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. | 2.41 | 2 | 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 |
5-aminovaleric acid 5-aminovaleric acid: from red fox anal secretion; RN given refers to parent cpd. 5-aminopentanoic acid : A delta-amino acid comprising pentanoic acid with an amino substituent at C-5; a methylene homologue of gamma-aminobutyric acid (GABA) that is a weak GABA agonist. | 2.01 | 1 | 0 | amino acid zwitterion; delta-amino acid; omega-amino fatty acid | 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 | 2.39 | 2 | 0 | dipeptide | |
alanine [no description available] | 1.97 | 1 | 0 | alpha-amino acid; amino acid zwitterion | fundamental metabolite |
glycine [no description available] | 2.39 | 2 | 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 | |
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. | 2.4 | 2 | 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. | 2.4 | 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 |
ampicillin Ampicillin: Semi-synthetic derivative of penicillin that functions as an orally active broad-spectrum antibiotic.. ampicillin : A penicillin in which the substituent at position 6 of the penam ring is a 2-amino-2-phenylacetamido group. | 2 | 1 | 0 | beta-lactam antibiotic; penicillin allergen; penicillin | antibacterial drug |
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. | 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. | 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 |
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. | 2.92 | 4 | 0 | tripeptide zwitterion; tripeptide | |
glycylglycine [no description available] | 3.39 | 7 | 0 | dipeptide zwitterion; dipeptide | human metabolite |
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 | |
cephalexin Cephalexin: A semisynthetic cephalosporin antibiotic with antimicrobial activity similar to that of CEPHALORIDINE or CEPHALOTHIN, but somewhat less potent. It is effective against both gram-positive and gram-negative organisms.. cephalexin : A semisynthetic first-generation cephalosporin antibiotic having methyl and beta-(2R)-2-amino-2-phenylacetamido groups at the 3- and 7- of the cephem skeleton, respectively. It is effective against both Gram-negative and Gram-positive organisms, and is used for treatment of infections of the skin, respiratory tract and urinary tract. | 2 | 1 | 0 | beta-lactam antibiotic allergen; cephalosporin; semisynthetic derivative | antibacterial drug |
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 |
cephradine Cephradine: A semi-synthetic cephalosporin antibiotic.. cephradine : A first-generation cephalosporin antibiotic with a methyl substituent at position 3, and a (2R)-2-amino-2-cyclohexa-1,4-dien-1-ylacetamido substituent at position 7, of the cephem skeleton. | 2.39 | 2 | 0 | beta-lactam antibiotic allergen; cephalosporin | antibacterial drug |
cefadroxil anhydrous Cefadroxil: Long-acting, broad-spectrum, water-soluble, CEPHALEXIN derivative.. cefadroxil : A cephalosporin bearing methyl and (2R)-2-amino-2-(4-hydroxyphenyl)acetamido groups at positions 3 and 7, respectively, of the cephem skeleton. | 2 | 1 | 0 | cephalosporin | antibacterial drug |
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 | 2.68 | 3 | 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. | 2.4 | 2 | 0 | tripeptide | metabolite |
acetylleucine [no description available] | 1.97 | 1 | 0 | L-leucine derivative; N-acetyl-L-amino acid | metabolite |
ubenimex ubenimex: growth inhibitor | 2.68 | 3 | 0 | | |
leucylleucine Leu-Leu : A dipeptide formed from two L-leucine residues. | 3.1 | 5 | 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. | 2.91 | 4 | 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. | 2.4 | 2 | 0 | tripeptide | metabolite |
alanylproline alanylproline: RN given refers to all (L)-isomer | 2.01 | 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 |
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 |
