phosphoserine
Phosphoserine: The phosphoric acid ester of serine. | 2.08 | 1 | 0 | non-proteinogenic alpha-amino acid;
O-phosphoamino acid;
serine derivative | 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. | 2.31 | 1 | 0 | amino acid zwitterion;
gamma-amino acid;
monocarboxylic acid | human metabolite;
neurotransmitter;
Saccharomyces cerevisiae metabolite;
signalling molecule |
ammonium hydroxide
azane : Saturated acyclic nitrogen hydrides having the general formula NnHn+2. | 1.95 | 1 | 0 | azane;
gas molecular entity;
mononuclear parent hydride | EC 3.5.1.4 (amidase) inhibitor;
metabolite;
mouse metabolite;
neurotoxin;
NMR chemical shift reference compound;
nucleophilic reagent;
refrigerant |
2-aminoadipic acid
2-Aminoadipic Acid: A metabolite in the principal biochemical pathway of lysine. It antagonizes neuroexcitatory activity modulated by the glutamate receptor, N-METHYL-D-ASPARTATE; (NMDA).. 2-aminoadipic acid : An alpha-amino acid that is adipic acid bearing a single amino substituent at position 2. An intermediate in the formation of lysine. | 1.96 | 1 | 0 | amino dicarboxylic acid;
dicarboxylic fatty acid;
non-proteinogenic alpha-amino acid | Caenorhabditis elegans metabolite;
mammalian metabolite |
phthalic acid
phthalic acid: RN given refers to parent cpd; structure in Merck Index, 9th ed, #7178. phthalic acid : A benzenedicarboxylic acid cosisting of two carboxy groups at ortho positions. | 1.96 | 1 | 0 | benzenedicarboxylic acid | human xenobiotic metabolite |
pyridoxal phosphate
Pyridoxal Phosphate: This is the active form of VITAMIN B 6 serving as a coenzyme for synthesis of amino acids, neurotransmitters (serotonin, norepinephrine), sphingolipids, aminolevulinic acid. During transamination of amino acids, pyridoxal phosphate is transiently converted into pyridoxamine phosphate (PYRIDOXAMINE).. pyridoxal 5'-phosphate : The monophosphate ester obtained by condensation of phosphoric acid with the primary hydroxy group of pyridoxal. | 2 | 1 | 0 | methylpyridines;
monohydroxypyridine;
pyridinecarbaldehyde;
vitamin B6 phosphate | coenzyme;
cofactor;
EC 2.7.7.7 (DNA-directed DNA polymerase) inhibitor;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
alpha-methyl-dl-aspartate
2-methylaspartic acid: RN given refers to cpd without isomeric designation | 2.02 | 1 | 0 | | |
4-methylglutamic acid
4-methylglutamic acid : A glutamic acid derivative that is glutamic acid substituted by a methyl group at position 4. | 2 | 1 | 0 | amino dicarboxylic acid;
glutamic acid derivative | |
3-hydroxyaspartic acid
3-hydroxyaspartic acid: RN given refers to cpd without isomeric designation. 3-hydroxyaspartic acid : A hydroxy-amino acid that is aspartic acid in which one of the methylene hydrogens has been replaced by a hydroxy group. | 1.99 | 1 | 0 | amino dicarboxylic acid;
aspartic acid derivative;
C4-dicarboxylic acid;
hydroxy-amino acid | |
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. | 2.41 | 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. | 2.65 | 3 | 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 |
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. | 2.08 | 1 | 0 | amino acid zwitterion;
histidine;
L-alpha-amino acid;
polar amino acid zwitterion;
proteinogenic amino acid | algal metabolite;
Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
Saccharomyces cerevisiae metabolite |
arginine
Arginine: An essential amino acid that is physiologically active in the L-form.. arginine : An alpha-amino acid that is glycine in which the alpha-is substituted by a 3-guanidinopropyl group. | 2.08 | 1 | 0 | arginine;
glutamine family amino acid;
L-alpha-amino acid;
proteinogenic amino acid | biomarker;
Escherichia coli metabolite;
micronutrient;
mouse metabolite;
nutraceutical |
isoprene
isoprene: used in manufacture of ''synthetic'' rubber, butyl rubber; copolymer in production of elastomers; structure. isoprene : A hemiterpene with the formula CH2=C(CH3)CH=CH2; the monomer of natural rubber and a common structure motif to the isoprenoids, a large class of other naturally occurring compounds. | 2.03 | 1 | 0 | alkadiene;
hemiterpene;
volatile organic compound | plant metabolite |
pentane
Pentanes: Five-carbon saturated hydrocarbon group of the methane series. Include isomers and derivatives.. pentane : A straight chain alkane consisting of 5 carbon atoms. | 2.03 | 1 | 0 | alkane;
volatile organic compound | non-polar solvent;
refrigerant |
kainic acid
Kainic Acid: (2S-(2 alpha,3 beta,4 beta))-2-Carboxy-4-(1-methylethenyl)-3-pyrrolidineacetic acid. Ascaricide obtained from the red alga Digenea simplex. It is a potent excitatory amino acid agonist at some types of excitatory amino acid receptors and has been used to discriminate among receptor types. Like many excitatory amino acid agonists it can cause neurotoxicity and has been used experimentally for that purpose. | 1.99 | 1 | 0 | dicarboxylic acid;
L-proline derivative;
non-proteinogenic L-alpha-amino acid;
pyrrolidinecarboxylic acid | antinematodal drug;
excitatory amino acid agonist |
