Substance | Relationship Strength | Studies | Trials | Classes | Roles |
octanoic acid octanoic acid: RN given refers to parent cpd; structure in Merck Index, 9th ed, #1764. octanoic acid : A straight-chain saturated fatty acid that is heptane in which one of the hydrogens of a terminal methyl group has been replaced by a carboxy group. Octanoic acid is also known as caprylic acid. | 1.92 | 1 | 0 | medium-chain fatty acid; straight-chain saturated fatty acid | antibacterial agent; Escherichia coli metabolite; human metabolite |
imidazole imidazole: RN given refers to parent cpd. 1H-imidazole : An imidazole tautomer which has the migrating hydrogen at position 1. | 2.05 | 1 | 0 | imidazole | |
uracil 2,4-dihydroxypyrimidine: a urinary biomarker for bipolar disorder | 2.02 | 1 | 0 | pyrimidine nucleobase; pyrimidone | allergen; Daphnia magna metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; prodrug; Saccharomyces cerevisiae metabolite |
1,10-phenanthroline 1,10-phenanthroline: RN given refers to parent cpd; inhibits Zn-dependent metalloproteinases | 2.68 | 3 | 0 | phenanthroline | EC 2.7.1.1 (hexokinase) inhibitor; EC 3.4.19.3 (pyroglutamyl-peptidase I) inhibitor |
oxyquinoline Oxyquinoline: An antiseptic with mild fungistatic, bacteriostatic, anthelmintic, and amebicidal action. It is also used as a reagent and metal chelator, as a carrier for radio-indium for diagnostic purposes, and its halogenated derivatives are used in addition as topical anti-infective agents and oral antiamebics.. quinolin-8-ol : A monohydroxyquinoline that is quinoline substituted by a hydroxy group at position 8. Its fungicidal properties are used for the control of grey mould on vines and tomatoes. | 2.05 | 1 | 0 | monohydroxyquinoline | antibacterial agent; antifungal agrochemical; antiseptic drug; iron chelator |
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. | 2.05 | 1 | 0 | aromatic ether; nitrile; polyether; tertiary amino compound | |
carbonyl cyanide m-chlorophenyl hydrazone Carbonyl Cyanide m-Chlorophenyl Hydrazone: A proton ionophore. It is commonly used as an uncoupling agent and inhibitor of photosynthesis because of its effects on mitochondrial and chloroplast membranes.. CCCP : A member of the class of monochlorobenzenes that is benzene substituted by 2-(1,3-dinitrilopropan-2-ylidene)hydrazinyl and chloro groups at positions 1 and 3, respectively. It is a mitochondrial depolarizing agent that induces reactive oxygen species mediated cell death. | 2.05 | 1 | 0 | hydrazone; monochlorobenzenes; nitrile | antibacterial agent; geroprotector; ionophore |
ciprofloxacin Ciprofloxacin: A broad-spectrum antimicrobial carboxyfluoroquinoline.. ciprofloxacin : A quinolone that is quinolin-4(1H)-one bearing cyclopropyl, carboxylic acid, fluoro and piperazin-1-yl substituents at positions 1, 3, 6 and 7, respectively. | 2.03 | 1 | 0 | aminoquinoline; cyclopropanes; fluoroquinolone antibiotic; N-arylpiperazine; quinolinemonocarboxylic acid; quinolone antibiotic; quinolone; zwitterion | antibacterial drug; antiinfective agent; antimicrobial agent; DNA synthesis inhibitor; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor; environmental contaminant; topoisomerase IV inhibitor; xenobiotic |
clotrimazole [no description available] | 2.05 | 1 | 0 | conazole antifungal drug; imidazole antifungal drug; imidazoles; monochlorobenzenes | antiinfective agent; environmental contaminant; xenobiotic |
dapsone [no description available] | 1.97 | 1 | 0 | substituted aniline; sulfone | anti-inflammatory drug; antiinfective agent; antimalarial; leprostatic drug |
disulfiram [no description available] | 2.05 | 1 | 0 | organic disulfide; organosulfur acaricide | angiogenesis inhibitor; antineoplastic agent; apoptosis inducer; EC 1.2.1.3 [aldehyde dehydrogenase (NAD(+))] inhibitor; EC 3.1.1.1 (carboxylesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor; EC 5.99.1.2 (DNA topoisomerase) inhibitor; ferroptosis inducer; fungicide; NF-kappaB inhibitor |
diuron Diuron: A pre-emergent herbicide.. diuron : A member of the class of 3-(3,4-substituted-phenyl)-1,1-dimethylureas that is urea in which both of the hydrogens attached to one nitrogen are substituted by methyl groups, and one of the hydrogens attached to the other nitrogen is substituted by a 3,4-dichlorophenyl group. | 2.05 | 1 | 0 | 3-(3,4-substituted-phenyl)-1,1-dimethylurea; dichlorobenzene | environmental contaminant; mitochondrial respiratory-chain inhibitor; photosystem-II inhibitor; urea herbicide; xenobiotic |
