine : An alpha-amino acid in which one of the hydrogens attached to the alpha-carbon of glycine is substituted by a 1-hydroxyethyl group. | 1.97 | 1 | 0 | amino acid zwitterion; aspartate family amino acid; L-alpha-amino acid; proteinogenic amino acid; threonine | algal metabolite; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; plant metabolite; Saccharomyces cerevisiae metabolite |
tryptophan Tryptophan: An essential amino acid that is necessary for normal growth in infants and for NITROGEN balance in adults. It is a precursor of INDOLE ALKALOIDS in plants. It is a precursor of SEROTONIN (hence its use as an antidepressant and sleep aid). It can be a precursor to NIACIN, albeit inefficiently, in mammals.. tryptophan : An alpha-amino acid that is alanine bearing an indol-3-yl substituent at position 3. | 1.97 | 1 | 0 | erythrose 4-phosphate/phosphoenolpyruvate family amino acid; L-alpha-amino acid zwitterion; L-alpha-amino acid; proteinogenic amino acid; tryptophan zwitterion; tryptophan | antidepressant; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; plant metabolite; 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. | 2.37 | 2 | 0 | arginine; glutamine family amino acid; L-alpha-amino acid; proteinogenic amino acid | biomarker; Escherichia coli metabolite; micronutrient; mouse metabolite; nutraceutical |
3-mercaptopropionic acid 3-Mercaptopropionic Acid: An inhibitor of glutamate decarboxylase. It decreases the GAMMA-AMINOBUTYRIC ACID concentration in the brain, thereby causing convulsions.. 3-mercaptopropanoic acid : A mercaptopropanoic acid that is propanoic acid carrying a sulfanyl group at position 3. | 1.98 | 1 | 0 | mercaptopropanoic acid | algal metabolite |
taurocholic acid Taurocholic Acid: The product of conjugation of cholic acid with taurine. Its sodium salt is the chief ingredient of the bile of carnivorous animals. It acts as a detergent to solubilize fats for absorption and is itself absorbed. It is used as a cholagogue and cholerectic.. taurocholate : An organosulfonate oxoanion that is the conjugate base of taurocholic acid.. taurocholic acid : A bile acid taurine conjugate of cholic acid that usually occurs as the sodium salt of bile in mammals. | 2.37 | 2 | 0 | amino sulfonic acid; bile acid taurine conjugate | human metabolite |
iodohippuric acid Iodohippuric Acid: An iodine-containing compound used in pyelography as a radiopaque medium. If labeled with radioiodine, it can be used for studies of renal function.. 2-iodohippuric acid : A member of the class of benzamides resulting from the formal condensation of the carboxy group of 2-iodobenzoic acid with the amino group of glycine. | 2.08 | 1 | 0 | benzamides; N-acylglycine; organoiodine compound | |
isoxazoles Isoxazoles: Azoles with an OXYGEN and a NITROGEN next to each other at the 1,2 positions, in contrast to OXAZOLES that have nitrogens at the 1,3 positions.. isoxazole : A monocyclic heteroarene with a structure consisting of a 5-membered ring containing three carbon atoms and an oxygen and nitrogen atom adjacent to each other. It is the parent of the class of isoxazoles.. isoxazoles : Oxazoles in which the N and O atoms are adjacent. | 2.07 | 1 | 0 | isoxazoles; mancude organic heteromonocyclic parent; monocyclic heteroarene | |
chenodeoxycholic acid Chenodeoxycholic Acid: A bile acid, usually conjugated with either glycine or taurine. It acts as a detergent to solubilize fats for intestinal absorption and is reabsorbed by the small intestine. It is used as cholagogue, a choleretic laxative, and to prevent or dissolve gallstones.. chenodeoxycholic acid : A dihydroxy-5beta-cholanic acid that is (5beta)-cholan-24-oic acid substituted by hydroxy groups at positions 3 and 7 respectively.. chenodeoxycholate : Conjugate base of chenodeoxycholic acid; major species at pH 7.3. | 1.97 | 1 | 0 | bile acid; C24-steroid; dihydroxy-5beta-cholanic acid | human metabolite; mouse metabolite |