glycyltyrosine Gly-Tyr : A dipeptide composed of glycine and L-tyrosine joined by a peptide linkage. | 2.91 | 4 | 0 | 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. | 2.7 | 3 | 0 | dipeptide | metabolite |
glycyl-l-phenylalanine glycylphenylalanine: RN given refers to (DL)-isomer. Gly-Phe : A dipeptide formed from glycine and L-phenylalanine residues. | 3.1 | 5 | 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. | 3.11 | 5 | 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 | 2.68 | 3 | 0 | dipeptide | metabolite |
glycyl-leucyl-tyrosine glycyl-leucyl-tyrosine: structure given in first source | 2.69 | 3 | 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 | |
tryptophylglycine Trp-Gly : A dipeptide formed from L-tryptophan and glycine residues. | 2.41 | 2 | 0 | dipeptide | metabolite |
glycylaspartic acid glycylaspartic acid: RN given refers to (L)-isomer | 3.11 | 5 | 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. | 2.71 | 3 | 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 | |
histidylglycine histidylglycine: RN given refers to all (L)-isomer. His-Gly : A dipeptide formed from L-histidine and glycine residues. | 2.71 | 3 | 0 | dipeptide | metabolite |
histidinoalanine histidinoalanine: cross-linking amino acid in calcified tissue collagen; RN given refers to (L)-isomer | 2.01 | 1 | 0 | dipeptide zwitterion; dipeptide | metabolite |
valylvaline valylvaline: RN given refers to (L)-isomer. Val-Val : A dipeptide formed from two L-valine residues. | 2.91 | 4 | 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 | |
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 |
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 |
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 |
alanylglutamic acid alanylglutamic acid: RN given refers to (L)-isomer. L-alanyl-L-glutamic acid : A dipeptide consisting of L-glutamic acid having an L-alanyl attached to its alpha-amino group | 2.01 | 1 | 0 | dipeptide | |
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 |
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 | | |
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 |
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. | 2.68 | 3 | 0 | dipeptide | metabolite |
n-valyltryptophan N-valyltryptophan: RN given refers to (L)-isomer | 2.41 | 2 | 0 | peptide | |
histidylleucine His-Leu : A dipeptide formed from L-histidine and L-leucine residues. | 1.98 | 1 | 0 | dipeptide zwitterion; dipeptide | metabolite |
glycyl-glycyl-valine [no description available] | 2.05 | 1 | 0 | oligopeptide | |
prolylglutamic acid Pro-Glu : A dipeptide formed from L-proline and L-glutamic acid residues. | 2.42 | 2 | 0 | dipeptide | metabolite |
glycyl-glycyl-sarcosine glycyl-glycyl-sarcosine: structure given in first source | 2.05 | 1 | 0 | | |
carnosine polaprezinc: stimulates bone growth | 2.69 | 3 | 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. | 2.43 | 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. | 2.44 | 2 | 0 | dipeptide | Mycoplasma genitalium metabolite |
n-formylmethionine leucyl-phenylalanine N-Formylmethionine Leucyl-Phenylalanine: A formylated tripeptide originally isolated from bacterial filtrates that is positively chemotactic to polymorphonuclear leucocytes, and causes them to release lysosomal enzymes and become metabolically activated.. N-formyl-L-methionyl-L-leucyl-L-phenylalanine : A tripeptide composed of L-Met, L-Leu and L-Phe in a linear sequence with a formyl group at the amino terminus. It acts as a potent inducer of leucocyte chemotaxis and macrophage activator as well as a ligand for the FPR receptor. | 1.99 | 1 | 0 | tripeptide | |
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 |
aspartyl-aspartic acid aspartyl-aspartic acid: do not confuse with cyclo(Asp-Asp). Asp-Asp : A dipeptide formed from two L-aspartic acid units. | 2.71 | 3 | 0 | dipeptide | Mycoplasma genitalium 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. | 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. | 2.71 | 3 | 0 | dipeptide | metabolite |
