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 |
pipecolic acid pipecolic acid: RN given refers to cpd without isomeric designation. pipecolic acid : A piperidinemonocarboxylic acid in which the carboxy group is located at position C-2.. pipecolate : A piperidinecarboxylate that is the conjugate base of pipecolic acid. | 2.05 | 1 | 0 | piperidinemonocarboxylic acid | |
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. | 1.98 | 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 |
taurine [no description available] | 2.05 | 1 | 0 | amino sulfonic acid; zwitterion | antioxidant; Escherichia coli metabolite; glycine receptor agonist; human metabolite; mouse metabolite; nutrient; radical scavenger; 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 |
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. | 2.4 | 2 | 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. | 2.4 | 2 | 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. | 2.4 | 2 | 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. | 2.69 | 3 | 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. | 2.68 | 3 | 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. | 2.4 | 2 | 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. | 2.4 | 2 | 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. | 2.4 | 2 | 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. | 2.4 | 2 | 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 |
trehalose alpha,alpha-trehalose : A trehalose in which both glucose residues have alpha-configuration at the anomeric carbon. | 2.63 | 2 | 0 | trehalose | Escherichia coli metabolite; geroprotector; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
citrulline citrulline : The parent compound of the citrulline class consisting of ornithine having a carbamoyl group at the N(5)-position. | 2.05 | 1 | 0 | amino acid zwitterion; citrulline | Daphnia magna metabolite; EC 1.14.13.39 (nitric oxide synthase) inhibitor; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; plant metabolite; protective agent; Saccharomyces cerevisiae metabolite |
glycyl-glycyl-glycine glycyl-glycyl-glycine : A tripeptide in which three glycine units are linked via peptide bonds in a linear sequence. | 2.67 | 3 | 0 | tripeptide zwitterion; tripeptide | |
glycylglycine [no description available] | 2.4 | 2 | 0 | dipeptide zwitterion; dipeptide | human metabolite |
methyl vinyl sulfone [no description available] | 2.02 | 1 | 0 | | |
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 | |
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. | 2.4 | 2 | 0 | glutamic acid; glutamine family amino acid; L-alpha-amino acid; proteinogenic amino acid | Escherichia coli metabolite; ferroptosis inducer; micronutrient; mouse metabolite; neurotransmitter; nutraceutical |
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 |
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 | 2.4 | 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. | 2.4 | 2 | 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. | 2.4 | 2 | 0 | dipeptide; L-aminoacyl-L-amino acid zwitterion | human metabolite; Mycoplasma genitalium metabolite |
phenylalanylleucine phenylalanylleucine: RN given refers to (L)-isomer | 1.97 | 1 | 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. | 2.4 | 2 | 0 | dipeptide | metabolite |
tryptophan ethyl ester tryptophan ethyl ester: RN given refers to (DL)-isomer | 1.97 | 1 | 0 | | |
tyrosylleucine [no description available] | 1.97 | 1 | 0 | dipeptide | metabolite |
Trp-Trp tryptophyltryptophan: an antigelation agent. Trp-Trp : A dipeptide formed from two L-tryptophan residues. | 1.97 | 1 | 0 | dipeptide | Mycoplasma genitalium metabolite |
glycyltryptophan glycyltryptophan: RN given refers to (L)-isomer. Gly-Trp : A dipeptide formed from glycine and L-tryptophan residues. | 2.4 | 2 | 0 | dipeptide | metabolite |
glycyltyrosine Gly-Tyr : A dipeptide composed of glycine and L-tyrosine joined by a peptide linkage. | 1.97 | 1 | 0 | dipeptide | metabolite |
glycylleucine Gly-Leu : A dipeptide composed of glycine and L-leucine joined by a peptide linkage. | 2.4 | 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 | |
glycyl-l-phenylalanine glycylphenylalanine: RN given refers to (DL)-isomer. Gly-Phe : A dipeptide formed from glycine and L-phenylalanine residues. | 2.4 | 2 | 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 | 2.05 | 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. | 2.05 | 1 | 0 | dipeptide zwitterion; dipeptide | |