glycocholic acid Glycocholic Acid: The glycine conjugate of CHOLIC ACID. It acts as a detergent to solubilize fats for absorption and is itself absorbed.. glycocholic acid : A bile acid glycine conjugate having cholic acid as the bile acid component.. glycocholate : A cholanic acid conjugate anion that is the conjugate base of glycocholic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. | 1.96 | 1 | 0 | bile acid glycine conjugate | human metabolite |
glycyl-glycyl-glycine glycyl-glycyl-glycine : A tripeptide in which three glycine units are linked via peptide bonds in a linear sequence. | 2.69 | 3 | 0 | tripeptide zwitterion; tripeptide | |
glycylglycine [no description available] | 2.91 | 4 | 0 | dipeptide zwitterion; dipeptide | human metabolite |
2,2'-biphenol biphenyl-2,2'-diol : A member of the class of hydroxybiphenyls carrying hydroxy groups at positions 2 and 2'. | 1.96 | 1 | 0 | hydroxybiphenyls | |
1-o-tolylazo-2-naphthol C.I. Solvent Orange 2: structure; see also record for Orange II | 1.96 | 1 | 0 | | |
carbonates Carbonates: Salts or ions of the theoretical carbonic acid, containing the radical CO2(3-). Carbonates are readily decomposed by acids. The carbonates of the alkali metals are water-soluble; all others are insoluble. (From Grant & Hackh's Chemical Dictionary, 5th ed). carbonates : Organooxygen compounds that are salts or esters of carbonic acid, H2CO3. | 2.06 | 1 | 0 | carbon oxoanion | |
norleucine Norleucine: An unnatural amino acid that is used experimentally to study protein structure and function. It is structurally similar to METHIONINE, however it does not contain SULFUR.. L-norleucine : A non-proteinogenic L-alpha-amino acid comprising hexanoic acid carrying an amino group at C-2. It does not occur naturally. | 1.97 | 1 | 0 | 2-aminohexanoic acid; L-alpha-amino acid zwitterion; non-proteinogenic L-alpha-amino acid | |
gold Gold: A yellow metallic element with the atomic symbol Au, atomic number 79, and atomic weight 197. It is used in jewelry, goldplating of other metals, as currency, and in dental restoration. Many of its clinical applications, such as ANTIRHEUMATIC AGENTS, are in the form of its salts. | 2.03 | 1 | 0 | copper group element atom; elemental gold | |
deuterium oxide Deuterium Oxide: The isotopic compound of hydrogen of mass 2 (deuterium) with oxygen. (From Grant & Hackh's Chemical Dictionary, 5th ed) It is used to study mechanisms and rates of chemical or nuclear reactions, as well as biological processes. | 2.06 | 1 | 0 | deuterated compound; water | NMR solvent |
iodine monochloride iodine monochloride: RN given refers to parent cpd; structure | 2 | 1 | 0 | | |
iodine [no description available] | 2 | 1 | 0 | halide anion; monoatomic iodine | human metabolite |
glutamic acid Glutamic Acid: A non-essential amino acid naturally occurring in the L-form. Glutamic acid is the most common excitatory neurotransmitter in the CENTRAL NERVOUS SYSTEM.. glutamic acid : An alpha-amino acid that is glutaric acid bearing a single amino substituent at position 2. | 1.97 | 1 | 0 | glutamic acid; glutamine family amino acid; L-alpha-amino acid; proteinogenic amino acid | Escherichia coli metabolite; ferroptosis inducer; micronutrient; mouse metabolite; neurotransmitter; nutraceutical |
vindesine Vindesine: Vinblastine derivative with antineoplastic activity against CANCER. Major side effects are myelosuppression and neurotoxicity. Vindesine is used extensively in chemotherapy protocols (ANTINEOPLASTIC COMBINED CHEMOTHERAPY PROTOCOLS). | 1.96 | 1 | 0 | methyl ester; organic heteropentacyclic compound; organic heterotetracyclic compound; primary carboxamide; tertiary alcohol; tertiary amino compound; vinca alkaloid | antineoplastic agent |