glycylvaline glycylvaline: RN given refers to (DL)-isomer | 2.68 | 3 | 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. | 3.25 | 6 | 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 |
seryl-proline Ser-Pro : A dipeptide formed from L-serine and L-proline residues. | 2.01 | 1 | 0 | dipeptide | metabolite |
7432 s Ceftibuten: A cephalosporin antibacterial agent that is used in the treatment of infections, including urinary-tract and respiratory-tract infections.. ceftibuten : A third-generation cephalosporin antibiotic with a [(2Z)-2-(2-amino-1,3-thiazol-4-yl)-4-carboxybut-2-enoyl]amino substituent at the 7 position of the cephem skeleton. An orally-administered agent, ceftibuten is used as the dihydrate to treat urinary-tract and respiratory-tract infections. | 2.39 | 2 | 0 | cephalosporin; dicarboxylic acid | antibacterial drug |
cefixime [no description available] | 1.99 | 1 | 0 | cephalosporin | antibacterial drug; drug allergen |
alanylalanine L-alanyl-L-alanine : A dipeptide consisting of two L-alanine units joined by a peptide linkage. | 2.69 | 3 | 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. | 2.42 | 2 | 0 | dipeptide zwitterion; dipeptide | metabolite |
acetylalanylalanine acetylalanylalanine: RN given refers to (D)-isomer | 2.01 | 1 | 0 | | |
alpha-aspartylalanine alpha-aspartylalanine: found in pig brain. Asp-Ala : A dipeptide formed from L-alpha-aspartyl and L-valine residues. | 2.4 | 2 | 0 | dipeptide | metabolite |
alanyltyrosine Tyr-Ala : A dipeptide formed from L-tyrosine and L-alanine residues. | 2.7 | 3 | 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. | 3.09 | 5 | 0 | dipeptide zwitterion; dipeptide | |
arginyllysine Arg-Lys : A dipeptide formed from L-arginyl and L-leucine residues. | 2.03 | 1 | 0 | dipeptide | metabolite |
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. | 3.1 | 5 | 0 | dipeptide | metabolite |
leucyl-phenylalanine Leu-Phe : A dipeptide formed from L-leucine and L-phenylalanine residues. | 2.38 | 2 | 0 | dipeptide | metabolite |
glycyl-alanyl-phenylalanine [no description available] | 2.05 | 1 | 0 | oligopeptide | |
glutamylalanine Glu-Ala : A dipeptide formed from L-alpha-glutamyl and L-alanine residues. | 2.4 | 2 | 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. | 2.41 | 2 | 0 | dipeptide | metabolite |
phenylalanylphenylalanine Phe-Phe : A dipeptide formed from two L-phenylalanine residues. | 2.68 | 3 | 0 | dipeptide; L-aminoacyl-L-amino acid zwitterion | human blood serum metabolite; Mycoplasma genitalium metabolite |
histidylhistidine histidylhistidine: RN given for L-,L-isomer | 2.44 | 2 | 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. | 2.68 | 3 | 0 | dipeptide | metabolite |
phenylalanyl-valine Val-Phe : A dipeptide formed from L-valine and L-phenylalanine residues. | 2.4 | 2 | 0 | dipeptide | metabolite |
alanylglycine [no description available] | 2.91 | 4 | 0 | dipeptide zwitterion; dipeptide | metabolite |
valyltyrosine valyltyrosine: from sardine muscle hydrolyzate. Val-Tyr : A dipeptide formed from L-valine and L-tyrosine residues. | 2.4 | 2 | 0 | dipeptide | metabolite |
alpha-glutamyltryptophan Trp-Glu : A dipeptide formed from L-tryptophan and L-glutamic acid residues. | 2.68 | 3 | 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 |
methionylglutamic acid Met-Glu : A dipeptide formed from L-methionine and L-glutamic acid residues. | 2.05 | 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. | 2.39 | 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. | 2.92 | 4 | 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 |
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 |
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 |
prolyl-serine Pro-Ser : A dipeptide formed from L-proline and L-serine residues. | 2.42 | 2 | 0 | dipeptide | metabolite |
