Leu-Phe : A dipeptide formed from L-leucine and L-phenylalanine residues. [Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res]
| ID Source | ID |
|---|---|
| PubMed CID | 6992310 |
| CHEMBL ID | 54936 |
| CHEBI ID | 73585 |
| SCHEMBL ID | 1864709 |
| MeSH ID | M0305045 |
| Synonym |
|---|
| 3063-05-6 |
| chebi:73585 , |
| CHEMBL54936 |
| leu-phe |
| AKOS010421060 |
| l-leu-l-phe |
| l-f |
| l-leucyl-l-phenylalanine |
| SCHEMBL1864709 |
| (2s)-2-[(2s)-2-amino-4-methylpentanamido]-3-phenylpropanoic acid |
| AS-58911 |
| h-leu-phe-oh |
| J-018041 |
| mfcd00063156 |
| leucyl-phenylalanine |
| 2-(2-amino-4-methyl-pentanoylamino)-3-phenyl-propionic acid |
| HY-113278 |
| CS-0059494 |
| Q27141902 |
| KFKWRHQBZQICHA-STQMWFEESA-N |
| (2s)-2-[[(2s)-2-amino-4-methylpentanoyl]amino]-3-phenylpropanoic acid |
| D95550 |
| l-phenylalanine, l-leucyl- |
| DTXSID501036415 |
| Excerpt | Reference | Relevance |
|---|---|---|
| " Pharmacokinetic investigations have shown the drug to be highly bound to blood proteins, mainly serum albumin, and to have a low brain uptake, explaining its lack of sedative effects." | ( Molecular properties and pharmacokinetic behavior of cetirizine, a zwitterionic H1-receptor antagonist. Carrupt, PA; Jolliet, P; Morin, C; Morin, D; Pagliara, A; Rihoux, JP; Testa, B; Tillement, JP; Urien, S, 1998) | 0.3 |
| Role | Description |
|---|---|
| metabolite | Any intermediate or product resulting from metabolism. The term 'metabolite' subsumes the classes commonly known as primary and secondary metabolites. |
| [role information is derived from Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res] | |
| Class | Description |
|---|---|
| dipeptide | Any molecule that contains two amino-acid residues connected by peptide linkages. |
| [compound class information is derived from Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res] | |
| Assay ID | Title | Year | Journal | Article |
|---|---|---|---|---|
| AID26548 | compound was evaluated for reverse occurs for the rate constant(log K-1) at pH 7.4 | 1998 | Journal of medicinal chemistry, Mar-12, Volume: 41, Issue:6 | Molecular properties and pharmacokinetic behavior of cetirizine, a zwitterionic H1-receptor antagonist. |
| AID26563 | compound was evaluated for rate constant of transfer (log K1) at pH 7.4 | 1998 | Journal of medicinal chemistry, Mar-12, Volume: 41, Issue:6 | Molecular properties and pharmacokinetic behavior of cetirizine, a zwitterionic H1-receptor antagonist. |
| AID26287 | Partition coefficient (logD3.0) | 1998 | Journal of medicinal chemistry, Mar-12, Volume: 41, Issue:6 | Molecular properties and pharmacokinetic behavior of cetirizine, a zwitterionic H1-receptor antagonist. |
| AID228722 | Bitter tasting threshold was expressed as log 1/T. | 1995 | Journal of medicinal chemistry, Jul-07, Volume: 38, Issue:14 | Amino acid side chain descriptors for quantitative structure-activity relationship studies of peptide analogues. |
| AID233318 | Bitter threshold value | 1987 | Journal of medicinal chemistry, Oct, Volume: 30, Issue:10 | Quantitative structure-activity relationships of the bitter thresholds of amino acids, peptides, and their derivatives. |
| AID26797 | Partition coefficient (logP) | 1987 | Journal of medicinal chemistry, Oct, Volume: 30, Issue:10 | Quantitative structure-activity relationships of the bitter thresholds of amino acids, peptides, and their derivatives. |
| [information is prepared from bioassay data collected from National Library of Medicine (NLM), extracted Dec-2023] | ||||
| Timeframe | Studies, This Drug (%) | All Drugs % |
|---|---|---|
| pre-1990 | 1 (8.33) | 18.7374 |
| 1990's | 3 (25.00) | 18.2507 |
| 2000's | 4 (33.33) | 29.6817 |
| 2010's | 3 (25.00) | 24.3611 |
| 2020's | 1 (8.33) | 2.80 |
| [information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023] | ||
| Publication Type | This drug (%) | All Drugs (%) |