enkephalin, methionine Enkephalin, Methionine: One of the endogenous pentapeptides with morphine-like activity. It differs from LEU-ENKEPHALIN by the amino acid METHIONINE in position 5. Its first four amino acid sequence is identical to the tetrapeptide sequence at the N-terminal of BETA-ENDORPHIN. | 2.47 | 2 | 0 | | |
raloxifene hydrochloride Raloxifene Hydrochloride: A second generation selective estrogen receptor modulator (SERM) used to prevent osteoporosis in postmenopausal women. It has estrogen agonist effects on bone and cholesterol metabolism but behaves as a complete estrogen antagonist on mammary gland and uterine tissue.. raloxifene hydrochloride : A hydrochloride salt resulting from the reaction of equimolar amounts of raloxifene and hydrogen chloride. | 2 | 1 | 0 | hydrochloride | bone density conservation agent; estrogen antagonist; estrogen receptor modulator |
norvaline norvaline: differs from valine in being 1 carbon longer instead of branched; RN given refers to (L)-isomer; structure. L-2-aminopentanoic acid : A 2-aminopentanoic acid that has S-configuration. | 1.97 | 1 | 0 | 2-aminopentanoic acid; L-alpha-amino acid zwitterion | bacterial metabolite; hypoglycemic agent; neuroprotective agent |
omega-aminocaprylic acid 8-aminooctanoic acid : An omega-amino fatty acid that is octanoic acid which carries an amino group at position 8. | 2 | 1 | 0 | medium-chain fatty acid; omega-amino fatty acid | human metabolite |
glycyl-glycyl-glycyl-glycine [no description available] | 2.03 | 1 | 0 | | |
ethyl tyrosine ester ethyl tyrosine ester: RN given refers to L-isomer. ethyl L-tyrosinate : An L-tyrosyl ester that is L-tyrosine in which the hydrogen of the carboxy group has been replaced by an ethyl group. | 1.97 | 1 | 0 | ethyl ester; L-tyrosyl ester | |
leucyltyrosine leucyltyrosine: RN given refers to L-Tyr,L-Leu-isomer; RN for cpd without isomeric designation not avail 4/93 | 2.92 | 4 | 0 | dipeptide | metabolite |
tyrosyltyrosine tyrosyltyrosine: RN given refers to all-(L)-isomer. tyrosyltyrosine : A dipeptide comprising tyrosine with a tyrosyl residue attached to the alpha-nitrogen.. Tyr-Tyr : Tyrosyltyrosine in which each tyrosine residue has L-configuration. | 2.03 | 1 | 0 | tyrosyltyrosine | Mycoplasma genitalium metabolite |
tyrosine methyl ester tyrosine methyl ester: RN given refers to (L)-isomer. methyl L-tyrosinate : An L-tyrosyl ester that is the methyl ester of L-tyrosine. | 1.97 | 1 | 0 | L-tyrosyl ester; methyl ester | |
leucyl-glycyl-glycine leucyl-glycyl-glycine: RN given refers to (L-Leu)-isomer. Leu-Gly-Gly : A tripeptide composed of one L-leucine and two glycine residues joined in sequence. | 1.97 | 1 | 0 | tripeptide | metabolite |
acetylleucine [no description available] | 1.97 | 1 | 0 | L-leucine derivative; N-acetyl-L-amino acid | metabolite |
ubenimex ubenimex: growth inhibitor | 2 | 1 | 0 | | |
leucylleucine Leu-Leu : A dipeptide formed from two L-leucine residues. | 2.68 | 3 | 0 | dipeptide; L-aminoacyl-L-amino acid zwitterion | human metabolite; Mycoplasma genitalium metabolite |
phenylalanylleucine phenylalanylleucine: RN given refers to (L)-isomer | 2.38 | 2 | 0 | dipeptide zwitterion; dipeptide | plant metabolite |
methyl tryptophan, (l-trp)-isomer [no description available] | 1.97 | 1 | 0 | | |
leucyl-alanine Leu-Ala : A dipeptide composed of L-leucine and L-alanine joined by a peptide linkage. | 2.38 | 2 | 0 | dipeptide | metabolite |
tryptophan ethyl ester tryptophan ethyl ester: RN given refers to (DL)-isomer | 1.97 | 1 | 0 | | |
leucyl-leucyl-leucine leucyl-leucyl-leucine: RN given refers to (L-Leu-L-Leu-L-Leu)-isomer. Leu-Leu-Leu : A tripeptide formed from three L-leucine residues. | 1.97 | 1 | 0 | tripeptide | metabolite |
alanylproline alanylproline: RN given refers to all (L)-isomer | 2.1 | 1 | 0 | dipeptide zwitterion; dipeptide | metabolite |
phenylalanylphenylalanylamide [no description available] | 2.03 | 1 | 0 | | |
tyrosylleucine [no description available] | 2.38 | 2 | 0 | dipeptide | metabolite |
