Substance | Relationship Strength | Studies | Trials | Classes | Roles |
sulfites Sulfites: Inorganic salts of sulfurous acid.. sulfites : Any sulfurous acid derivative that is a salt or an ester of sulfurous acid.. organosulfonate oxoanion : An organic anion obtained by deprotonation of the sufonate group(s) of any organosulfonic acid.. sulfite : A sulfur oxoanion that is the conjugate base of hydrogen sulfite (H2SO3). | 6.17 | 38 | 0 | divalent inorganic anion; sulfur oxide; sulfur oxoanion | |
isoproterenol Isoproterenol: Isopropyl analog of EPINEPHRINE; beta-sympathomimetic that acts on the heart, bronchi, skeletal muscle, alimentary tract, etc. It is used mainly as bronchodilator and heart stimulant.. isoprenaline : A secondary amino compound that is noradrenaline in which one of the hydrogens attached to the nitrogen is replaced by an isopropyl group. A sympathomimetic acting almost exclusively on beta-adrenergic receptors, it is used (mainly as the hydrochloride salt) as a bronghodilator and heart stimulant for the management of a variety of cardiac disorders. | 7.53 | 2 | 0 | catechols; secondary alcohol; secondary amino compound | beta-adrenergic agonist; bronchodilator agent; cardiotonic drug; sympathomimetic agent |
ofloxacin Ofloxacin: A synthetic fluoroquinolone antibacterial agent that inhibits the supercoiling activity of bacterial DNA GYRASE, halting DNA REPLICATION.. 9-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid : An oxazinoquinoline that is 2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinolin-7-one substituted by methyl, carboxy, fluoro, and 4-methylpiperazin-1-yl groups at positions 3, 6, 9, and 10, respectively.. ofloxacin : A racemate comprising equimolar amounts of levofloxacin and dextrofloxacin. It is a synthetic fluoroquinolone antibacterial agent which inhibits the supercoiling activity of bacterial DNA gyrase, halting DNA replication. | 7.07 | 1 | 0 | 3-oxo monocarboxylic acid; N-arylpiperazine; N-methylpiperazine; organofluorine compound; oxazinoquinoline | |
hydroxyproline Hydroxyproline: A hydroxylated form of the imino acid proline. A deficiency in ASCORBIC ACID can result in impaired hydroxyproline formation.. hydroxyproline : A proline derivative that is proline substituted by at least one hydroxy group. | 2.05 | 1 | 0 | 4-hydroxyproline; L-alpha-amino acid zwitterion | human metabolite; mouse metabolite; plant metabolite |
thyroxine Thyroxine: The major hormone derived from the thyroid gland. Thyroxine is synthesized via the iodination of tyrosines (MONOIODOTYROSINE) and the coupling of iodotyrosines (DIIODOTYROSINE) in the THYROGLOBULIN. Thyroxine is released from thyroglobulin by proteolysis and secreted into the blood. Thyroxine is peripherally deiodinated to form TRIIODOTHYRONINE which exerts a broad spectrum of stimulatory effects on cell metabolism.. thyroxine : An iodothyronine compound having iodo substituents at the 3-, 3'-, 5- and 5'-positions. | 2.05 | 1 | 0 | 2-halophenol; iodophenol; L-phenylalanine derivative; non-proteinogenic L-alpha-amino acid; thyroxine zwitterion; thyroxine | antithyroid drug; human metabolite; mouse metabolite; thyroid hormone |
aldosterone [no description available] | 2.05 | 1 | 0 | 11beta-hydroxy steroid; 18-oxo steroid; 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(4) steroid; C21-steroid hormone; mineralocorticoid; primary alpha-hydroxy ketone; steroid aldehyde | human metabolite; mouse metabolite |