fluconazole Fluconazole: Triazole antifungal agent that is used to treat oropharyngeal CANDIDIASIS and cryptococcal MENINGITIS in AIDS.. fluconazole : A member of the class of triazoles that is propan-2-ol substituted at position 1 and 3 by 1H-1,2,4-triazol-1-yl groups and at position 2 by a 2,4-difluorophenyl group. It is an antifungal drug used for the treatment of mucosal candidiasis and for systemic infections including systemic candidiasis, coccidioidomycosis, and cryptococcosis. | 2.05 | 1 | 0 | conazole antifungal drug; difluorobenzene; tertiary alcohol; triazole antifungal drug | environmental contaminant; P450 inhibitor; xenobiotic |
flucytosine Flucytosine: A fluorinated cytosine analog that is used as an antifungal agent.. flucytosine : An organofluorine compound that is cytosine that is substituted at position 5 by a fluorine. A prodrug for the antifungal 5-fluorouracil, it is used for the treatment of systemic fungal infections. | 2.05 | 1 | 0 | aminopyrimidine; nucleoside analogue; organofluorine compound; pyrimidine antifungal drug; pyrimidone | prodrug |
fluphenazine [no description available] | 2.05 | 1 | 0 | N-alkylpiperazine; organofluorine compound; phenothiazines | anticoronaviral agent; dopaminergic antagonist; phenothiazine antipsychotic drug |
indomethacin Indomethacin: A non-steroidal anti-inflammatory agent (NSAID) that inhibits CYCLOOXYGENASE, which is necessary for the formation of PROSTAGLANDINS and other AUTACOIDS. It also inhibits the motility of POLYMORPHONUCLEAR LEUKOCYTES.. indometacin : A member of the class of indole-3-acetic acids that is indole-3-acetic acid in which the indole ring is substituted at positions 1, 2 and 5 by p-chlorobenzoyl, methyl, and methoxy groups, respectively. A non-steroidal anti-inflammatory drug, it is used in the treatment of musculoskeletal and joint disorders including osteoarthritis, rheumatoid arthritis, gout, bursitis and tendinitis. | 2.05 | 1 | 0 | aromatic ether; indole-3-acetic acids; monochlorobenzenes; N-acylindole | analgesic; drug metabolite; EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; environmental contaminant; gout suppressant; non-steroidal anti-inflammatory drug; xenobiotic metabolite; xenobiotic |
itraconazole [no description available] | 2.05 | 1 | 0 | piperazines | |
ketoconazole 1-acetyl-4-(4-{[2-(2,4-dichlorophenyl)-2-(1H-imidazol-1-ylmethyl)-1,3-dioxolan-4-yl]methoxy}phenyl)piperazine : A dioxolane that is 1,3-dioxolane which is substituted at positions 2, 2, and 4 by imidazol-1-ylmethyl, 2,4-dichlorophenyl, and [para-(4-acetylpiperazin-1-yl)phenoxy]methyl groups, respectively. | 2.05 | 1 | 0 | dichlorobenzene; dioxolane; ether; imidazoles; N-acylpiperazine; N-arylpiperazine | |
miconazole Miconazole: An imidazole antifungal agent that is used topically and by intravenous infusion.. 1-[2-(2,4-dichlorobenzyloxy)-2-(2,4-dichlorophenyl)ethyl]imidazole : A member of the class of imidazoles that is 1-(2,4-dichlorophenyl)-2-(imidazol-1-yl)ethanol in which the hydroxyl hydrogen is replaced by a 2,4-dichlorobenzyl group.. miconazole : A racemate composed of equimolar amounts of (R)- and (S)-miconazole. Used (as its nitrate salt) to treat skin infections such as athlete's foot, jock itch, ringworm and other fungal skin infections. It inhibits the synthesis of ergosterol, a critical component of fungal cell membranes. | 2.05 | 1 | 0 | dichlorobenzene; ether; imidazoles | |
mitoxantrone Mitoxantrone: An anthracenedione-derived antineoplastic agent.. mitoxantrone : A dihydroxyanthraquinone that is 1,4-dihydroxy-9,10-anthraquinone which is substituted by 6-hydroxy-1,4-diazahexyl groups at positions 5 and 8. | 2.05 | 1 | 0 | dihydroxyanthraquinone | analgesic; antineoplastic agent |
nifedipine Nifedipine: A potent vasodilator agent with calcium antagonistic action. It is a useful anti-anginal agent that also lowers blood pressure. | 2.05 | 1 | 0 | C-nitro compound; dihydropyridine; methyl ester | calcium channel blocker; human metabolite; tocolytic agent; vasodilator agent |