|---|---|---|
| Trials | 0 (0.00%) | 5.53% |
| Reviews | 0 (0.00%) | 6.00% |
| Case Studies | 0 (0.00%) | 4.05% |
| Observational | 0 (0.00%) | 0.25% |
| Other | 12 (100.00%) | 84.16% |
| [information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023] | ||
| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|---|---|---|---|---|
| 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 |
| glycine [no description available] | 1.97 | 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 |
| phenol [no description available] | 1.99 | 1 | 0 | phenols | antiseptic drug; disinfectant; human xenobiotic metabolite; mouse metabolite |
| pyridine azine : An organonitrogen compound of general structure RCH=N-N=CHR or RR'C=N-N=CRR'. | 1.99 | 1 | 0 | azaarene; mancude organic heteromonocyclic parent; monocyclic heteroarene; pyridines | environmental contaminant; NMR chemical shift reference compound |
| urea pseudourea: clinical use; structure. isourea : A carboximidic acid that is the imidic acid tautomer of urea, H2NC(=NH)OH, and its hydrocarbyl derivatives. | 7 | 1 | 0 | isourea; monocarboxylic acid amide; one-carbon compound | Daphnia magna metabolite; Escherichia coli metabolite; fertilizer; flour treatment agent; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
| n-acetylphenylalanine N-acetylphenylalanine: RN given refers to (DL)-isomer. N-acetylphenylalanine : The N-acetyl derivative of phenylalanine. | 1.97 | 1 | 0 | N-acetyl-amino acid; phenylalanine derivative | antidepressant; metabolite |
| astemizole Astemizole: Antihistamine drug now withdrawn from the market in many countries because of rare but potentially fatal side effects.. astemizole : A piperidine compound having a 2-(4-methoxyphenyl)ethyl group at the 1-position and an N-[(4-fluorobenzyl)benzimidazol-2-yl]amino group at the 4-position. | 1.99 | 1 | 0 | benzimidazoles; piperidines | anti-allergic agent; anticoronaviral agent; H1-receptor antagonist |
| azelastine azelastine: azeptin is azelastine hydrochloride; structure; eye drop formulation effective in relieving symptoms of allergic conjunctivitis; do not confuse with 5-loxin which is an extract of Boswellia. azelastine : A phthalazine compound having an oxo substituent at the 1-position, a 1-methylazepan-4-yl group at the 2-position and a 4-chlorobenzyl substituent at the 4-position. | 1.99 | 1 | 0 | monochlorobenzenes; phthalazines; tertiary amino compound | anti-allergic agent; anti-asthmatic drug; bronchodilator agent; EC 1.13.11.34 (arachidonate 5-lipoxygenase) inhibitor; H1-receptor antagonist; platelet aggregation inhibitor |
| cetirizine Cetirizine: A potent second-generation histamine H1 antagonist that is effective in the treatment of allergic rhinitis, chronic urticaria, and pollen-induced asthma. Unlike many traditional antihistamines, it does not cause drowsiness or anticholinergic side effects.. cetirizine : A member of the class of piperazines that is piperazine in which the hydrogens attached to nitrogen are replaced by a (4-chlorophenyl)(phenyl)methyl and a 2-(carboxymethoxy)ethyl group respectively. | 1.99 | 1 | 0 | ether; monocarboxylic acid; monochlorobenzenes; piperazines | anti-allergic agent; environmental contaminant; H1-receptor antagonist; xenobiotic |
| cetyltrimethylammonium ion Cetrimonium: Cetyltrimethylammonium compound whose salts and derivatives are used primarily as topical antiseptics.. cetyltrimethylammonium ion : A quaternary ammonium ion in which the substituents on nitrogen are one hexadecyl and three methyl groups. | 2.01 | 1 | 0 | quaternary ammonium ion | |
