alpha-ketobutyric acid
alpha-ketobutyric acid: RN given refers to parent cpd; structure. 2-oxobutanoic acid : A 2-oxo monocarboxylic acid that is the 2-oxo derivative of butanoic acid. | 1.95 | 1 | 0 | 2-oxo monocarboxylic acid;
short-chain fatty acid | |
ammonium hydroxide
azane : Saturated acyclic nitrogen hydrides having the general formula NnHn+2. | 2.39 | 2 | 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 |
alanine
[no description available] | 1.99 | 1 | 0 | alpha-amino acid;
amino acid zwitterion | fundamental metabolite |
glycine
[no description available] | 2 | 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 |
hydrogen
Hydrogen: The first chemical element in the periodic table with atomic symbol H, and atomic number 1. Protium (atomic weight 1) is by far the most common hydrogen isotope. Hydrogen also exists as the stable isotope DEUTERIUM (atomic weight 2) and the radioactive isotope TRITIUM (atomic weight 3). Hydrogen forms into a diatomic molecule at room temperature and appears as a highly flammable colorless and odorless gas.. dihydrogen : An elemental molecule consisting of two hydrogens joined by a single bond. | 2.7 | 3 | 0 | elemental hydrogen;
elemental molecule;
gas molecular entity | antioxidant;
electron donor;
food packaging gas;
fuel;
human metabolite |
thymine
[no description available] | 6.93 | 1 | 0 | pyrimidine nucleobase;
pyrimidone | Escherichia coli metabolite;
human metabolite;
mouse metabolite |
serine
Serine: A non-essential amino acid occurring in natural form as the L-isomer. It is synthesized from GLYCINE or THREONINE. It is involved in the biosynthesis of PURINES; PYRIMIDINES; and other amino acids.. serine : An alpha-amino acid that is alanine substituted at position 3 by a hydroxy group. | 1.99 | 1 | 0 | L-alpha-amino acid;
proteinogenic amino acid;
serine family amino acid;
serine zwitterion;
serine | algal metabolite;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
aspartic acid
Aspartic Acid: One of the non-essential amino acids commonly occurring in the L-form. It is found in animals and plants, especially in sugar cane and sugar beets. It may be a neurotransmitter.. aspartic acid : An alpha-amino acid that consists of succinic acid bearing a single alpha-amino substituent. L-aspartic acid : The L-enantiomer of aspartic acid. | 4 | 14 | 0 | aspartate family amino acid;
aspartic acid;
L-alpha-amino acid;
proteinogenic amino acid | Escherichia coli metabolite;
mouse metabolite;
neurotransmitter |
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. | 2.01 | 1 | 0 | aspartate family amino acid;
L-alpha-amino acid zwitterion;
L-alpha-amino acid;
lysine;
organic molecular entity;
proteinogenic amino acid | algal metabolite;
anticonvulsant;
Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
plant metabolite;
Saccharomyces cerevisiae metabolite |
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. | 1.99 | 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 |
pyrimidine
pyrimidine : The parent compound of the pyrimidines; a diazine having the two nitrogens at the 1- and 3-positions. | 6.93 | 1 | 0 | diazine;
pyrimidines | Daphnia magna metabolite |
homoserine
homoserine : An alpha-amino acid that is glycine substituted at the alpha-position by a 2-hydroxyethyl group.. L-homoserine : The L-enantiomer of homoserine. | 1.99 | 1 | 0 | amino acid zwitterion;
homoserine | algal metabolite;
Escherichia coli metabolite;
human metabolite;
Saccharomyces cerevisiae metabolite |
1,2-epoxy-3-(p-nitrophenoxy)propane
1,2-epoxy-3-(p-nitrophenoxy)propane: a protease inhibitor. 1,2-epoxy-3-(4-nitrophenoxy)propane : An epoxide that is oxirane substituted by a (4-nitrophenoxy)methyl group. | 2 | 1 | 0 | aromatic ether;
C-nitro compound;
epoxide | |
deuterium
Deuterium: The stable isotope of hydrogen. It has one neutron and one proton in the nucleus. | 2.05 | 1 | 0 | dihydrogen | |
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. | 2.69 | 3 | 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. | 1.99 | 1 | 0 | 2-aminopentanoic acid;
L-alpha-amino acid zwitterion | bacterial metabolite;
hypoglycemic agent;
neuroprotective agent |
beta-n-methylamino-l-alanine
beta-N-methylamino-L-alanine: glutamate agonist. L-BMAA : A non-proteinogenic L-alpha-amino acid that is L-alanine in which one of the methyl hydrogens is replaced by a methylamino group. A non-proteinogenic amino acid produced by cyanobacteria, it is a neurotoxin that has been postulated as a possible cause of neurodegenerative disorders of aging such as Alzheimer's disease, amyotrophic lateral sclerosis, and the amyotrophic lateral sclerosis/parkinsonism-dementia complex (ALS-PDC) syndrome of Guam. | 1.99 | 1 | 0 | diamino acid;
L-alanine derivative;
non-proteinogenic L-alpha-amino acid;
secondary amino compound | bacterial metabolite;
neurotoxin |
5'-deoxyadenosine
5'-deoxyadenosine: main heading DEOXYADENOSINE refers to the 3' cpd. 5'-deoxyadenosine : A 5'-deoxyribonucleoside compound having adenosine as the nucleobase. | 2.43 | 2 | 0 | 5'-deoxyribonucleoside;
adenosines | Escherichia coli metabolite;
human metabolite;
mouse metabolite |
nitrophenols
Nitrophenols: PHENOLS carrying nitro group substituents. | 2 | 1 | 0 | | |
cobamamide
cobamamide : A member of the class of cobalamins that is vitamin B12 in which the cyano group is replaced by a 5'-deoxyadenos-5'-yl moiety. It is one of the two metabolically active form of vitamin B12. | 2.43 | 2 | 0 | | |