Substance | Relationship Strength | Studies | Trials | Classes | Roles |
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 |
hydroxylamine amino alcohol : An alcohol containing an amino functional group in addition to the alcohol-defining hydroxy group. | 2 | 1 | 0 | hydroxylamines | algal metabolite; bacterial xenobiotic metabolite; EC 1.1.3.13 (alcohol oxidase) inhibitor; EC 4.2.1.22 (cystathionine beta-synthase) inhibitor; EC 4.3.1.10 (serine-sulfate ammonia-lyase) inhibitor; nitric oxide donor; nucleophilic reagent |
nitrates Nitrates: Inorganic or organic salts and esters of nitric acid. These compounds contain the NO3- radical. | 2 | 1 | 0 | monovalent inorganic anion; nitrogen oxoanion; reactive nitrogen species | |
mercaptoethanol Mercaptoethanol: A water-soluble thiol derived from hydrogen sulfide and ethanol. It is used as a reducing agent for disulfide bonds and to protect sulfhydryl groups from oxidation. | 1.99 | 1 | 0 | alkanethiol; primary alcohol | geroprotector |
verapamil Verapamil: A calcium channel blocker that is a class IV anti-arrhythmia agent.. verapamil : A racemate comprising equimolar amounts of dexverapamil and (S)-verapamil. An L-type calcium channel blocker of the phenylalkylamine class, it is used (particularly as the hydrochloride salt) in the treatment of hypertension, angina pectoris and cardiac arrhythmia, and as a preventive medication for migraine.. 2-(3,4-dimethoxyphenyl)-5-{[2-(3,4-dimethoxyphenyl)ethyl](methyl)amino}-2-(propan-2-yl)pentanenitrile : A tertiary amino compound that is 3,4-dimethoxyphenylethylamine in which the hydrogens attached to the nitrogen are replaced by a methyl group and a 4-cyano-4-(3,4-dimethoxyphenyl)-5-methylhexyl group. | 2.01 | 1 | 0 | aromatic ether; nitrile; polyether; tertiary amino compound | |
nicardipine Nicardipine: A potent calcium channel blockader with marked vasodilator action. It has antihypertensive properties and is effective in the treatment of angina and coronary spasms without showing cardiodepressant effects. It has also been used in the treatment of asthma and enhances the action of specific antineoplastic agents.. nicardipine : A racemate comprising equimolar amounts of (R)- and (S)-nicardipine. It is a calcium channel blocker which is used to treat hypertension.. 2-[benzyl(methyl)amino]ethyl methyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate : A dihydropyridine that is 1,4-dihydropyridine substituted by a methyl, {2-[benzyl(methyl)amino]ethoxy}carbonyl, 3-nitrophenyl, methoxycarbonyl and methyl groups at positions 2, 3, 4, 5 and 6, respectively. | 2.01 | 1 | 0 | benzenes; C-nitro compound; diester; dihydropyridine; methyl ester; tertiary amino compound | |
penicillamine Penicillamine: 3-Mercapto-D-valine. The most characteristic degradation product of the penicillin antibiotics. It is used as an antirheumatic and as a chelating agent in Wilson's disease.. penicillamine : An alpha-amino acid having the structure of valine substituted at the beta position with a sulfanyl group. | 2.41 | 2 | 0 | non-proteinogenic alpha-amino acid; penicillamine | antirheumatic drug; chelator; copper chelator; drug allergen |
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. | 2.03 | 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 |
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. | 3.1 | 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 |
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. | 2.44 | 2 | 0 | arginine; glutamine family amino acid; L-alpha-amino acid; proteinogenic amino acid | biomarker; Escherichia coli metabolite; micronutrient; mouse metabolite; nutraceutical |
diethanolamine diethanolamine: RN given refers to parent cpd. diethanolamine : A member of the class of ethanolamines that is ethanolamine having a N-hydroxyethyl substituent. | 2 | 1 | 0 | ethanolamines | human xenobiotic metabolite |
citrulline citrulline : The parent compound of the citrulline class consisting of ornithine having a carbamoyl group at the N(5)-position. | 2.03 | 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 |
acetylcysteine N-acetyl-L-cysteine : An N-acetyl-L-amino acid that is the N-acetylated derivative of the natural amino acid L-cysteine. | 2 | 1 | 0 | acetylcysteine; L-cysteine derivative; N-acetyl-L-amino acid | antidote to paracetamol poisoning; antiinfective agent; antioxidant; antiviral drug; ferroptosis inhibitor; geroprotector; human metabolite; mucolytic; radical scavenger; vulnerary |
peroxynitric acid [no description available] | 2 | 1 | 0 | nitrogen oxoacid | |
homocysteine Homocysteine: A thiol-containing amino acid formed by a demethylation of METHIONINE.. homocysteine : A sulfur-containing amino acid consisting of a glycine core with a 2-mercaptoethyl side-chain.. L-homocysteine : A homocysteine that has L configuration. | 6.45 | 18 | 0 | amino acid zwitterion; homocysteine; serine family amino acid | fundamental metabolite; mouse metabolite |