| chlorpheniramine Chlorpheniramine: A histamine H1 antagonist used in allergic reactions, hay fever, rhinitis, urticaria, and asthma. It has also been used in veterinary applications. One of the most widely used of the classical antihistaminics, it generally causes less drowsiness and sedation than PROMETHAZINE.. chlorphenamine : A tertiary amino compound that is propylamine which is substituted at position 3 by a pyridin-2-yl group and a p-chlorophenyl group and in which the hydrogens attached to the nitrogen are replaced by methyl groups. A histamine H1 antagonist, it is used to relieve the symptoms of hay fever, rhinitis, urticaria, and asthma. | 1.99 | 1 | 0 | monochlorobenzenes; pyridines; tertiary amino compound | anti-allergic agent; antidepressant; antipruritic drug; H1-receptor antagonist; histamine antagonist; serotonin uptake inhibitor |
| ddt 1,1-bis(p-chlorophenyl)-2,2,2-trichloroethane: structure in first source | 2.05 | 1 | 0 | benzenoid aromatic compound; chlorophenylethane; monochlorobenzenes; organochlorine insecticide | bridged diphenyl acaricide; carcinogenic agent; endocrine disruptor; persistent organic pollutant |
| diphenhydramine Diphenhydramine: A histamine H1 antagonist used as an antiemetic, antitussive, for dermatoses and pruritus, for hypersensitivity reactions, as a hypnotic, an antiparkinson, and as an ingredient in common cold preparations. It has some undesired antimuscarinic and sedative effects.. diphenhydramine : An ether that is the benzhydryl ether of 2-(dimethylamino)ethanol. It is a H1-receptor antagonist used as a antipruritic and antitussive drug.. antitussive : An agent that suppresses cough. Antitussives have a central or a peripheral action on the cough reflex, or a combination of both. Compare with expectorants, which are considered to increase the volume of secretions in the respiratory tract, so facilitating their removal by ciliary action and coughing, and mucolytics, which decrease the viscosity of mucus, facilitating its removal by ciliary action and expectoration. | 1.99 | 1 | 0 | ether; tertiary amino compound | anti-allergic agent; antidyskinesia agent; antiemetic; antiparkinson drug; antipruritic drug; antitussive; H1-receptor antagonist; local anaesthetic; muscarinic antagonist; oneirogen; sedative |
| fexofenadine fexofenadine: a second generation antihistamine; metabolite of the antihistaminic drug terfenadine; structure in first source; RN refers to HCl. fexofenadine : A piperidine-based anti-histamine compound. | 1.99 | 1 | 0 | piperidines; tertiary amine | anti-allergic agent; H1-receptor antagonist |
| hydroxyzine Hydroxyzine: A histamine H1 receptor antagonist that is effective in the treatment of chronic urticaria, dermatitis, and histamine-mediated pruritus. Unlike its major metabolite CETIRIZINE, it does cause drowsiness. It is also effective as an antiemetic, for relief of anxiety and tension, and as a sedative.. hydroxyzine : A N-alkylpiperazine that is piperzine in which the nitrogens atoms are substituted by 2-(2-hydroxyethoxy)ethyl and (4-chlorophenyl)(phenyl)methyl groups respectively. | 1.99 | 1 | 0 | hydroxyether; monochlorobenzenes; N-alkylpiperazine | anticoronaviral agent; antipruritic drug; anxiolytic drug; dermatologic drug; H1-receptor antagonist |
| labetalol Labetalol: A salicylamide derivative that is a non-cardioselective blocker of BETA-ADRENERGIC RECEPTORS and ALPHA-1 ADRENERGIC RECEPTORS.. labetalol : A diastereoisomeric mixture of approximately equal amounts of all four possible stereoisomers ((R,S)-labetolol, (S,R)-labetolol, (S,S)-labetalol and (R,R)-labetalol). It is an adrenergic antagonist used to treat high blood pressure.. 2-hydroxy-5-{1-hydroxy-2-[(4-phenylbutan-2-yl)amino]ethyl}benzamide : A member of the class of benzamides that is benzamide substituted by a hydroxy group at position 2 and by a 1-hydroxy-2-[(4-phenylbutan-2-yl)amino]ethyl group at position 5. | 1.99 | 1 | 0 | benzamides; benzenes; phenols; primary carboxamide; salicylamides; secondary alcohol; secondary amino compound | |