Trp-Trp tryptophyltryptophan: an antigelation agent. Trp-Trp : A dipeptide formed from two L-tryptophan residues. | 2.68 | 3 | 0 | dipeptide | Mycoplasma genitalium metabolite |
n-acetyltyrosine, (dl)-isomer N-acetyltyrosine: RN given refers to (L)-isomer. N-acetyltyrosine : An N-acetyl-amino acid that is tyrosine with an amine hydrogen substituted by an acetyl group. | 4.05 | 3 | 1 | N-acetyl-amino acid; phenols; tyrosine derivative | human urinary metabolite |
glycyltryptophan glycyltryptophan: RN given refers to (L)-isomer. Gly-Trp : A dipeptide formed from glycine and L-tryptophan residues. | 3.1 | 5 | 0 | dipeptide | metabolite |
glycylleucine Gly-Leu : A dipeptide composed of glycine and L-leucine joined by a peptide linkage. | 2.91 | 4 | 0 | dipeptide zwitterion; dipeptide | metabolite |
histidine methyl ester histidine methyl ester: RN given refers to (L)-isomer; structure given in first source. histidine methyl ester : An alpha-amino acid ester that is the methyl ester of histidine. | 1.97 | 1 | 0 | histidine derivative | |
alanyltyrosine alanyltyrosine: tyrosine source; RN given refers to (L)-isomer. Ala-Tyr : A dipeptide composed of L-alanine and L-tyrosine joined by a peptide linkage. | 4.31 | 4 | 1 | dipeptide | metabolite |
glycyl-l-phenylalanine glycylphenylalanine: RN given refers to (DL)-isomer. Gly-Phe : A dipeptide formed from glycine and L-phenylalanine residues. | 3.26 | 6 | 0 | dipeptide zwitterion; dipeptide | human metabolite; metabolite |
aspartyl-phenylalanine aspartyl-phenylalanine: metabolite of aspartame; may inhibit angiotensin converting enzyme; RN given refers to all (L)-isomer | 2.1 | 1 | 0 | dipeptide | human blood serum metabolite; human xenobiotic metabolite |
glycylsarcosine glycylsarcosine : A dipeptide obtained by formal condensation of the carboxy group of glycine with the amino group of sarcosine. | 2.45 | 2 | 0 | dipeptide zwitterion; dipeptide | |
n-acetylphenylalanine ethyl ester N-acetylphenylalanine ethyl ester: RN given refers to (L)-isomer | 1.97 | 1 | 0 | | |
alanylphenylalanine alanylphenylalanine: RN given refers to (L-Ala-L-PheAla)-isomer | 2.92 | 4 | 0 | dipeptide | metabolite |
glycyl-leucyl-tyrosine glycyl-leucyl-tyrosine: structure given in first source | 2.39 | 2 | 0 | oligopeptide | |
tryptophylglycine Trp-Gly : A dipeptide formed from L-tryptophan and glycine residues. | 2.96 | 4 | 0 | dipeptide | metabolite |
glycylaspartic acid glycylaspartic acid: RN given refers to (L)-isomer | 2.69 | 3 | 0 | dipeptide | metabolite |
n-glycylglutamic acid N-glycylglutamic acid: RN given refers to (L)-isomer. Gly-Glu : A dipeptide formed from glycyl and L-glutamic acid residues. | 2.41 | 2 | 0 | dipeptide | metabolite |
beta-aspartylglycine beta-aspartylglycine: found in cecum of germ-free & antibiotic-treated mice; RN given refers to (L-beta)-isomer | 2 | 1 | 0 | dipeptide | |
alpha-glutamyltryptophan alpha-glutamyltryptophan: RN refers to L-isomer; a naturally occurring thymic immunomodulator. Glu-Trp : A dipeptide composed of L-glutamic acid and L-tryptophan joined by a peptide linkage. | 2.13 | 1 | 0 | dipeptide | angiogenesis modulating agent; antineoplastic agent; immunomodulator; metabolite |
histidylglycine histidylglycine: RN given refers to all (L)-isomer. His-Gly : A dipeptide formed from L-histidine and glycine residues. | 2.41 | 2 | 0 | dipeptide | metabolite |
valylvaline valylvaline: RN given refers to (L)-isomer. Val-Val : A dipeptide formed from two L-valine residues. | 2.68 | 3 | 0 | dipeptide | Mycoplasma genitalium metabolite |
dityrosine dityrosine: o,o'-biphenol analog of tyrosine; isolated from insoluble protein of human cataractous lenses; structure. dityrosine : A biphenyl compound comprising two tyrosine residues linked at carbon-3 of their benzene rings. | 1.96 | 1 | 0 | biphenyls; non-proteinogenic alpha-amino acid; tyrosine derivative | biomarker |