s-nitrosoglutathione [no description available] | 2.41 | 2 | 0 | glutathione derivative; nitrosothio compound | bronchodilator agent; nitric oxide donor; platelet aggregation inhibitor; signalling molecule |
s-methylthiocitrulline S-methylthiocitrulline: a nitric oxide synthase inhibitor; structure in first source. S-methyl-L-thiocitrulline : An L-arginine derivative in which the guanidino NH2 group of L-arginine is replaced by a methylsufanyl group. | 2.03 | 1 | 0 | imidothiocarbamic ester; L-arginine derivative; L-ornithine derivative; non-proteinogenic L-alpha-amino acid | EC 1.14.13.39 (nitric oxide synthase) inhibitor; neuroprotective agent |
s-nitrosomercaptoethanol S-nitrosomercaptoethanol: A sulfur-containing alkyl thionitrite that is a nitric oxide donor. It is an anti-infective agent and inhibits Bacillus cereus spore outgrowth. | 1.99 | 1 | 0 | | |
s-nitroso-n-acetylcysteine S-nitroso-N-acetylcysteine: activates bovine coronary arterial & rat hepatic soluble guanylate cyclase; RN given refers to (L)-isomer | 2 | 1 | 0 | | |
n,n-dimethylarginine N,N-dimethylarginine: asymmetric dimethylarginine; do not confuse with N,N'-dimethylarginine. N(omega),N(omega)-dimethyl-L-arginine : A L-arginine derivative having two methyl groups both attached to the primary amino moiety of the guanidino group. | 2.03 | 1 | 0 | dimethylarginine; guanidines; L-arginine derivative; non-proteinogenic L-alpha-amino acid | EC 1.14.13.39 (nitric oxide synthase) inhibitor |
omega-n-methylarginine omega-N-Methylarginine: A competitive inhibitor of nitric oxide synthetase.. N(omega)-methyl-L-arginine : A L-arginine derivative with a N(omega)-methyl substituent. | 2.03 | 1 | 0 | amino acid zwitterion; arginine derivative; guanidines; L-arginine derivative; non-proteinogenic L-alpha-amino acid | |
triiodothyronine L-homocysteine thiolactone : A thiolactone arising from formal condensation of the mercapto (sulfanyl) and carboxylic acid groups of L-homocysteine. | 4.65 | 3 | 0 | tetrahydrothiophenes; thiolactone | human metabolite |
thromboxane a2 Thromboxane A2: An unstable intermediate between the prostaglandin endoperoxides and thromboxane B2. The compound has a bicyclic oxaneoxetane structure. It is a potent inducer of platelet aggregation and causes vasoconstriction. It is the principal component of rabbit aorta contracting substance (RCS).. thromboxane A2 : A thromboxane which is produced by activated platelets and has prothrombotic properties: it stimulates activation of new platelets as well as increases platelet aggregation. | 3.1 | 1 | 0 | epoxy monocarboxylic acid; thromboxanes A | mouse metabolite |
sulfur Sulfur: An element that is a member of the chalcogen family. It has an atomic symbol S, atomic number 16, and atomic weight [32.059; 32.076]. It is found in the amino acids cysteine and methionine. | 2 | 1 | 0 | chalcogen; nonmetal atom | macronutrient |
cysteine Cysteine: A thiol-containing non-essential amino acid that is oxidized to form CYSTINE.. L-cysteinium : The L-enantiomer of cysteinium.. cysteine : A sulfur-containing amino acid that is propanoic acid with an amino group at position 2 and a sulfanyl group at position 3. | 3.26 | 6 | 0 | cysteinium | fundamental metabolite |
s-nitroso-n-acetylpenicillamine S-Nitroso-N-Acetylpenicillamine: A sulfur-containing alkyl thionitrite that is one of the NITRIC OXIDE DONORS. | 2 | 1 | 0 | nitroso compound; nitrosothio compound | nitric oxide donor; vasodilator agent |
s-nitrosocysteine S-nitrosocysteine: A sulfur-containing alkyl thionitrite that is a nitric oxide donor.. S-nitroso-L-cysteine : An L-cysteine derivative in which the sulfur atom carries a nitroso substituent. A cell-permeable low-molecular-weight nitrosothiol and nitric oxide donor. | 3.1 | 5 | 0 | L-cysteine derivative; nitrosothio compound | hematologic agent; platelet aggregation inhibitor; vasodilator agent |
s-nitrosocysteinylglycine S-nitrosocysteinylglycine: nitric oxide adduct; found in the rat brain. S-nitroso-L-cysteinylglycine : A dipeptide resulting from the formal condensation of the carboxylic acid group of S-nitroso-L-cysteine with the amino group of glycine. | 2 | 1 | 0 | dipeptide; nitroso compound; nitrosothio compound | |
calcimycin Calcimycin: An ionophorous, polyether antibiotic from Streptomyces chartreusensis. It binds and transports CALCIUM and other divalent cations across membranes and uncouples oxidative phosphorylation while inhibiting ATPase of rat liver mitochondria. The substance is used mostly as a biochemical tool to study the role of divalent cations in various biological systems. | 1.98 | 1 | 0 | benzoxazole | |
s-nitro-n-acetylpenicillamine S-nitro-N-acetylpenicillamine: a NO donor | 2.02 | 1 | 0 | | |