nimodipine Nimodipine: A calcium channel blockader with preferential cerebrovascular activity. It has marked cerebrovascular dilating effects and lowers blood pressure.. nimodipine : A dihydropyridine that is 1,4-dihydropyridine which is substituted by methyl groups at positions 2 and 6, a (2-methoxyethoxy)carbonyl group at position 3, a m-nitrophenyl group at position 4, and an isopropoxycarbonyl group at position 5. An L-type calcium channel blocker, it acts particularly on cerebral circulation, and is used both orally and intravenously for the prevention and treatment of subarachnoid hemorrhage from ruptured intracranial aneurysm. | 2.05 | 1 | 0 | 2-methoxyethyl ester; C-nitro compound; dicarboxylic acids and O-substituted derivatives; diester; dihydropyridine; isopropyl ester | antihypertensive agent; calcium channel blocker; cardiovascular drug; vasodilator agent |
propanil Propanil: A chlorinated anilide that is used as an herbicide.. propanil : An anilide resulting from the formal condensation of the carboxy group of propanoic acid with the amino group of 3,4-dichloroaniline. It is a herbicide used for the treatment of numerous grasses and broad-leaved weeds in rice, potatoes, and wheat. | 2.05 | 1 | 0 | anilide; dichlorobenzene | herbicide |
4-nitroquinoline-1-oxide 4-nitroquinoline N-oxide : A quinoline N-oxide carrying a nitro substituent at position 4. | 2.05 | 1 | 0 | C-nitro compound; quinoline N-oxide | carcinogenic agent |
chloramphenicol Amphenicol: Chloramphenicol and its derivatives. | 2.05 | 1 | 0 | C-nitro compound; carboxamide; diol; organochlorine compound | antibacterial drug; antimicrobial agent; Escherichia coli metabolite; geroprotector; Mycoplasma genitalium metabolite; protein synthesis inhibitor |
uridine [no description available] | 2.36 | 2 | 0 | uridines | drug metabolite; fundamental metabolite; human metabolite |
kanamycin a Kanamycin: Antibiotic complex produced by Streptomyces kanamyceticus from Japanese soil. Comprises 3 components: kanamycin A, the major component, and kanamycins B and C, the minor components.. kanamycin : Kanamycin is a naturally occurring antibiotic complex from Streptomyces kanamyceticus that consists of several components: kanamycin A, the major component (also usually designated as kanamycin), and kanamycins B, C, D and X the minor components. | 2.05 | 1 | 0 | kanamycins | bacterial 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. | 2.4 | 2 | 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 |
colchicine (S)-colchicine : A colchicine that has (S)-configuration. It is a secondary metabolite, has anti-inflammatory properties and is used to treat gout, crystal-induced joint inflammation, familial Mediterranean fever, and many other conditions. | 2.05 | 1 | 0 | alkaloid; colchicine | anti-inflammatory agent; gout suppressant; mutagen |
yohimbine hydrochloride [no description available] | 2.05 | 1 | 0 | | |
cycloheximide Cycloheximide: Antibiotic substance isolated from streptomycin-producing strains of Streptomyces griseus. It acts by inhibiting elongation during protein synthesis.. cycloheximide : A dicarboximide that is 4-(2-hydroxyethyl)piperidine-2,6-dione in which one of the hydrogens attached to the carbon bearing the hydroxy group is replaced by a 3,5-dimethyl-2-oxocyclohexyl group. It is an antibiotic produced by the bacterium Streptomyces griseus. | 2.67 | 3 | 0 | antibiotic fungicide; cyclic ketone; dicarboximide; piperidine antibiotic; piperidones; secondary alcohol | anticoronaviral agent; bacterial metabolite; ferroptosis inhibitor; neuroprotective agent; protein synthesis inhibitor |
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. | 1.95 | 1 | 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 |
pyrroles 1H-pyrrole : A tautomer of pyrrole that has the double bonds at positions 2 and 4.. pyrrole : A five-membered monocyclic heteroarene comprising one NH and four CH units which forms the parent compound of the pyrrole group of compounds. Its five-membered ring structure has three tautomers. A 'closed class'.. azole : Any monocyclic heteroarene consisting of a five-membered ring containing nitrogen. Azoles can also contain one or more other non-carbon atoms, such as nitrogen, sulfur or oxygen. | 3.76 | 3 | 0 | pyrrole; secondary amine | |