tyrosyl-glycyl-glycine tyrosyl-glycyl-glycine: RN given refers to L-isomer; this may not be the same as IMREG-1. Tyr-Gly-Gly : A tripeptide composed of one L-tyrosine and two glycine residues joined in sequence. | 2.02 | 1 | 0 | tripeptide zwitterion; tripeptide | metabolite |
proctolin proctolin: neurotransmitter in arthropods or invertebrates | 1.98 | 1 | 0 | | |
glycylglutamine glycylglutamine: inhibitory neuropeptide derived from beta-endorphin; RN given refers to (L)-isomer | 3.77 | 2 | 1 | dipeptide zwitterion; dipeptide | metabolite; protective agent |
alanylglutamine alanylglutamine: RN refers to (L-Glu)-isomer; dipeptiven is for parenteral use. Ala-Gln : A dipeptide formed from L-alanyl and L-glutamine residues. | 4.61 | 3 | 2 | dipeptide zwitterion; dipeptide | metabolite |
methotrexate [no description available] | 2.4 | 2 | 0 | dicarboxylic acid; monocarboxylic acid amide; pteridines | abortifacient; antimetabolite; antineoplastic agent; antirheumatic drug; dermatologic drug; DNA synthesis inhibitor; EC 1.5.1.3 (dihydrofolate reductase) inhibitor; immunosuppressive agent |
glycyl-leucyl-phenylalanine glycyl-leucyl-phenylalanine: an immunostimulatory peptide; RN given refer to all (L)-isomer | 2.03 | 1 | 0 | oligopeptide | |
lysyllysine lysyllysine: RN given refers to (L-Lys)-isomer. Lys-Lys : A dipeptide formed from two L-lysine residues. | 2.42 | 2 | 0 | dipeptide | Mycoplasma genitalium metabolite |
proline Proline: A non-essential amino acid that is synthesized from GLUTAMIC ACID. It is an essential component of COLLAGEN and is important for proper functioning of joints and tendons.. proline : An alpha-amino acid that is pyrrolidine bearing a carboxy substituent at position 2. | 1.97 | 1 | 0 | amino acid zwitterion; glutamine family amino acid; L-alpha-amino acid; proline; proteinogenic amino acid | algal metabolite; compatible osmolytes; Escherichia coli metabolite; micronutrient; mouse metabolite; nutraceutical; Saccharomyces cerevisiae metabolite |
phenylalanylarginine phenylalanylarginine: RN given refers to all (L)-isomer. Phe-Arg : A dipeptide composed of L-phenylalanine and L-arginine joined by a peptide linkage. | 1.98 | 1 | 0 | dipeptide | metabolite |
alanine-4-nitroanilide alanine-4-nitroanilide: substrate for aminopeptidase M | 2 | 1 | 0 | | |
arginylproline arginylproline: first & second amino acid in substance P sequence; RN given refers to (L)-isomer. Arg-Pro : A dipeptide obtained by formal condensation of the carboxy group of L-arginine with the amino group of L-proline. | 2.1 | 1 | 0 | dipeptide | |
aspartylglycine Asp-Gly : A dipeptide composed of L-aspartic acid and glycine joined by a peptide linkage. | 2.69 | 3 | 0 | dipeptide | metabolite |
arginylarginine Arg-Arg : A dipeptide formed from two L-arginine residues. | 2.03 | 1 | 0 | dipeptide | Mycoplasma genitalium metabolite |
prolyl-tyrosine prolyl-tyrosine: structure given in first source. Pro-Tyr : A dipeptide formed from L-proline and L-tyrosine residues. | 2.38 | 2 | 0 | dipeptide | metabolite |
n-valyltryptophan N-valyltryptophan: RN given refers to (L)-isomer | 2.71 | 3 | 0 | peptide | |
lysylproline lysylproline: third & fourth amino acid in substance P sequence. Lys-Pro : A dipeptide formed from L-lysine and L-proline residues. | 2.1 | 1 | 0 | dipeptide | metabolite |
histidylleucine His-Leu : A dipeptide formed from L-histidine and L-leucine residues. | 1.98 | 1 | 0 | dipeptide zwitterion; dipeptide | metabolite |
prolylglutamic acid Pro-Glu : A dipeptide formed from L-proline and L-glutamic acid residues. | 2.03 | 1 | 0 | dipeptide | metabolite |
sq 14,603 2-benzyl-3-mercaptopropanoic acid: structure; carboxypeptidase inhibitor | 1.98 | 1 | 0 | | |