prolylvaline Val-Pro : A dipeptide formed from L-valine and L-proline residues. | 2.4 | 2 | 0 | dipeptide | metabolite |
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 |
prolyl-proline Pro-Pro : A dipeptide formed from two L-proline residues. | 2.03 | 1 | 0 | dipeptide | human urinary metabolite; Mycoplasma genitalium 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 | | |
valacyclovir Valacyclovir: A prodrug of acyclovir that is used in the treatment of HERPES ZOSTER and HERPES SIMPLEX VIRUS INFECTION of the skin and mucous membranes, including GENITAL HERPES. | 2 | 1 | 0 | L-valyl ester | antiviral drug |
2-keto-4-methylvalerate alpha-ketoisocaproic acid: RN given refers to parent cpd. 4-methyl-2-oxopentanoate : A 2-oxo monocarboxylic acid anion that is the conjugate base of 4-methyl-2-oxopentanoic acid.. 4-methyl-2-oxopentanoic acid : A 2-oxo monocarboxylic acid that is pentanoic acid (valeric acid) substituted with a keto group at C-2 and a methyl group at C-4. A metabolite that has been found to accumulate in maple syrup urine disease. | 2.11 | 1 | 0 | 2-oxo monocarboxylic acid; branched-chain keto acid | algal metabolite; human metabolite |
gamma-aminobutyric acid gamma-Aminobutyric Acid: The most common inhibitory neurotransmitter in the central nervous system.. gamma-aminobutyric acid : A gamma-amino acid that is butanoic acid with the amino substituent located at C-4. | 2.41 | 1 | 0 | amino acid zwitterion; gamma-amino acid; monocarboxylic acid | human metabolite; neurotransmitter; Saccharomyces cerevisiae metabolite; signalling molecule |
beta-alanine [no description available] | 1.93 | 1 | 0 | amino acid zwitterion; beta-amino acid | agonist; fundamental metabolite; human metabolite; inhibitor; neurotransmitter |
alanylalanine alanylalanine: RN given refers to (DL)-isomer | 2.25 | 1 | 0 | dipeptide | |
glycine [no description available] | 3.9 | 13 | 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 |
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. | 2.25 | 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 |
acetyl-dl-leucine acetylleucine: used for treating vestibular-related imbalance and vertigo | 2.11 | 1 | 0 | leucine derivative; N-acetyl-amino acid | |
harmaline Harmaline: A beta-carboline alkaloid isolated from seeds of PEGANUM.. harmaline : A harmala alkaloid in which the harman skeleton is methoxy-substituted at C-7 and has been reduced across the 3,4 bond. | 1.96 | 1 | 0 | harmala alkaloid | oneirogen |
penicillin g Penicillin G: A penicillin derivative commonly used in the form of its sodium or potassium salts in the treatment of a variety of infections. It is effective against most gram-positive bacteria and against gram-negative cocci. It has also been used as an experimental convulsant because of its actions on GAMMA-AMINOBUTYRIC ACID mediated synaptic transmission.. benzylpenicillin : A penicillin in which the substituent at position 6 of the penam ring is a phenylacetamido group. | 1.96 | 1 | 0 | penicillin allergen; penicillin | antibacterial drug; drug allergen; epitope |
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. | 1.96 | 1 | 0 | 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 |
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. | 2.37 | 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 |
galactose galactopyranose : The pyranose form of galactose. | 1.96 | 1 | 0 | D-galactose; galactopyranose | Escherichia coli metabolite; mouse metabolite |
edetic acid Edetic Acid: A chelating agent that sequesters a variety of polyvalent cations such as CALCIUM. It is used in pharmaceutical manufacturing and as a food additive. | 1.94 | 1 | 0 | ethylenediamine derivative; polyamino carboxylic acid; tetracarboxylic acid | anticoagulant; antidote; chelator; copper chelator; geroprotector |
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. | 4.26 | 19 | 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. | 1.96 | 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. | 1.96 | 1 | 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 |