thiophenes Thiophenes: A monocyclic heteroarene furan in which the oxygen atom is replaced by a sulfur.. thiophenes : Compounds containing at least one thiophene ring. | 1.97 | 1 | 0 | mancude organic heteromonocyclic parent; monocyclic heteroarene; thiophenes; volatile organic compound | non-polar solvent |
framycetin Framycetin: A component of NEOMYCIN that is produced by Streptomyces fradiae. On hydrolysis it yields neamine and neobiosamine B. (From Merck Index, 11th ed). framycetin : A tetracyclic antibacterial agent derived from neomycin, being a glycoside ester of neamine and neobiosamine B. | 1.92 | 1 | 0 | aminoglycoside | allergen; antibacterial drug; Escherichia coli metabolite |
vanillic acid Vanillic Acid: A flavoring agent. It is the intermediate product in the two-step bioconversion of ferulic acid to vanillin. (J Biotechnol 1996;50(2-3):107-13).. vanillic acid : A monohydroxybenzoic acid that is 4-hydroxybenzoic acid substituted by a methoxy group at position 3. | 1.92 | 1 | 0 | methoxybenzoic acid; monohydroxybenzoic acid | plant metabolite |
potassium cyanide [no description available] | 1.98 | 1 | 0 | cyanide salt; one-carbon compound; potassium salt | EC 1.15.1.1 (superoxide dismutase) inhibitor; EC 1.9.3.1 (cytochrome c oxidase) inhibitor; neurotoxin |
thiazoles [no description available] | 1.97 | 1 | 0 | 1,3-thiazoles; mancude organic heteromonocyclic parent; monocyclic heteroarene | |
linuron Linuron: A selective pre- and post-emergence herbicide. (From Merck Index, 11th ed). linuron : A member of the class of phenylureas that is N-methyl urea substituted by a methoxy group at position 1 and a 3,4-dichlorophenyl group at position 3. | 2.05 | 1 | 0 | dichlorobenzene; phenylureas | agrochemical; environmental contaminant; herbicide; xenobiotic |
thiazosulfone thiazosulfone: structure | 1.97 | 1 | 0 | sulfonamide | |
Berberine chloride (TN) [no description available] | 2.05 | 1 | 0 | organic molecular entity | |
vinblastine [no description available] | 2.05 | 1 | 0 | | |
ethionine L-ethionine : An S-ethylhomocysteine that has S-configuration at the chiral centre. | 2.4 | 2 | 0 | S-ethylhomocysteine | antimetabolite; carcinogenic agent |
chlorbromuron chlorbromuron: structure | 2.05 | 1 | 0 | ureas | |
benomyl [no description available] | 2.05 | 1 | 0 | aromatic amide; benzimidazole fungicide; benzimidazoles; benzimidazolylcarbamate fungicide; carbamate ester | acaricide; anthelminthic drug; antifungal agrochemical; microtubule-destabilising agent; tubulin modulator |
daunorubicin Daunorubicin: A very toxic anthracycline aminoglycoside antineoplastic isolated from Streptomyces peucetius and others, used in treatment of LEUKEMIA and other NEOPLASMS.. anthracycline : Anthracyclines are polyketides that have a tetrahydronaphthacenedione ring structure attached by a glycosidic linkage to the amino sugar daunosamine.. daunorubicin : A natural product found in Actinomadura roseola. | 2.05 | 1 | 0 | aminoglycoside antibiotic; anthracycline; p-quinones; tetracenequinones | antineoplastic agent; bacterial metabolite |
paclitaxel Taxus: Genus of coniferous yew trees or shrubs, several species of which have medicinal uses. Notable is the Pacific yew, Taxus brevifolia, which is used to make the anti-neoplastic drug taxol (PACLITAXEL). | 2.05 | 1 | 0 | taxane diterpenoid; tetracyclic diterpenoid | antineoplastic agent; human metabolite; metabolite; microtubule-stabilising agent |
etoposide [no description available] | 2.05 | 1 | 0 | beta-D-glucoside; furonaphthodioxole; organic heterotetracyclic compound | antineoplastic agent; DNA synthesis inhibitor |
imiquimod Imiquimod: A topically-applied aminoquinoline immune modulator that induces interferon production. It is used in the treatment of external genital and perianal warts, superficial CARCINOMA, BASAL CELL; and ACTINIC KERATOSIS.. imiquimod : An imidazoquinoline fused [4,5-c] carrying isobutyl and amino substituents at N-1 and C-4 respectively. A prescription medication, it acts as an immune response modifier and is used to treat genital warts, superficial basal cell carcinoma, and actinic keratosis. | 2.6 | 1 | 0 | imidazoquinoline | antineoplastic agent; interferon inducer |