| loratadine Loratadine: A second-generation histamine H1 receptor antagonist used in the treatment of allergic rhinitis and urticaria. Unlike most classical antihistamines (HISTAMINE H1 ANTAGONISTS) it lacks central nervous system depressing effects such as drowsiness.. loratadine : A benzocycloheptapyridine that is 6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine substituted by a chloro group at position 8 and a 1-(ethoxycarbonyl)piperidin-4-ylidene group at position 11. It is a H1-receptor antagonist commonly employed in the treatment of allergic disorders. | 1.99 | 1 | 0 | benzocycloheptapyridine; ethyl ester; N-acylpiperidine; organochlorine compound; tertiary carboxamide | anti-allergic agent; cholinergic antagonist; geroprotector; H1-receptor antagonist |
| terfenadine Terfenadine: A selective histamine H1-receptor antagonist devoid of central nervous system depressant activity. The drug was used for ALLERGY but withdrawn due to causing LONG QT SYNDROME. | 1.99 | 1 | 0 | diarylmethane | |
| 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 |
| 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. | 1.97 | 1 | 0 | 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 |
| 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. | 1.97 | 1 | 0 | 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. | 2.69 | 3 | 0 | 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. | 1.97 | 1 | 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. | 1.97 | 1 | 0 | arginine; glutamine family amino acid; L-alpha-amino acid; proteinogenic amino acid | biomarker; Escherichia coli metabolite; micronutrient; mouse metabolite; nutraceutical |
| brompheniramine Brompheniramine: Histamine H1 antagonist used in treatment of allergies, rhinitis, and urticaria.. brompheniramine : Pheniramine in which the hydrogen at position 4 of the phenyl substituent is substituted by bromine. A histamine H1 receptor antagonist, brompheniramine is used (commonly as its maleate salt) for the symptomatic relief of allergic conditions, including rhinitis and conjunctivitis. | 1.99 | 1 | 0 | organobromine compound; pyridines | anti-allergic agent; H1-receptor antagonist |
| n-methylbenzylamine N-methylbenzylamine: precursor of carcinogen benzylmethylnitrosamine; RN given refers to parent cpd | 1.99 | 1 | 0 | ||
| thiazoles [no description available] | 2.07 | 1 | 0 | 1,3-thiazoles; mancude organic heteromonocyclic parent; monocyclic heteroarene | |
| glycyl-glycyl-glycine glycyl-glycyl-glycine : A tripeptide in which three glycine units are linked via peptide bonds in a linear sequence. | 1.97 | 1 | 0 | tripeptide zwitterion; tripeptide | |
| glycylglycine [no description available] | 2.38 | 2 | 0 | dipeptide zwitterion; dipeptide | human metabolite |
| thioflavin t thioflavin T: RN given refers to chloride; structure. thioflavine T : An organic chloride salt having 2-[4-(dimethylamino)phenyl]-3,6-dimethyl-1,3-benzothiazol-3-ium as the counterion. It is widely used to visualise and quantify the presence of amyloids, both in vitro and in vivo. | 2.07 | 1 | 0 | organic chloride salt | fluorochrome; geroprotector; histological dye |
| 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 | |
| samarium Samarium: An element of the rare earth family of metals. It has the atomic symbol Sm, atomic number 62, and atomic weight 150.36. The oxide is used in the control rods of some nuclear reactors. | 2.02 | 1 | 0 | f-block element atom; lanthanoid atom | |