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 |
dodecanol Dodecanol: A saturated 12-carbon fatty alcohol obtained from coconut oil fatty acids. It has a floral odor and is used in detergents, lubricating oils, and pharmaceuticals. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 5th ed). dodecanol : A fatty alcohol consisting of a hydroxy function at any position of an unbranched saturated chain of twelve carbon atoms.. dodecan-1-ol : A primary alcohol that is dodecane in which a hydrogen from one of the methyl groups is replaced by a hydroxy group. It is registered for use in apple and pear orchards as a Lepidopteran pheromone/sex attractant, used to disrupt the mating behaviour of certain moths whose larvae destroy crops. | 1.96 | 1 | 0 | dodecanol; primary alcohol | bacterial metabolite; cosmetic; insect attractant; insecticide; pheromone; plant metabolite |
diazomethane Diazomethane: A diazonium compound with the formula CH2N2.. diazomethane : The simplest diazo compound, in which a diazo group is attached to a methylene group. | 2.1 | 1 | 0 | diazo compound | alkylating agent; antineoplastic agent; carcinogenic agent; poison |
glycylglycine [no description available] | 3.04 | 5 | 0 | dipeptide zwitterion; dipeptide | human metabolite |
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. | 2.1 | 1 | 0 | 2-aminohexanoic acid; L-alpha-amino acid zwitterion; non-proteinogenic L-alpha-amino acid | |
manganese Manganese: A trace element with atomic symbol Mn, atomic number 25, and atomic weight 54.94. It is concentrated in cell mitochondria, mostly in the pituitary gland, liver, pancreas, kidney, and bone, influences the synthesis of mucopolysaccharides, stimulates hepatic synthesis of cholesterol and fatty acids, and is a cofactor in many enzymes, including arginase and alkaline phosphatase in the liver. (From AMA Drug Evaluations Annual 1992, p2035). manganese(4+) : A manganese cation that is monoatomic and has a formal charge of +4. | 1.94 | 1 | 0 | elemental manganese; manganese group element atom | Escherichia coli metabolite; micronutrient |
phenyl acetate phenyl acetate: The ester formed between phenol and acetic acid. Don't confuse with phenylacetic acid derivatives listed under PHENYLACETATES.. phenyl acetate : An acetate ester obtained by the formal condensation of phenol with acetic acid. | 2.07 | 1 | 0 | benzenes; phenyl acetates | |
cephradine Cephradine: A semi-synthetic cephalosporin antibiotic.. cephradine : A first-generation cephalosporin antibiotic with a methyl substituent at position 3, and a (2R)-2-amino-2-cyclohexa-1,4-dien-1-ylacetamido substituent at position 7, of the cephem skeleton. | 1.98 | 1 | 0 | beta-lactam antibiotic allergen; cephalosporin | antibacterial drug |
beta-hydroxyisovaleric acid 3-hydroxyisovaleric acid : A 3-hydroxy monocarboxylic acid that is isovaleric acid substituted at position 3 by a hydroxy group. Used as indicator of biotin deficiency. | 2.11 | 1 | 0 | 3-hydroxy monocarboxylic acid | human metabolite |
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. | 1.96 | 1 | 0 | tripeptide | metabolite |
ubenimex ubenimex: growth inhibitor | 1.98 | 1 | 0 | | |
2-naphthylamide naphthalene-2-carboxamide: structure in first source. naphthalene-2-carboxamide : A naphthalenecarboxamide resulting from the formal condensation of the carboxy group of 2-naphthoic acid with ammonia. | 1.94 | 1 | 0 | naphthalenecarboxamide | |
phenylalanylleucine phenylalanylleucine: RN given refers to (L)-isomer | 1.96 | 1 | 0 | dipeptide zwitterion; dipeptide | plant metabolite |
alanylglycine alanylglycine: RN given refers to (L)-isomer | 6.93 | 1 | 0 | | |
alanylproline alanylproline: RN given refers to all (L)-isomer | 1.96 | 1 | 0 | dipeptide zwitterion; dipeptide | metabolite |