cholic acid Cholic Acid: A major primary bile acid produced in the liver and usually conjugated with glycine or taurine. It facilitates fat absorption and cholesterol excretion.. cholic acid : A bile acid that is 5beta-cholan-24-oic acid bearing three alpha-hydroxy substituents at position 3, 7 and 12. | 1.97 | 1 | 0 | 12alpha-hydroxy steroid; 3alpha-hydroxy steroid; 7alpha-hydroxy steroid; bile acid; C24-steroid; trihydroxy-5beta-cholanic acid | human metabolite; mouse metabolite |
deoxycholic acid Deoxycholic Acid: A bile acid formed by bacterial action from cholate. It is usually conjugated with glycine or taurine. Deoxycholic acid acts as a detergent to solubilize fats for intestinal absorption, is reabsorbed itself, and is used as a choleretic and detergent.. deoxycholic acid : A bile acid that is 5beta-cholan-24-oic acid substituted by hydroxy groups at positions 3 and 12 respectively. | 1.97 | 1 | 0 | bile acid; C24-steroid; dihydroxy-5beta-cholanic acid | human blood serum metabolite |
carnosine polaprezinc: stimulates bone growth | 2 | 1 | 0 | amino acid zwitterion; dipeptide | anticonvulsant; antineoplastic agent; antioxidant; Daphnia magna metabolite; geroprotector; human metabolite; mouse metabolite; neuroprotective agent |
cysteinylglycine cysteinylglycine: RN given refers to (L)-isomer; RN for cpd without isomeric designation not in Chemlne 7/13/83. L-cysteinylglycine : A dipeptide consisting of glycine having an L-cysteinyl attached to its alpha-amino group. It is an intermediate metabolite in glutathione metabolism. | 2.53 | 2 | 0 | dipeptide zwitterion; dipeptide | Escherichia coli metabolite; human metabolite; Saccharomyces cerevisiae metabolite |
glutamyl-glutamic acid glutamyl-glutamic acid: RN given for (L,L)-isomer. Glu-Glu : A dipeptide composed of two L-glutamic acid units joined by a peptide linkage. | 2.03 | 1 | 0 | dipeptide | Mycoplasma genitalium metabolite |
monoiodotyrosine Monoiodotyrosine: A product from the iodination of tyrosine. In the biosynthesis of thyroid hormones (THYROXINE and TRIIODOTHYRONINE), tyrosine is first iodized to monoiodotyrosine.. iodotyrosine : A tyrosine derivative which has at least one iodo-substituent on the benzyl moiety.. monoiodotyrosine : An iodotyrosine carrying a single iodo substituent.. 3-iodo-L-tyrosine : The monoiodotyrosine that is L-tyrosine carrying an iodo-substituent at position C-3 of the benzyl group. | 2 | 1 | 0 | amino acid zwitterion; L-tyrosine derivative; monoiodotyrosine; non-proteinogenic L-alpha-amino acid | EC 1.14.16.2 (tyrosine 3-monooxygenase) inhibitor; human metabolite; mouse metabolite |
isoleucylvaline isoleucylvaline: RN given refers to all (L)-isomer. Ile-Val : A dipeptide formed from L-isoleucine and L-valine residues. | 2.38 | 2 | 0 | dipeptide | metabolite |
afimoxifene afimoxifene : A tertiary amino compound that is tamoxifen in which the phenyl group which is in a Z- relationship to the ethyl substituent is hydroxylated at the para- position. It is the active metabolite of tamoxifen. | 2 | 1 | 0 | phenols; tertiary amino compound | antineoplastic agent; estrogen receptor antagonist; metabolite |
aspartyl-aspartic acid aspartyl-aspartic acid: do not confuse with cyclo(Asp-Asp). Asp-Asp : A dipeptide formed from two L-aspartic acid units. | 2.42 | 2 | 0 | dipeptide | Mycoplasma genitalium metabolite |
Phe-Tyr Phe-Tyr : A dipeptide formed from L-phenylalanine and L-tyrosine residues. | 2.69 | 3 | 0 | dipeptide | metabolite |
n-acetyltryptophan N-acetyl-L-tryptophan : A N-acetyl-L-amino acid that is the N-acetyl derivative of L-tryptophan. | 1.97 | 1 | 0 | L-tryptophan derivative; N-acetyl-L-amino acid | metabolite |
n-benzoylalanine N-benzoylalanine: RN given refers to parent cpd (L-Ala)-isomer. N-benzoylalanine : An N-acylamino acid that is the N-benzoyl derivative of alanine.. N-benzoyl-L-alanine : An N-acyl-L-alanine resulting from the formal condensation of L-alanine with the carboxy group of benzoic acid. | 1.97 | 1 | 0 | N-acyl-L-alanine; N-benzoylalanine | metabolite |