niguldipine [no description available] | 2.05 | 1 | 0 | diarylmethane | |
topotecan Topotecan: An antineoplastic agent used to treat ovarian cancer. It works by inhibiting DNA TOPOISOMERASES, TYPE I.. topotecan : A pyranoindolizinoquinoline used as an antineoplastic agent. It is a derivative of camptothecin and works by binding to the topoisomerase I-DNA complex and preventing religation of these 328 single strand breaks. | 2.05 | 1 | 0 | pyranoindolizinoquinoline | antineoplastic agent; EC 5.99.1.2 (DNA topoisomerase) inhibitor |
benzylaminopurine benzylaminopurine: a plant growth regulator. N-benzyladenine : A member of the class of 6-aminopurines that is adenine in which one of the hydrogens of the amino group is replaced by a benzyl group. | 2.05 | 1 | 0 | 6-aminopurines | cytokinin; plant metabolite |
1,7-phenanthroline [no description available] | 2.92 | 4 | 0 | phenanthroline | |
azauracil azauracil: minor descriptor (64-72); major descriptor (73-86); on line search URACIL (66-74); URACIL/AA (75-86); INDEX MEDICUS search URACIL (64-72); AZAURACIL (73-86). 6-azauracil : A 1,2,4-triazine compound having oxo-substituents at the 3- and 5-positions. | 2.02 | 1 | 0 | 1,2,4-triazines; nucleobase analogue | antimetabolite |
aureothricin aureothricin: structure. aureothricin : A dithiolopyrrolone antibiotic that is 4,5-dihydro[1,2]dithiolo[4,3-b]pyrrole in which the hydrogens at positions 4,5 and 6 have been replaced by methyl, oxo and propanoylamino groups, respectively. It is a moderate antimicrobial by-product of the thiolutin fermentation in various Streptomyces species. | 3.76 | 3 | 0 | dithiolopyrrolone antibiotic; secondary carboxamide | angiogenesis inhibitor; antibacterial agent; bacterial metabolite; EC 2.7.7.6 (RNA polymerase) inhibitor |
voriconazole Voriconazole: A triazole antifungal agent that specifically inhibits STEROL 14-ALPHA-DEMETHYLASE and CYTOCHROME P-450 CYP3A.. voriconazole : A triazole-based antifungal agent used for the treatment of esophageal candidiasis, invasive pulmonary aspergillosis, and serious fungal infections caused by Scedosporium apiospermum and Fusarium spp. It is an inhibitor of cytochrome P450 2C9 (CYP2C9) and CYP3A4. | 2.05 | 1 | 0 | conazole antifungal drug; difluorobenzene; pyrimidines; tertiary alcohol; triazole antifungal drug | P450 inhibitor |
zwittergent 3-12 zwittergent 3-12: zwitterionic detergent. lauryl sulfobetaine : An ammonium betaine in which the ammonium nitrogen is substituted by dodecyl, 3-sulfatopropyl and two methyl groups. | 2.05 | 1 | 0 | ammonium betaine | detergent |
paxilline paxilline: structure given in first source; RN given refers to (2R-(2alpha,4bbeta,6aalpha,12bbeta,12calpha,14abeta))-isomer. paxilline : An indole diterpene alkaloid with formula C27H33NO4 isolated from Penicillium paxilli. It is a potent inhibitor of large conductance Ca2(+)- and voltage-activated K(+) (BK)-type channels. | 2 | 1 | 0 | diterpene alkaloid; enone; organic heterohexacyclic compound; terpenoid indole alkaloid; tertiary alcohol | anticonvulsant; Aspergillus metabolite; EC 3.6.3.8 (Ca(2+)-transporting ATPase) inhibitor; genotoxin; geroprotector; mycotoxin; Penicillium metabolite; potassium channel blocker |
caprylates Caprylates: Derivatives of caprylic acid. Included under this heading are a broad variety of acid forms, salts, esters, and amides that contain a carboxy terminated eight carbon aliphatic structure.. octanoate : A straight-chain saturated fatty acid anion that is the conjugate base of octanoic acid (caprylic acid); believed to block adipogenesis. | 1.92 | 1 | 0 | fatty acid anion 8:0; straight-chain saturated fatty acid anion | human metabolite; Saccharomyces cerevisiae metabolite |
gefitinib [no description available] | 2.05 | 1 | 0 | aromatic ether; monochlorobenzenes; monofluorobenzenes; morpholines; quinazolines; secondary amino compound; tertiary amino compound | antineoplastic agent; epidermal growth factor receptor antagonist |
methotrexate [no description available] | 2.05 | 1 | 0 | dicarboxylic acid; monocarboxylic acid amide; pteridines | abortifacient; antimetabolite; antineoplastic agent; antirheumatic drug; dermatologic drug; DNA synthesis inhibitor; EC 1.5.1.3 (dihydrofolate reductase) inhibitor; immunosuppressive agent |