| tetradecanoylphorbol acetate Tetradecanoylphorbol Acetate: A phorbol ester found in CROTON OIL with very effective tumor promoting activity. It stimulates the synthesis of both DNA and RNA.. phorbol ester : Esters of phorbol, originally found in croton oil (from Croton tiglium, of the family Euphorbiaceae). A number of phorbol esters possess activity as tumour promoters and activate the mechanisms associated with cell growth. Some of these are used in experiments as activators of protein kinase C.. phorbol 13-acetate 12-myristate : A phorbol ester that is phorbol in which the hydroxy groups at the cyclopropane ring juction (position 13) and the adjacent carbon (position 12) have been converted into the corresponding acetate and myristate esters. It is a major active constituent of the seed oil of Croton tiglium. It has been used as a tumour promoting agent for skin carcinogenesis in rodents and is associated with increased cell proliferation of malignant cells. However its function is controversial since a decrease in cell proliferation has also been observed in several cancer cell types. | 2.15 | 1 | 0 | acetate ester; diester; phorbol ester; tertiary alpha-hydroxy ketone; tetradecanoate ester | antineoplastic agent; apoptosis inducer; carcinogenic agent; mitogen; plant metabolite; protein kinase C agonist; reactive oxygen species generator |
| iodine [no description available] | 2.02 | 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 |
| sodium azide Sodium Azide: A cytochrome oxidase inhibitor which is a nitridizing agent and an inhibitor of terminal oxidation. (From Merck Index, 12th ed). sodium azide : The sodium salt of hydrogen azide (hydrazoic acid). | 2.01 | 1 | 0 | inorganic sodium salt | antibacterial agent; explosive; mitochondrial respiratory-chain inhibitor; mutagen |
| 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. | 2.01 | 1 | 0 | ||
| 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 |
| carebastine carebastine: active carboxylic acid metablite of ebastine; structure given in first source | 1.99 | 1 | 0 | diarylmethane | |
| 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 | 2.38 | 2 | 0 | dipeptide | 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 |
| leucylleucine Leu-Leu : A dipeptide formed from two L-leucine residues. | 2.38 | 2 | 0 | dipeptide; L-aminoacyl-L-amino acid zwitterion | human metabolite; Mycoplasma genitalium metabolite |
| phenylalanylleucine phenylalanylleucine: RN given refers to (L)-isomer | 2.7 | 3 | 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 |
| 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. | 2.38 | 2 | 0 | dipeptide | Mycoplasma genitalium metabolite |
| glycyltryptophan glycyltryptophan: RN given refers to (L)-isomer. Gly-Trp : A dipeptide formed from glycine and L-tryptophan residues. | 2.38 | 2 | 0 | dipeptide | metabolite |
| glycyltyrosine Gly-Tyr : A dipeptide composed of glycine and L-tyrosine joined by a peptide linkage. | 2.38 | 2 | 0 | dipeptide | metabolite |
| glycylleucine Gly-Leu : A dipeptide composed of glycine and L-leucine joined by a peptide linkage. | 2.38 | 2 | 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. | 1.98 | 1 | 0 | dipeptide | metabolite |
| glycyl-l-phenylalanine glycylphenylalanine: RN given refers to (DL)-isomer. Gly-Phe : A dipeptide formed from glycine and L-phenylalanine residues. | 2.38 | 2 | 0 | dipeptide zwitterion; dipeptide | human metabolite; metabolite |
| 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 | 7.67 | 3 | 0 | dipeptide | metabolite |
| glycyl-leucyl-tyrosine glycyl-leucyl-tyrosine: structure given in first source | 1.97 | 1 | 0 | oligopeptide | |
| tryptophylglycine Trp-Gly : A dipeptide formed from L-tryptophan and glycine residues. | 1.98 | 1 | 0 | dipeptide | metabolite |
| glycylaspartic acid glycylaspartic acid: RN given refers to (L)-isomer | 1.98 | 1 | 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. | 1.98 | 1 | 0 | dipeptide | metabolite |
| histidylglycine histidylglycine: RN given refers to all (L)-isomer. His-Gly : A dipeptide formed from L-histidine and glycine residues. | 1.98 | 1 | 0 | dipeptide | metabolite |
| valylvaline valylvaline: RN given refers to (L)-isomer. Val-Val : A dipeptide formed from two L-valine residues. | 2.38 | 2 | 0 | dipeptide | Mycoplasma genitalium metabolite |