phenylalanine methyl ester phenylalanine methyl ester: RN given refers to (L)-isomer. methyl L-phenylalaninate : An alpha-amino acid ester that is the methyl ester of L-phenylalanine. | 1.97 | 1 | 0 | alpha-amino acid ester; L-phenylalanine derivative | |
n-glycylalanine Gly-Ala : A dipeptide formed from glycine and L-alanine residues. | 2.41 | 2 | 0 | dipeptide | metabolite |
D-fructopyranose [no description available] | 2.11 | 1 | 0 | cyclic hemiketal; D-fructose; fructopyranose | sweetening agent |
glycylvaline glycylvaline: RN given refers to (DL)-isomer | 2.38 | 2 | 0 | dipeptide | human metabolite |
tamoxifen [no description available] | 2 | 1 | 0 | stilbenoid; tertiary amino compound | angiogenesis inhibitor; antineoplastic agent; bone density conservation agent; EC 1.2.3.1 (aldehyde oxidase) inhibitor; EC 2.7.11.13 (protein kinase C) inhibitor; estrogen antagonist; estrogen receptor antagonist; estrogen receptor modulator |
glycylproline Gly-Pro : A dipeptide consisting of L-proline having a glycyl residue attached to its alpha-amino group. | 3.11 | 5 | 0 | dipeptide zwitterion; dipeptide | metabolite |
glycyllysine glycyllysine: RN given refers to (L)-isomer. Gly-Lys : A dipeptide formed from glycine and L-lysine residues. | 2.69 | 3 | 0 | dipeptide | metabolite |
methionyltryptophan Met-Trp : A dipeptide formed from L-methionine and L-tryptophan residues. | 2.1 | 1 | 0 | dipeptide | metabolite |
chloramine-t chloramine-T: RN given refers to unlabeled parent cpd. chloramine T : An organic sodium salt derivative of toluene-4-sulfonamide with a chloro substituent in place of an amino hydrogen. | 1.98 | 1 | 0 | organic sodium salt | allergen; antifouling biocide; disinfectant |
2,2'-azino-di-(3-ethylbenzothiazoline)-6-sulfonic acid 2,2'-azino-di-(3-ethylbenzothiazoline)-6-sulfonic acid: chromogen in glucose oxidase-peroxidase method for determining serum glucose; used in free radical scavenging assays; structure in first source | 2.13 | 1 | 0 | | |
alanylalanine L-alanyl-L-alanine : A dipeptide consisting of two L-alanine units joined by a peptide linkage. | 2.41 | 2 | 0 | dipeptide zwitterion; dipeptide | Mycoplasma genitalium metabolite |
phenylalanylalanine phenylalanylalanine: RN given refers to (L)-isomer. Phe-Ala : A dipeptide formed from L-phenylalanine and L-alanine residues. | 2.03 | 1 | 0 | dipeptide zwitterion; dipeptide | metabolite |
alpha-aspartylalanine alpha-aspartylalanine: found in pig brain. Asp-Ala : A dipeptide formed from L-alpha-aspartyl and L-valine residues. | 1.98 | 1 | 0 | dipeptide | metabolite |
alanyltyrosine Tyr-Ala : A dipeptide formed from L-tyrosine and L-alanine residues. | 2.41 | 2 | 0 | dipeptide | metabolite |
prolylglycine prolylglycine: RN given refers to (L)-isomer. L-prolylglycine : A dipeptide consisting of glycine having an L-prolyl group attached to its alpha-amino nitrogen. | 2.91 | 4 | 0 | dipeptide zwitterion; dipeptide | |
arginyllysine Arg-Lys : A dipeptide formed from L-arginyl and L-leucine residues. | 2.03 | 1 | 0 | dipeptide | metabolite |
phenylalanylglycine phenylalanylglycine: RN given refers to (DL)-isomer. Phe-Gly : A dipeptide formed from L-phenylalanine and glycine residues. | 2.91 | 4 | 0 | dipeptide | metabolite |
leucyl-phenylalanine Leu-Phe : A dipeptide formed from L-leucine and L-phenylalanine residues. | 2.38 | 2 | 0 | dipeptide | metabolite |
glutamylalanine Glu-Ala : A dipeptide formed from L-alpha-glutamyl and L-alanine residues. | 1.98 | 1 | 0 | dipeptide | metabolite |
glycyl-alanyl-leucine glycyl-alanyl-leucine: RN given refers to all (L)-isomer; RN for cpd without isomeric designation not avail 9/91 | 1.97 | 1 | 0 | peptide | |
glutaminyl-glycine Gln-Gly : A dipeptide formed from L-glutamine and glycine residues. | 1.98 | 1 | 0 | dipeptide | metabolite |
methionylglycine methionylglycine: RN given refers to (L)-isomer. Met-Gly : A dipeptide formed from L-methionine and glycine residues. | 2.43 | 2 | 0 | dipeptide | metabolite |