n-acetylphenylalanine ethyl ester N-acetylphenylalanine ethyl ester: RN given refers to (L)-isomer | 1.97 | 1 | 0 | | |
leucylleucine leucylleucine: RN given refers to (DL-Leu-DL-Leu)-isomer | 2.05 | 1 | 0 | peptide | |
alanylphenylalanine alanylphenylalanine: RN given refers to (L-Ala-L-PheAla)-isomer | 1.97 | 1 | 0 | dipeptide | metabolite |
glycyl-leucyl-tyrosine glycyl-leucyl-tyrosine: structure given in first source | 2.4 | 2 | 0 | oligopeptide | |
glycyl-glycyl-proline Gly-Gly-Pro : A tripeptide composed of glycine, glycine and L-proline amino acids joined in sequence by peptide linkages. | 2.05 | 1 | 0 | tripeptide zwitterion; tripeptide | |
glycylaspartic acid glycylaspartic acid: RN given refers to (L)-isomer | 2.05 | 1 | 0 | dipeptide | metabolite |
glycyl-histidyl-glycine [no description available] | 2.05 | 1 | 0 | oligopeptide | |
n-glycylglutamic acid N-glycylglutamic acid: RN given refers to (L)-isomer. Gly-Glu : A dipeptide formed from glycyl and L-glutamic acid residues. | 2.05 | 1 | 0 | dipeptide | metabolite |
histidylglycine histidylglycine: RN given refers to all (L)-isomer. His-Gly : A dipeptide formed from L-histidine and glycine residues. | 2.05 | 1 | 0 | dipeptide | metabolite |
valylvaline valylvaline: RN given refers to (L)-isomer. Val-Val : A dipeptide formed from two L-valine residues. | 2.4 | 2 | 0 | dipeptide | Mycoplasma genitalium metabolite |
alpha-methylphenylalanine alpha-methylphenylalanine: induces chronic hyperphenylalaninemia in suckling rats; models for the study of inborn errors of metabolism; RN given refers to parent cpd without isomeric designation | 2.05 | 1 | 0 | benzenes; monocarboxylic acid | |
tadalafil [no description available] | 2 | 1 | 0 | benzodioxoles; pyrazinopyridoindole | EC 3.1.4.35 (3',5'-cyclic-GMP phosphodiesterase) inhibitor; vasodilator agent |
prolinamide prolinamide: RN given refers to cpd without isomeric designation. L-prolinamide : The carboxamide derivative of L-proline. | 2.05 | 1 | 0 | amino acid amide; L-proline derivative; pyrrolidinecarboxamide | |
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. | 2.05 | 1 | 0 | tripeptide zwitterion; tripeptide | 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. | 2.4 | 2 | 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 |
arginylarginine 2-naphthylamide arginylarginine 2-naphthylamide: substrate for dipeptidyl peptidase III | 2.05 | 1 | 0 | | |
histidylphenylalanine His-Phe : A dipeptide obtained by formal condensation of the carboxy group of L-histidine with the amino group of L-phenylalanine. | 2.05 | 1 | 0 | dipeptide | |
prolyl-tyrosine prolyl-tyrosine: structure given in first source. Pro-Tyr : A dipeptide formed from L-proline and L-tyrosine residues. | 1.97 | 1 | 0 | dipeptide | metabolite |
glycyl-glycyl-valine [no description available] | 2.05 | 1 | 0 | oligopeptide | |
glycyl-glycyl-sarcosine glycyl-glycyl-sarcosine: structure given in first source | 2.05 | 1 | 0 | | |
leupeptins Leupeptins: A group of acylated oligopeptides produced by Actinomycetes that function as protease inhibitors. They have been known to inhibit to varying degrees trypsin, plasmin, KALLIKREINS, papain and the cathepsins. | 2.1 | 1 | 0 | | |
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. | 2.05 | 1 | 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. | 2.05 | 1 | 0 | dipeptide | Mycoplasma genitalium metabolite |
isoleucylvaline isoleucylvaline: RN given refers to all (L)-isomer. Ile-Val : A dipeptide formed from L-isoleucine and L-valine residues. | 1.97 | 1 | 0 | dipeptide | metabolite |
benzyloxycarbonylleucyl-leucyl-leucine aldehyde benzyloxycarbonylleucyl-leucyl-leucine aldehyde: proteasome inhibitor. N-benzyloxycarbonyl-L-leucyl-L-leucyl-L-leucinal : A tripeptide that is L-leucyl-L-leucyl-L-leucine in which the C-terminal carboxy group has been reduced to the corresponding aldehyde and the N-terminal amino group is protected as its benzyloxycarbonyl derivative. | 2.1 | 1 | 0 | amino aldehyde; carbamate ester; tripeptide | proteasome inhibitor |
Phe-Tyr Phe-Tyr : A dipeptide formed from L-phenylalanine and L-tyrosine residues. | 1.97 | 1 | 0 | dipeptide | metabolite |
n-acetyltryptophan N-acetyl-L-tryptophan : A N-acetyl-L-amino acid that is the N-acetyl derivative of L-tryptophan. | 2.4 | 2 | 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. | 2.05 | 1 | 0 | dipeptide | metabolite |
glycylvaline glycylvaline: RN given refers to (DL)-isomer | 2.4 | 2 | 0 | dipeptide | human metabolite |