anisomycin Anisomycin: An antibiotic isolated from various Streptomyces species. It interferes with protein and DNA synthesis by inhibiting peptidyl transferase or the 80S ribosome system.. (-)-anisomycin : An antibiotic isolated from various Streptomyces species. It interferes with protein and DNA synthesis by inhibiting peptidyl transferase or the 80S ribosome system. | 2.05 | 1 | 0 | monohydroxypyrrolidine; organonitrogen heterocyclic antibiotic | anticoronaviral agent; antimicrobial agent; antineoplastic agent; antiparasitic agent; bacterial metabolite; DNA synthesis inhibitor; protein synthesis inhibitor |
tryptoquivaline fumitremorgin C : An organic heteropentacyclic compound that is a mycotoxic indole alkaloid produced by several fungi. A potent and specific inhibitor of the breast cancer resistance protein multidrug transporter. | 2.05 | 1 | 0 | aromatic ether; indole alkaloid; organic heteropentacyclic compound | breast cancer resistance protein inhibitor; mycotoxin |
ouabain Ouabain: A cardioactive glycoside consisting of rhamnose and ouabagenin, obtained from the seeds of Strophanthus gratus and other plants of the Apocynaceae; used like DIGITALIS. It is commonly used in cell biological studies as an inhibitor of the NA(+)-K(+)-EXCHANGING ATPASE.. cardiac glycoside : Steroid lactones containing sugar residues that act on the contractile force of the cardiac muscles.. ouabain : A steroid hormone that is a multi-hydroxylated alpha-L-rhamnosyl cardenoloide. It binds to and inhibits the plasma membrane Na(+)/K(+)-ATPase (sodium pump). It has been isolated naturally from Strophanthus gratus. | 2.05 | 1 | 0 | 11alpha-hydroxy steroid; 14beta-hydroxy steroid; 5beta-hydroxy steroid; alpha-L-rhamnoside; cardenolide glycoside; steroid hormone | anti-arrhythmia drug; cardiotonic drug; EC 2.3.3.1 [citrate (Si)-synthase] inhibitor; EC 3.1.3.41 (4-nitrophenylphosphatase) inhibitor; EC 3.6.3.10 (H(+)/K(+)-exchanging ATPase) inhibitor; EC 3.6.3.9 (Na(+)/K(+)-transporting ATPase) inhibitor; ion transport inhibitor; plant metabolite |
cellulase Cellulase: An endocellulase with specificity for the hydrolysis of 1,4-beta-glucosidic linkages in CELLULOSE, lichenin, and cereal beta-glucans.. beta-cellotriose : A cellotriose with a beta-configuration at the anomeric position. | 1.98 | 1 | 0 | cellotriose | |
quinidine Quinidine: An optical isomer of quinine, extracted from the bark of the CHINCHONA tree and similar plant species. This alkaloid dampens the excitability of cardiac and skeletal muscles by blocking sodium and potassium currents across cellular membranes. It prolongs cellular ACTION POTENTIALS, and decreases automaticity. Quinidine also blocks muscarinic and alpha-adrenergic neurotransmission.. quinidine : A cinchona alkaloid consisting of cinchonine with the hydrogen at the 6-position of the quinoline ring substituted by methoxy. | 2.05 | 1 | 0 | cinchona alkaloid | alpha-adrenergic antagonist; anti-arrhythmia drug; antimalarial; drug allergen; EC 1.14.13.181 (13-deoxydaunorubicin hydroxylase) inhibitor; EC 3.6.3.44 (xenobiotic-transporting ATPase) inhibitor; muscarinic antagonist; P450 inhibitor; potassium channel blocker; sodium channel blocker |
mycophenolic acid Mycophenolic Acid: Compound derived from Penicillium stoloniferum and related species. It blocks de novo biosynthesis of purine nucleotides by inhibition of the enzyme inosine monophosphate dehydrogenase (IMP DEHYDROGENASE). Mycophenolic acid exerts selective effects on the immune system in which it prevents the proliferation of T-CELLS, LYMPHOCYTES, and the formation of antibodies from B-CELLS. It may also inhibit recruitment of LEUKOCYTES to sites of INFLAMMATION.. mycophenolate : A monocarboxylic acid anion resulting from the removal of a proton from the carboxy group of mycophenolic acid.. mycophenolic acid : A member of the class of 2-benzofurans that is 2-benzofuran-1(3H)-one which is substituted at positions 4, 5, 6, and 7 by methyl, methoxy, (2E)-5-carboxy-3-methylpent-2-en-1-yl, and hydroxy groups, respectively. It is an antibiotic produced by Penicillium brevi-compactum, P. stoloniferum, P. echinulatum and related species. An immunosuppressant, it is widely used (partiularly as its sodium salt and as the 2-(morpholin-4-yl)ethyl ester prodrug, mycophenolate mofetil) to prevent tissue rejection following organ transplants and for the treatment of certain autoimmune diseases. | 2.05 | 1 | 0 | 2-benzofurans; gamma-lactone; monocarboxylic acid; phenols | anticoronaviral agent; antimicrobial agent; antineoplastic agent; EC 1.1.1.205 (IMP dehydrogenase) inhibitor; environmental contaminant; immunosuppressive agent; mycotoxin; Penicillium metabolite; xenobiotic |