adenosine diphosphate Adenosine Diphosphate: Adenosine 5'-(trihydrogen diphosphate). An adenine nucleotide containing two phosphate groups esterified to the sugar moiety at the 5'-position. | 2.41 | 1 | 0 | adenosine 5'-phosphate; purine ribonucleoside 5'-diphosphate | fundamental metabolite; human 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. | 2.11 | 1 | 0 | ethylenediamine derivative; polyamino carboxylic acid; tetracarboxylic acid | anticoagulant; antidote; chelator; copper chelator; geroprotector |
adenosine monophosphate Adenosine Monophosphate: Adenine nucleotide containing one phosphate group esterified to the sugar moiety in the 2'-, 3'-, or 5'-position. | 2.41 | 1 | 0 | adenosine 5'-phosphate; purine ribonucleoside 5'-monophosphate | adenosine A1 receptor agonist; cofactor; EC 3.1.3.1 (alkaline phosphatase) inhibitor; EC 3.1.3.11 (fructose-bisphosphatase) inhibitor; fundamental metabolite; micronutrient; nutraceutical |
rhodamine b rhodamine B: RN & N1 from 9th CI Form Index; RN given refers to parent cpd; structure in Merck Index, 9th ed, #7973; TETRAETHYLRHODAMINE was see RHODAMINES 1975-93; use RHODAMINES to search TETRAETHYLRHODAMINE 1975-93. rhodamine B : An organic chloride salt having N-[9-(2-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene]-N-ethylethanaminium as the counterion. An amphoteric dye commonly used as a fluorochrome. | 2.03 | 1 | 0 | organic chloride salt; xanthene dye | fluorescent probe; fluorochrome; histological dye |
pyocyanine Pyocyanine: Antibiotic pigment produced by Pseudomonas aeruginosa.. pyocyanine : An iminium betaine that is 5-methylphenazin-5-ium which is substituted at position 1 by an oxidanidyl group. An antibiotic pigment produced by Pseudomonas aeruginosa. | 7.08 | 1 | 0 | iminium betaine; phenazines | antibacterial agent; bacterial metabolite; biological pigment; virulence factor |
undecan-2-one undecan-2-one: Insect Repellents; 2-undecanone is the active ingredient of arthropod repellent BioUD; an efficacious alternative to deet. undecan-2-one : A dialkyl ketone with methyl and nonyl as the two alkyl groups. | 2.1 | 1 | 0 | dialkyl ketone; methyl ketone | plant metabolite; rodenticide |
malondialdehyde Malondialdehyde: The dialdehyde of malonic acid.. malonaldehyde : A dialdehyde that is propane substituted by two oxo groups at the terminal carbon atoms respectively. A biomarker of oxidative damage to lipids caused by smoking, it exists in vivo mainly in the enol form. | 2.41 | 1 | 0 | dialdehyde | biomarker |
erythromycin Erythromycin: A bacteriostatic antibiotic macrolide produced by Streptomyces erythreus. Erythromycin A is considered its major active component. In sensitive organisms, it inhibits protein synthesis by binding to 50S ribosomal subunits. This binding process inhibits peptidyl transferase activity and interferes with translocation of amino acids during translation and assembly of proteins.. erythromycin : Any of several wide-spectrum macrolide antibiotics obtained from actinomycete Saccharopolyspora erythraea (formerly known as Streptomyces erythraeus).. erythromycin A : An erythromycin that consists of erythronolide A having 2,6-dideoxy-3-C-methyl-3-O-methyl-alpha-L-ribo-hexopyranosyl and 3,4,6-trideoxy-3-(dimethylamino)-beta-D-xylo-hexopyranosyl residues attahced at positions 4 and 6 respectively. | 2.52 | 2 | 0 | cyclic ketone; erythromycin | |
vancomycin Vancomycin: Antibacterial obtained from Streptomyces orientalis. It is a glycopeptide related to RISTOCETIN that inhibits bacterial cell wall assembly and is toxic to kidneys and the inner ear.. vancomycin : A complex glycopeptide from Streptomyces orientalis. It inhibits a specific step in the synthesis of the peptidoglycan layer in the Gram-positive bacteria Staphylococcus aureus and Clostridium difficile. | 2.15 | 1 | 0 | glycopeptide | antibacterial drug; antimicrobial agent; bacterial metabolite |