| 2-aminobicyclo(2,2,1)heptane-2-carboxylic acid 2-aminobicyclo(2,2,1)heptane-2-carboxylic acid: amino acid analog; releases insulin; RN given refers to unlabeled cpd without isomeric designation | 2.01 | 1 | 0 | monoterpenoid | |
| 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 | 1.98 | 1 | 0 | dipeptide zwitterion; dipeptide | metabolite; protective agent |
| sperm motility inhibitor 2 [no description available] | 2.02 | 1 | 0 | ||
| 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 |
| aspartylglycine Asp-Gly : A dipeptide composed of L-aspartic acid and glycine joined by a peptide linkage. | 1.98 | 1 | 0 | dipeptide | 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 | 1.98 | 1 | 0 | peptide | |
| histidylleucine His-Leu : A dipeptide formed from L-histidine and L-leucine residues. | 1.98 | 1 | 0 | dipeptide zwitterion; dipeptide | metabolite |
| ouabain Ouabain: A cardioactive glycoside consisting of rhamnose and ouabagenin, obtained from the seeds of Strophanthus gratus and other plants of the Apocynaceae; used like DIGITALIS. It is commonly used in cell biological studies as an inhibitor of the NA(+)-K(+)-EXCHANGING ATPASE.. cardiac glycoside : Steroid lactones containing sugar residues that act on the contractile force of the cardiac muscles.. ouabain : A steroid hormone that is a multi-hydroxylated alpha-L-rhamnosyl cardenoloide. It binds to and inhibits the plasma membrane Na(+)/K(+)-ATPase (sodium pump). It has been isolated naturally from Strophanthus gratus. | 2.01 | 1 | 0 | 11alpha-hydroxy steroid; 14beta-hydroxy steroid; 5beta-hydroxy steroid; alpha-L-rhamnoside; cardenolide glycoside; steroid hormone | anti-arrhythmia drug; cardiotonic drug; EC 2.3.3.1 [citrate (Si)-synthase] inhibitor; EC 3.1.3.41 (4-nitrophenylphosphatase) inhibitor; EC 3.6.3.10 (H(+)/K(+)-exchanging ATPase) inhibitor; EC 3.6.3.9 (Na(+)/K(+)-transporting ATPase) inhibitor; ion transport inhibitor; plant metabolite |
| betadex beta-Cyclodextrins: Cyclic GLUCANS consisting of seven (7) glucopyranose units linked by 1,4-glycosidic bonds. | 2 | 1 | 0 | cyclodextrin | |
| 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 |
| enkephalin, leucine Enkephalin, Leucine: One of the endogenous pentapeptides with morphine-like activity. It differs from MET-ENKEPHALIN in the LEUCINE at position 5. Its first four amino acid sequence is identical to the tetrapeptide sequence at the N-terminal of BETA-ENDORPHIN.. Leu-enkephalin : A pentapeptide comprising L-tyrosine, glycine, glycine, L-phenylalanine and L-leucine residues joined in sequence by peptide linkages. It is an endogenous opioid peptide produced in vertebrate species, including rodents, primates and humans that results from decomposition of proenkephalin or dynorphin and exhibits antinociceptive properties. | 2.01 | 1 | 0 | pentapeptide; peptide zwitterion | analgesic; delta-opioid receptor agonist; human metabolite; mu-opioid receptor agonist; neurotransmitter; rat metabolite |
| Phe-Tyr Phe-Tyr : A dipeptide formed from L-phenylalanine and L-tyrosine residues. | 2.38 | 2 | 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. | 2.39 | 2 | 0 | alpha-amino acid ester; L-phenylalanine derivative | |
| n-glycylalanine Gly-Ala : A dipeptide formed from glycine and L-alanine residues. | 1.98 | 1 | 0 | dipeptide | metabolite |
| glycylvaline glycylvaline: RN given refers to (DL)-isomer | 2.38 | 2 | 0 | dipeptide | human metabolite |
| glycylproline Gly-Pro : A dipeptide consisting of L-proline having a glycyl residue attached to its alpha-amino group. | 2.38 | 2 | 0 | dipeptide zwitterion; dipeptide | metabolite |
| glycyllysine glycyllysine: RN given refers to (L)-isomer. Gly-Lys : A dipeptide formed from glycine and L-lysine residues. | 1.98 | 1 | 0 | dipeptide | metabolite |