epsilon-tert-butyloxycarbonyl-lysine epsilon-tert-butyloxycarbonyl-lysine: RN given refers to (L)-isomer | 2.05 | 1 | 0 | | |
glycylproline Gly-Pro : A dipeptide consisting of L-proline having a glycyl residue attached to its alpha-amino group. | 2.4 | 2 | 0 | dipeptide zwitterion; 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. | 1.97 | 1 | 0 | dipeptide zwitterion; dipeptide | |
tryptophanol tryptophanol: RN given refers to cpd without isomeric designation | 2.05 | 1 | 0 | | |
phenylalanylglycine phenylalanylglycine: RN given refers to (DL)-isomer. Phe-Gly : A dipeptide formed from L-phenylalanine and glycine residues. | 2.4 | 2 | 0 | dipeptide | metabolite |
leucyl-phenylalanine Leu-Phe : A dipeptide formed from L-leucine and L-phenylalanine residues. | 1.97 | 1 | 0 | dipeptide | metabolite |
glycyl-alanyl-phenylalanine [no description available] | 2.05 | 1 | 0 | oligopeptide | |
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 | |
methionylglycine methionylglycine: RN given refers to (L)-isomer. Met-Gly : A dipeptide formed from L-methionine and glycine residues. | 2.05 | 1 | 0 | dipeptide | metabolite |
phenylalanylphenylalanine Phe-Phe : A dipeptide formed from two L-phenylalanine residues. | 1.97 | 1 | 0 | dipeptide; L-aminoacyl-L-amino acid zwitterion | human blood serum metabolite; Mycoplasma genitalium metabolite |
histidylhistidine histidylhistidine: RN given for L-,L-isomer | 2.05 | 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. | 2.4 | 2 | 0 | dipeptide | metabolite |
alanylglycine [no description available] | 2.4 | 2 | 0 | dipeptide zwitterion; dipeptide | metabolite |
alpha-glutamyltryptophan Trp-Glu : A dipeptide formed from L-tryptophan and L-glutamic acid residues. | 2.4 | 2 | 0 | dipeptide | metabolite |
methionylglutamic acid Met-Glu : A dipeptide formed from L-methionine and L-glutamic acid residues. | 2.05 | 1 | 0 | dipeptide | metabolite |
phenylalanylproline Phe-Pro : A dipeptide formed from L-phenylalanine and L-proline residues. | 1.97 | 1 | 0 | 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 |
phenylalanyl-valine phenylalanyl-valine: structure in first source. Phe-Val : A dipeptide formed from L-phenylalanine and L-valine residues. | 2.05 | 1 | 0 | dipeptide | metabolite |
clasto-lactacystin beta-lactone clasto-lactacystin beta-lactone: active metabolite of lactacystin; inhibits 20 S proteasome; structure in first source | 2.1 | 1 | 0 | | |
homocarnosine homocarnosine: RN given refers to parent cpd. homocarnosine : A histidine derivative that is histidine in which one of the hydrogens attached to the alpha-amino group has been replaced by a 4-aminobutanoyl group. | 2.05 | 1 | 0 | dipeptide zwitterion; dipeptide; homocarnosine; L-histidine derivative; N-acyl-L-alpha-amino acid anion; N-acyl-L-alpha-amino acid | human metabolite |
clove Madagascar: One of the Indian Ocean Islands off the southeast coast of Africa. Its capital is Antananarivo. It was formerly called the Malagasy Republic. Discovered by the Portuguese in 1500, its history has been tied predominantly to the French, becoming a French protectorate in 1882, a French colony in 1896, and a territory within the French union in 1946. The Malagasy Republic was established in the French Community in 1958 but it achieved independence in 1960. Its name was changed to Madagascar in 1975. (From Webster's New Geographical Dictionary, 1988, p714) | 2.05 | 1 | 0 | | |
ascorbic acid Ascorbic Acid: A six carbon compound related to glucose. It is found naturally in citrus fruits and many vegetables. Ascorbic acid is an essential nutrient in human diets, and necessary to maintain connective tissue and bone. Its biologically active form, vitamin C, functions as a reducing agent and coenzyme in several metabolic pathways. Vitamin C is considered an antioxidant.. L-ascorbic acid : The L-enantiomer of ascorbic acid and conjugate acid of L-ascorbate.. L-ascorbate : The L-enantiomer of ascorbate and conjugate base of L-ascorbic acid, arising from selective deprotonation of the 3-hydroxy group. Required for a range of essential metabolic reactions in all animals and plants.. vitamin C : Any member of a group of vitamers that belong to the chemical structural class called butenolides that exhibit biological activity against vitamin C deficiency in animals. The vitamers include L-ascorbic acid and its salt, ionized and oxidized forms. | 1.99 | 1 | 0 | ascorbic acid; vitamin C | coenzyme; cofactor; flour treatment agent; food antioxidant; food colour retention agent; geroprotector; plant metabolite; skin lightening agent |