sodium bisulfide sodium bisulfide: RN given refers to sodium sulfide (Na(SH)); see also record for sodium sulfide (Na2S) | 2.01 | 1 | 0 | | |
captopril Captopril: A potent and specific inhibitor of PEPTIDYL-DIPEPTIDASE A. It blocks the conversion of ANGIOTENSIN I to ANGIOTENSIN II, a vasoconstrictor and important regulator of arterial blood pressure. Captopril acts to suppress the RENIN-ANGIOTENSIN SYSTEM and inhibits pressure responses to exogenous angiotensin.. captopril : A L-proline derivative in which L-proline is substituted on nitrogen with a (2S)-2-methyl-3-sulfanylpropanoyl group. It is used as an anti-hypertensive ACE inhibitor drug. | 2.05 | 1 | 0 | alkanethiol; L-proline derivative; N-acylpyrrolidine; pyrrolidinemonocarboxylic acid | antihypertensive agent; EC 3.4.15.1 (peptidyl-dipeptidase A) inhibitor |
clarithromycin Clarithromycin: A semisynthetic macrolide antibiotic derived from ERYTHROMYCIN that is active against a variety of microorganisms. It can inhibit PROTEIN SYNTHESIS in BACTERIA by reversibly binding to the 50S ribosomal subunits. This inhibits the translocation of aminoacyl transfer-RNA and prevents peptide chain elongation.. clarithromycin : The 6-O-methyl ether of erythromycin A, clarithromycin is a macrolide antibiotic used in the treatment of respiratory-tract, skin and soft-tissue infections. It is also used to eradicate Helicobacter pylori in the treatment of peptic ulcer disease. It prevents bacteria from growing by interfering with their protein synthesis. | 2.05 | 1 | 0 | macrolide antibiotic | antibacterial drug; environmental contaminant; protein synthesis inhibitor; xenobiotic |
imipenem, anhydrous Imipenem: Semisynthetic thienamycin that has a wide spectrum of antibacterial activity against gram-negative and gram-positive aerobic and anaerobic bacteria, including many multiresistant strains. It is stable to beta-lactamases. Clinical studies have demonstrated high efficacy in the treatment of infections of various body systems. Its effectiveness is enhanced when it is administered in combination with CILASTATIN, a renal dipeptidase inhibitor.. imipenem : A broad-spectrum, intravenous beta-lactam antibiotic of the carbapenem subgroup. | 2.1 | 1 | 0 | beta-lactam antibiotic allergen; carbapenems; zwitterion | antibacterial drug |
decanoyl acetaldehyde decanoyl acetaldehyde: structure | 2.05 | 1 | 0 | fatty aldehyde | |
levofloxacin Levofloxacin: The L-isomer of Ofloxacin.. levofloxacin : An optically active form of ofloxacin having (S)-configuration; an inhibitor of bacterial topoisomerase IV and DNA gyrase. | 7.46 | 2 | 0 | 9-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid; fluoroquinolone antibiotic; quinolone antibiotic | antibacterial drug; DNA synthesis inhibitor; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor; topoisomerase IV inhibitor |
angiotensin ii Giapreza: injectable form of angiotensin II used to increase blood pressure in adult patients with septic or other distributive shock. Ile(5)-angiotensin II : An angiotensin II that acts on the central nervous system (PDB entry: 1N9V). | 2.46 | 2 | 0 | amino acid zwitterion; angiotensin II | human metabolite |
epiglucan epiglucan: a highly side-chain/branched alkali-insoluble cell wall glucan from fungus such as Epicoccum nigrum, Botrytis cinerea, ascomycetes & basidiomycetes; also isolated S-4001 from Lei Wan (polyporus mylitiae), HA-beta-glucan from mushroom Pleutotus ostreatus (Fr.) Quel., and translam from seaweed Laminaria cichorioides; with commercially important functional properties including emulsification and friction reduction. | 2.31 | 1 | 0 | | |