glycyltryptophan glycyltryptophan: RN given refers to (L)-isomer. Gly-Trp : A dipeptide formed from glycine and L-tryptophan residues. | 1.97 | 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. | 2.69 | 3 | 0 | dipeptide zwitterion; dipeptide | human metabolite; metabolite |
glycylsarcosine glycylsarcosine : A dipeptide obtained by formal condensation of the carboxy group of glycine with the amino group of sarcosine. | 1.99 | 1 | 0 | dipeptide zwitterion; dipeptide | |
leucylleucine leucylleucine: RN given refers to (DL-Leu-DL-Leu)-isomer | 7.94 | 4 | 0 | peptide | |
alanine-beta-naphthylamide alanine-beta-naphthylamide: RN given refers to (+-)-isomer | 1.96 | 1 | 0 | | |
cobalt Cobalt: A trace element that is a component of vitamin B12. It has the atomic symbol Co, atomic number 27, and atomic weight 58.93. It is used in nuclear weapons, alloys, and pigments. Deficiency in animals leads to anemia; its excess in humans can lead to erythrocytosis.. cobalt(1+) : A monovalent inorganic cation obtained from cobalt.. cobalt atom : A cobalt group element atom that has atomic number 27. | 1.94 | 1 | 0 | cobalt group element atom; metal allergen | micronutrient |
valerates Valerates: Derivatives of valeric acid, including its salts and esters. | 2.11 | 1 | 0 | short-chain fatty acid anion; straight-chain saturated fatty acid anion | plant metabolite |
1-leucine-4-nitroanilide 1-leucine-4-nitroanilide: substrate for arylamidase; RN given refers to cpd without isomeric designation | 1.97 | 1 | 0 | | |
cortisone [no description available] | 1.96 | 1 | 0 | 11-oxo steroid; 17alpha-hydroxy steroid; 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(4) steroid; C21-steroid; glucocorticoid; primary alpha-hydroxy ketone; tertiary alpha-hydroxy ketone | human metabolite; mouse metabolite |
carnosine polaprezinc: stimulates bone growth | 2.45 | 2 | 0 | amino acid zwitterion; dipeptide | anticonvulsant; antineoplastic agent; antioxidant; Daphnia magna metabolite; geroprotector; human metabolite; mouse metabolite; neuroprotective agent |
n(alpha), n-(epsilon)-diacetyl-lysyl-alanyl-alanine [no description available] | 1.96 | 1 | 0 | | |
imidazolidines [no description available] | 2.07 | 1 | 0 | azacycloalkane; imidazolidines; saturated organic heteromonocyclic parent | |
n-glycylalanine Gly-Ala : A dipeptide formed from glycine and L-alanine residues. | 2.43 | 2 | 0 | dipeptide | metabolite |
glycylvaline glycylvaline: RN given refers to (DL)-isomer | 1.96 | 1 | 0 | dipeptide | human metabolite |
glycyllysine glycyllysine: RN given refers to (L)-isomer. Gly-Lys : A dipeptide formed from glycine and L-lysine residues. | 1.96 | 1 | 0 | dipeptide | metabolite |
phenylalanylglycine phenylalanylglycine: RN given refers to (DL)-isomer. Phe-Gly : A dipeptide formed from L-phenylalanine and glycine residues. | 1.96 | 1 | 0 | dipeptide | metabolite |
glycyl-alanyl-phenylalanine [no description available] | 2.43 | 2 | 0 | oligopeptide | |
methionylglycine methionylglycine: RN given refers to (L)-isomer. Met-Gly : A dipeptide formed from L-methionine and glycine residues. | 1.99 | 1 | 0 | dipeptide | metabolite |
prolyl-serine Pro-Ser : A dipeptide formed from L-proline and L-serine residues. | 3.11 | 3 | 0 | dipeptide | metabolite |
acid phosphatase Acid Phosphatase: An enzyme that catalyzes the conversion of an orthophosphoric monoester and water to an alcohol and orthophosphate. EC 3.1.3.2. | 1.95 | 1 | 0 | | |
ristocetin Ristocetin: An antibiotic mixture of two components, A and B, obtained from Nocardia lurida (or the same substance produced by any other means). It is no longer used clinically because of its toxicity. It causes platelet agglutination and blood coagulation and is used to assay those functions in vitro.. ristocetin : A heterodetic cyclic peptide that is produced by species of Amycolatopsis and Nocardia. | 2.21 | 1 | 0 | glycopeptide; heterodetic cyclic peptide; macrocycle; tetrasaccharide derivative | antibacterial drug; antimicrobial agent; bacterial metabolite; platelet-activating factor receptor agonist |