| sodium dodecyl sulfate Sodium Dodecyl Sulfate: An anionic surfactant, usually a mixture of sodium alkyl sulfates, mainly the lauryl; lowers surface tension of aqueous solutions; used as fat emulsifier, wetting agent, detergent in cosmetics, pharmaceuticals and toothpastes; also as research tool in protein biochemistry.. sodium dodecyl sulfate : An organic sodium salt that is the sodium salt of dodecyl hydrogen sulfate. | 2.01 | 1 | 0 | organic sodium salt | detergent; protein denaturant |
| naphthoquinones Naphthoquinones: Naphthalene rings which contain two ketone moieties in any position. They can be substituted in any position except at the ketone groups. | 2.25 | 1 | 0 | ||
| triprolidine Triprolidine: Histamine H1 antagonist used in allergic rhinitis; ASTHMA; and URTICARIA. It is a component of COUGH and COLD medicines. It may cause drowsiness.. triprolidine : An N-alkylpyrrolidine that is acrivastine in which the pyridine ring is lacking the propenoic acid substituent. It is a sedating antihistamine that is used (generally as the monohydrochloride monohydrate) for the relief of the symptoms of uticaria, rhinitis, and various pruritic skin disorders. | 1.99 | 1 | 0 | N-alkylpyrrolidine; olefinic compound; pyridines | H1-receptor antagonist |
| acrivastine acrivastine: a second generation antihistamine. acrivastine : A member of the class of pyridines that is (pyridin-2-yl)acrylic acid substituted at position 6 by a [(1E)-1-(4-methylphenyl)-3-(pyrrolidin-1-yl)prop-1-en-1-yl group. It is a non-sedating antihistamine used for treatment of hayfever, urticaria, and rhinitis. | 1.99 | 1 | 0 | alpha,beta-unsaturated monocarboxylic acid; N-alkylpyrrolidine; olefinic compound; pyridines | H1-receptor antagonist |
| alanylalanine L-alanyl-L-alanine : A dipeptide consisting of two L-alanine units joined by a peptide linkage. | 1.98 | 1 | 0 | dipeptide zwitterion; dipeptide | Mycoplasma genitalium 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. | 1.98 | 1 | 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. | 2.38 | 2 | 0 | dipeptide zwitterion; dipeptide | |
| phenylalanylglycine phenylalanylglycine: RN given refers to (DL)-isomer. Phe-Gly : A dipeptide formed from L-phenylalanine and glycine 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. | 1.98 | 1 | 0 | dipeptide | metabolite |
| phenylalanylphenylalanine Phe-Phe : A dipeptide formed from two L-phenylalanine residues. | 2.67 | 3 | 0 | dipeptide; L-aminoacyl-L-amino acid zwitterion | human blood serum metabolite; 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. | 1.98 | 1 | 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. | 1.98 | 1 | 0 | dipeptide | metabolite |
| alpha-glutamyltryptophan Trp-Glu : A dipeptide formed from L-tryptophan and L-glutamic acid residues. | 2.38 | 2 | 0 | dipeptide | metabolite |
| phenylalanylproline Phe-Pro : A dipeptide formed from L-phenylalanine and L-proline residues. | 1.97 | 1 | 0 | dipeptide | metabolite |
| lysylglycine lysylglycine: structure in first source. Lys-Gly : A dipeptide formed from L-lysine and glycine residues. | 1.98 | 1 | 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. | 1.98 | 1 | 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. | 1.98 | 1 | 0 | dipeptide | metabolite |
| prolylvaline Val-Pro : A dipeptide formed from L-valine and L-proline residues. | 1.98 | 1 | 0 | dipeptide | metabolite |
| piroxicam [no description available] | 1.99 | 1 | 0 | benzothiazine; monocarboxylic acid amide; pyridines | analgesic; antirheumatic drug; cyclooxygenase 1 inhibitor; EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; non-steroidal anti-inflammatory drug |
| pyrethrins [no description available] | 2.05 | 1 | 0 |
| Condition | Indicated | Relationship Strength | Studies | Trials |
|---|---|---|---|---|
| Sensitivity and Specificity Binary classification measures to assess test results. Sensitivity or recall rate is the proportion of true positives. Specificity is the probability of correctly determining the absence of a condition. (From Last, Dictionary of Epidemiology, 2d ed) | 0 | 2.05 | 1 | 0 |