mupirocin Mupirocin: A topically used antibiotic from a strain of Pseudomonas fluorescens. It has shown excellent activity against gram-positive staphylococci and streptococci. The antibiotic is used primarily for the treatment of primary and secondary skin disorders, nasal infections, and wound healing.. mupirocin : An alpha,beta-unsaturated ester resulting from the formal condensation of the alcoholic hydroxy group of 9-hydroxynonanoic acid with the carboxy group of (2E)-4-[(2S)-tetrahydro-2H-pyran-2-yl]-3-methylbut-2-enoic acid in which the tetrahydropyranyl ring is substituted at positions 3 and 4 by hydroxy groups and at position 5 by a {(2S,3S)-3-[(2S,3S)-3-hydroxybutan-2-yl]oxiran-2-yl}methyl group. Originally isolated from the Gram-negative bacterium Pseudomonas fluorescens, it is used as a topical antibiotic for the treatment of Gram-positive bacterial infections. | 3.18 | 1 | 0 | alpha,beta-unsaturated carboxylic ester; epoxide; monocarboxylic acid; oxanes; secondary alcohol; triol | antibacterial drug; bacterial metabolite; protein synthesis inhibitor |
dactinomycin Dactinomycin: A compound composed of a two CYCLIC PEPTIDES attached to a phenoxazine that is derived from STREPTOMYCES parvullus. It binds to DNA and inhibits RNA synthesis (transcription), with chain elongation more sensitive than initiation, termination, or release. As a result of impaired mRNA production, protein synthesis also declines after dactinomycin therapy. (From AMA Drug Evaluations Annual, 1993, p2015) | 2.05 | 1 | 0 | actinomycin | mutagen |
terbinafine [no description available] | 2.05 | 1 | 0 | acetylenic compound; allylamine antifungal drug; enyne; naphthalenes; tertiary amine | EC 1.14.13.132 (squalene monooxygenase) inhibitor; P450 inhibitor; sterol biosynthesis inhibitor |
tamoxifen [no description available] | 2.05 | 1 | 0 | stilbenoid; tertiary amino compound | angiogenesis inhibitor; antineoplastic agent; bone density conservation agent; EC 1.2.3.1 (aldehyde oxidase) inhibitor; EC 2.7.11.13 (protein kinase C) inhibitor; estrogen antagonist; estrogen receptor antagonist; estrogen receptor modulator |
lincomycin Lincomycin: An antibiotic produced by Streptomyces lincolnensis var. lincolnensis. It has been used in the treatment of staphylococcal, streptococcal, and Bacteroides fragilis infections.. lincomycin : A carbohydrate-containing antibiotic produced by the actinomyces Streptomyces lincolnensis. | 2.05 | 1 | 0 | carbohydrate-containing antibiotic; L-proline derivative; monocarboxylic acid amide; pyrrolidinecarboxamide; S-glycosyl compound | antimicrobial agent; bacterial metabolite |
estrone sulfate estrone sulfate: sulfoconjugated estrone; RN given refers to parent cpd | 2.05 | 1 | 0 | 17-oxo steroid; steroid sulfate | human metabolite; mouse metabolite |
cystine [no description available] | 2.03 | 1 | 0 | | |
quercetin [no description available] | 2.05 | 1 | 0 | 7-hydroxyflavonol; pentahydroxyflavone | antibacterial agent; antineoplastic agent; antioxidant; Aurora kinase inhibitor; chelator; EC 1.10.99.2 [ribosyldihydronicotinamide dehydrogenase (quinone)] inhibitor; geroprotector; phytoestrogen; plant metabolite; protein kinase inhibitor; radical scavenger |
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. | 2.4 | 2 | 0 | cysteinium | fundamental metabolite |
thiomarinol thiomarinol: an antimicrobial antibiotic isolated from Alteromonas rava; a hybrid of 2 antibiotics, a pseudomonic acid analog and holothin; structure in first source. thiomarinol A : An organosulfur heterocyclic compound produced by a marine bacterium Alteromonas rava and has been shown to exhibit antibacterial activity against Gram-positive and Gram-negative bacteria. | 3.18 | 1 | 0 | | |
rifaximin [no description available] | 2.03 | 1 | 0 | acetate ester; cyclic ketal; lactam; macrocycle; organic heterohexacyclic compound; rifamycins; semisynthetic derivative | antimicrobial agent; gastrointestinal drug; orphan drug |