methionine sulfoximine
methionine sulfoximine : A non-proteinogenic alpha-amino acid that is the sulfoximine derivative of methionine . | 1.95 | 1 | 0 | methionine derivative;
non-proteinogenic alpha-amino acid;
sulfoximide | |
n-methylaspartate
N-Methylaspartate: An amino acid that, as the D-isomer, is the defining agonist for the NMDA receptor subtype of glutamate receptors (RECEPTORS, NMDA).. N-methyl-D-aspartic acid : An aspartic acid derivative having an N-methyl substituent and D-configuration. | 2.02 | 1 | 0 | amino dicarboxylic acid;
D-alpha-amino acid;
D-aspartic acid derivative;
secondary amino compound | neurotransmitter agent |
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. | 2.89 | 4 | 0 | glutamic acid;
glutamine family amino acid;
L-alpha-amino acid;
proteinogenic amino acid | Escherichia coli metabolite;
ferroptosis inducer;
micronutrient;
mouse metabolite;
neurotransmitter;
nutraceutical |
quisqualic acid
Quisqualic Acid: An agonist at two subsets of excitatory amino acid receptors, ionotropic receptors that directly control membrane channels and metabotropic receptors that indirectly mediate calcium mobilization from intracellular stores. The compound is obtained from the seeds and fruit of Quisqualis chinensis. | 2 | 1 | 0 | non-proteinogenic alpha-amino acid | |
1-amino-1,3-dicarboxycyclopentane, (trans)-isomer
[no description available] | 2 | 1 | 0 | | |
fibrinogen
Fibrinogen: Plasma glycoprotein clotted by thrombin, composed of a dimer of three non-identical pairs of polypeptide chains (alpha, beta, gamma) held together by disulfide bonds. Fibrinogen clotting is a sol-gel change involving complex molecular arrangements: whereas fibrinogen is cleaved by thrombin to form polypeptides A and B, the proteolytic action of other enzymes yields different fibrinogen degradation products.. D-iditol : The D-enantiomer of iditol. | 2.15 | 1 | 0 | iditol | fungal metabolite |
sym 2081
[no description available] | 2 | 1 | 0 | | |
4-methyleneglutamic acid
4-methyleneglutamic acid: RN given refers to (DL-Glu)-isomer | 2 | 1 | 0 | non-proteinogenic alpha-amino acid | |
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. | 1.96 | 1 | 0 | cobalt group element atom;
metal allergen | micronutrient |
1-amino-1,3-dicarboxycyclopentane
1-amino-1,3-dicarboxycyclopentane: RN given refers to (cis)-isomer | 2 | 1 | 0 | | |
dihydrokainate
[no description available] | 1.99 | 1 | 0 | dicarboxylic acid | |
azetidine-2,4-dicarboxylic acid
azetidine-2,4-dicarboxylic acid: activates neuronal metabotropic receptors; RN given refers to (trans-isomer); RN for cpd without isomeric designation not avail 10/93 | 2 | 1 | 0 | | |
eglumetad
eglumetad: LY-354740 is the active isomer, LY-366563 is the inactive isomer, and LY 314582 is the racemate; structure given in first source | 2 | 1 | 0 | L-alpha-amino acid | |
fibrin
Fibrin: A protein derived from FIBRINOGEN in the presence of THROMBIN, which forms part of the blood clot. | 2.15 | 1 | 0 | peptide | |
3,5-dihydroxyphenylglycine
(S)-3,5-dihydroxyphenylglycine : A glycine derivative that is L-alpha-phenylglycine substituted at positions 3 and 5 on the phenyl ring by hydroxy groups. | 2 | 1 | 0 | amino acid zwitterion;
non-proteinogenic L-alpha-amino acid;
resorcinols | |
phorbol-12,13-didecanoate
phorbol-12,13-didecanoate: RN given refers to (1aR-(1a alpha,1b beta,4a beta,7a alpha,7b alpha,8 alpha,9 beta,9a alpha))-isomer | 1.99 | 1 | 0 | | |
isopropyl thiogalactoside
Isopropyl Thiogalactoside: A non-metabolizable galactose analog that induces expression of the LAC OPERON.. isopropyl beta-D-thiogalactopyranoside : An S-glycosyl compound consisting of beta-D-1-thiogalactose having an isopropyl group attached to the anomeric sulfur. | 1.97 | 1 | 0 | S-glycosyl compound | |
homoquinolinic acid
homoquinolinic acid: structure given in first source | 1.96 | 1 | 0 | | |
4-methylglutamic acid, threo-(l)-isomer
[no description available] | 2 | 1 | 0 | | |
l-2-(carboxypropyl)glycine
[no description available] | 2 | 1 | 0 | | |
2-(2,3-dicarboxycyclopropyl)glycine
[no description available] | 2 | 1 | 0 | | |
2r,4r-4-aminopyrrolidine-2,4-dicarboxylate
[no description available] | 2 | 1 | 0 | pyrrolidinedicarboxylic acid | |
upf 596
UPF 596: structure in first source | 2 | 1 | 0 | | |
4-carboxy-3-hydroxyphenylglycine
[no description available] | 2 | 1 | 0 | | |
silicon
Silicon: A trace element that constitutes about 27.6% of the earth's crust in the form of SILICON DIOXIDE. It does not occur free in nature. Silicon has the atomic symbol Si, atomic number 14, and atomic weight [28.084; 28.086]. | 2.15 | 1 | 0 | carbon group element atom;
metalloid atom;
nonmetal atom | |
1-amino-1,3-dicarboxycyclopentane, cis-(1s,3s)-isomer
[no description available] | 2 | 1 | 0 | | |
1-aminocyclopentane-1,3,4-tricarboxylic acid
1-aminocyclopentane-1,3,4-tricarboxylic acid: metabolic glutamate receptor (mGluR) antagonist; structure in first source | 2 | 1 | 0 | | |
staurosporine
staurosporinium : Conjugate acid of staurosporine. | 1.99 | 1 | 0 | ammonium ion derivative | |