phosphocreatine Phosphocreatine: An endogenous substance found mainly in skeletal muscle of vertebrates. It has been tried in the treatment of cardiac disorders and has been added to cardioplegic solutions. (Reynolds JEF(Ed): Martindale: The Extra Pharmacopoeia (electronic version). Micromedex, Inc, Englewood, CO, 1996). phosphagen : Any of a group of guanidine or amidine phosphates that function as storage depots for high-energy phosphate in muscle with the purpose of regenerating ATP from ADP during muscular contraction.. N-phosphocreatine : A phosphoamino acid consisting of creatine having a phospho group attached at the primary nitrogen of the guanidino group. | 2.41 | 1 | 0 | phosphagen; phosphoamino acid | human metabolite; mouse metabolite |
endothelin-1 Endothelin-1: A 21-amino acid peptide produced in a variety of tissues including endothelial and vascular smooth-muscle cells, neurons and astrocytes in the central nervous system, and endometrial cells. It acts as a modulator of vasomotor tone, cell proliferation, and hormone production. (N Eng J Med 1995;333(6):356-63) | 2.05 | 1 | 0 | | |
interleukin-8 Interleukin-8: A member of the CXC chemokine family that plays a role in the regulation of the acute inflammatory response. It is secreted by variety of cell types and induces CHEMOTAXIS of NEUTROPHILS and other inflammatory cells. | 2.41 | 1 | 0 | | |
natriuretic peptide, brain Natriuretic Peptide, Brain: A PEPTIDE that is secreted by the BRAIN and the HEART ATRIA, stored mainly in cardiac ventricular MYOCARDIUM. It can cause NATRIURESIS; DIURESIS; VASODILATION; and inhibits secretion of RENIN and ALDOSTERONE. It improves heart function. It contains 32 AMINO ACIDS. | 2.41 | 1 | 0 | polypeptide | |
toxin ii (anemonia sulcata) toxin II (Anemonia sulcata): toxic polypeptide closely related to anthopleurin A with potent cardiac stimulant activity from Anemonia sulcata; do not confuse with altertoxin II which is also abbreviated ATX II | 2.17 | 1 | 0 | | |
transforming growth factor beta Transforming Growth Factor beta: A factor synthesized in a wide variety of tissues. It acts synergistically with TGF-alpha in inducing phenotypic transformation and can also act as a negative autocrine growth factor. TGF-beta has a potential role in embryonal development, cellular differentiation, hormone secretion, and immune function. TGF-beta is found mostly as homodimer forms of separate gene products TGF-beta1, TGF-beta2 or TGF-beta3. Heterodimers composed of TGF-beta1 and 2 (TGF-beta1.2) or of TGF-beta2 and 3 (TGF-beta2.3) have been isolated. The TGF-beta proteins are synthesized as precursor proteins. | 2.6 | 1 | 0 | | |
angiotensin i Angiotensin I: A decapeptide that is cleaved from precursor angiotensinogen by RENIN. Angiotensin I has limited biological activity. It is converted to angiotensin II, a potent vasoconstrictor, after the removal of two amino acids at the C-terminal by ANGIOTENSIN CONVERTING ENZYME.. angiotensin I : A ten amino acid peptide formed by renin cleavage of angiotensinogen. Angiotensin I has no direct biological function except that high levels can stimulate catecholamine production. It is metabolized to its biologically active byproduct angiotensin II, a potent vasoconstrictor, by angiotensin converting enzyme (ACE) through cleavage of the two terminal amino acids.. angiotensin I dizwitterion : A peptide zwitterion that is the dizwitterionic form of angiotensin I having both carboxy groups deprotonated and the aspartyl amino group and arginine side-chain protonated. It is the major species at pH 7.3. | 7.03 | 1 | 0 | angiotensin; peptide zwitterion | human metabolite; neurotransmitter agent |