rhodamine 123 [no description available] | 2.05 | 1 | 0 | organic chloride salt; xanthene dye | fluorochrome |
holomycin holomycin: structure. holomycin : A dithiolopyrrolone antibiotic that is 4,5-dihydro[1,2]dithiolo[4,3-b]pyrrole in which the hydrogens at positions 5 and 6 have been replaced by oxo and acetamido groups, respectively. It is an inhibitor of DNA-dependent RNA polymerase, and exhibits antibacterial and antitumour properties. | 4.07 | 4 | 0 | acetamides; dithiolopyrrolone antibiotic | antibacterial agent; antineoplastic agent; bacterial metabolite; chelator; EC 2.7.7.6 (RNA polymerase) inhibitor; marine metabolite |
echistatin echistatin: 49 amino acid residues given in first source; from the venom of the viper Echis | 2 | 1 | 0 | | |
cellulose DEAE-Cellulose: Cellulose derivative used in chromatography, as ion-exchange material, and for various industrial applications. | 1.98 | 1 | 0 | glycoside | |
chiniofon Hydroxyquinolines: The 8-hydroxy derivatives inhibit various enzymes and their halogenated derivatives, though neurotoxic, are used as topical anti-infective agents, among other uses. | 1.95 | 1 | 0 | | |
mannans [no description available] | 1.95 | 1 | 0 | | |
novobiocin Novobiocin: An antibiotic compound derived from Streptomyces niveus. It has a chemical structure similar to coumarin. Novobiocin binds to DNA gyrase, and blocks adenosine triphosphatase (ATPase) activity. (From Reynolds, Martindale The Extra Pharmacopoeia, 30th ed, p189). novobiocin : A coumarin-derived antibiotic obtained from Streptomyces niveus. | 2.05 | 1 | 0 | carbamate ester; ether; hexoside; hydroxycoumarin; monocarboxylic acid amide; monosaccharide derivative; phenols | antibacterial agent; antimicrobial agent; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor; Escherichia coli metabolite; hepatoprotective agent |
streptolydigin streptolydigin: antibiotic isolated from culture filtrates of Streptomyces lydicus; active against gram-postive bacteria except micrococci; minor descriptor (75-87); on line & INDEX MEDICUS search ANTIBIOTICS (75-87). streptolydigin : A monocarboxylic acid amide that is a broad-spectrum antibiotic produced by Streptomyces lydicus. | 2.03 | 1 | 0 | bridged compound; cyclic ketal; enol; monocarboxylic acid amide; N-glycosyl compound; organic heterobicyclic compound; pyrrolidinone; spiro-epoxide | antimicrobial agent; bacterial metabolite; EC 2.7.7.6 (RNA polymerase) inhibitor |
ripostatin a ripostatin A: an inhibitor of eubacterial RNA polymerase; a macrocyclic lactone carbonic acid; isolated from Sorangium cellulosum; structure given in first source | 2 | 1 | 0 | | |
muramidase Muramidase: A basic enzyme that is present in saliva, tears, egg white, and many animal fluids. It functions as an antibacterial agent. The enzyme catalyzes the hydrolysis of 1,4-beta-linkages between N-acetylmuramic acid and N-acetyl-D-glucosamine residues in peptidoglycan and between N-acetyl-D-glucosamine residues in chitodextrin. EC 3.2.1.17. | 1.95 | 1 | 0 | | |
rifampin Rifampin: A semisynthetic antibiotic produced from Streptomyces mediterranei. It has a broad antibacterial spectrum, including activity against several forms of Mycobacterium. In susceptible organisms it inhibits DNA-dependent RNA polymerase activity by forming a stable complex with the enzyme. It thus suppresses the initiation of RNA synthesis. Rifampin is bactericidal, and acts on both intracellular and extracellular organisms. (From Gilman et al., Goodman and Gilman's The Pharmacological Basis of Therapeutics, 9th ed, p1160) | 2.72 | 3 | 0 | cyclic ketal; hydrazone; N-iminopiperazine; N-methylpiperazine; rifamycins; semisynthetic derivative; zwitterion | angiogenesis inhibitor; antiamoebic agent; antineoplastic agent; antitubercular agent; DNA synthesis inhibitor; EC 2.7.7.6 (RNA polymerase) inhibitor; Escherichia coli metabolite; geroprotector; leprostatic drug; neuroprotective agent; pregnane X receptor agonist; protein synthesis inhibitor |
rifapentine rifapentine: cyclopentyl derivative of rifampicin | 2.03 | 1 | 0 | N-alkylpiperazine; N-iminopiperazine; rifamycins | antitubercular agent; leprostatic drug |