phenylalanylphenylalanine Phe-Phe : A dipeptide formed from two L-phenylalanine residues. | 2.38 | 2 | 0 | dipeptide; L-aminoacyl-L-amino acid zwitterion | human blood serum metabolite; Mycoplasma genitalium metabolite |
histidylhistidine histidylhistidine: RN given for L-,L-isomer | 2.03 | 1 | 0 | dipeptide | Mycoplasma genitalium metabolite |
valylleucine valylleucine: RN given refers to all L-isomer. Val-Leu : A dipeptide formed from L-valine and L-leucine residues. | 2.38 | 2 | 0 | dipeptide | metabolite |
phenylalanyl-valine Val-Phe : A dipeptide formed from L-valine and L-phenylalanine residues. | 2.42 | 2 | 0 | dipeptide | metabolite |
alanylglycine [no description available] | 2.38 | 2 | 0 | dipeptide zwitterion; dipeptide | metabolite |
valyltyrosine valyltyrosine: from sardine muscle hydrolyzate. Val-Tyr : A dipeptide formed from L-valine and L-tyrosine residues. | 2.42 | 2 | 0 | dipeptide | metabolite |
alpha-glutamyltryptophan Trp-Glu : A dipeptide formed from L-tryptophan and L-glutamic acid residues. | 2.38 | 2 | 0 | dipeptide | metabolite |
lysylglutamic acid lysylglutamic acid: a geroprotective agent. Lys-Glu : A dipeptide formed from L-lysine and L-glutamic acid residues. | 2.03 | 1 | 0 | dipeptide | metabolite |
Ala-Lys Ala-Lys : A dipeptide obtained by formal condensation of the carboxy group of L-alanine with the alpha-amino group of L-lysine. | 2.03 | 1 | 0 | dipeptide | marine metabolite |
valyl-valyl-valine [no description available] | 2.03 | 1 | 0 | peptide | |
phenylalanylproline Phe-Pro : A dipeptide formed from L-phenylalanine and L-proline residues. | 2.41 | 2 | 0 | dipeptide | metabolite |
lysylglycine lysylglycine: structure in first source. Lys-Gly : A dipeptide formed from L-lysine and glycine residues. | 2.69 | 3 | 0 | dipeptide | metabolite |
glycylhistidine glycylhistidine: RN given refers to (L)-isomer. Gly-His : A dipeptide composed of glycine and L-histidine joined by a peptide linkage. | 2.69 | 3 | 0 | dipeptide zwitterion; dipeptide | metabolite |
prolylisoleucine prolylisoleucine: RN refers to (L)-isomer. Pro-Ile : A dipeptide formed from L-proline and L-isoleucine residues. | 1.97 | 1 | 0 | dipeptide | metabolite |
isoleucyl-tyrosine isoleucyl-tyrosine: a dipeptide with antihypertensive effect. Ile-Tyr : A dipeptide formed from L-isoleucine and L-tyrosine residues. | 2.42 | 2 | 0 | dipeptide | metabolite |
prolyl-serine Pro-Ser : A dipeptide formed from L-proline and L-serine residues. | 2.03 | 1 | 0 | dipeptide | metabolite |
prolylvaline Val-Pro : A dipeptide formed from L-valine and L-proline residues. | 2.42 | 2 | 0 | dipeptide | metabolite |
prolyl-proline Pro-Pro : A dipeptide formed from two L-proline residues. | 2.03 | 1 | 0 | dipeptide | human urinary metabolite; Mycoplasma genitalium metabolite |
dihydrofolate dihydrofolic acid : A folic acid derivative acted upon by dihydrofolate reductase to produce tetrahydrofolic acid. It interacts with bacteria during cell division and is targeted by various drugs to prevent nucleic acid synthesis. | 2 | 1 | 0 | dihydrofolic acids | Escherichia coli metabolite; mouse metabolite |
folic acid folcysteine: used to promote fertility in chickens. vitamin B9 : Any B-vitamin that exhibits biological activity against vitamin B9 deficiency. Vitamin B9 refers to the many forms of folic acid and its derivatives, including tetrahydrofolic acid (the active form), methyltetrahydrofolate (the primary form found in blood), methenyltetrahydrofolate, folinic acid amongst others. They are present in abundance in green leafy vegetables, citrus fruits, and animal products. Lack of vitamin B9 leads to anemia, a condition in which the body cannot produce sufficient number of red blood cells. Symptoms of vitamin B9 deficiency include fatigue, muscle weakness, and pale skin. | 2 | 1 | 0 | folic acids; N-acyl-amino acid | human metabolite; mouse metabolite; nutrient |