Page last updated: 2024-10-24

biological process involved in interaction with symbiont

Definition

Target type: biologicalprocess

An interaction between two organisms living together in more or less intimate association. The term symbiont is used for the smaller (macro) of the two members of a symbiosis; the various forms of symbiosis include parasitism, commensalism and mutualism. [GOC:cc]

The biological process of interaction with a symbiont is a complex and multifaceted process that involves a variety of cellular and molecular mechanisms. The specific mechanisms involved can vary greatly depending on the type of symbiosis, the organisms involved, and the environment in which the interaction occurs. However, some common themes include:

1. **Recognition and Attachment:** The first step in symbiosis is the recognition and attachment of the symbiont to the host. This may involve specific receptors on the host cell surface that bind to molecules on the symbiont surface.

2. **Signaling and Communication:** Once attached, the symbiont and host must communicate with each other. This communication may involve the exchange of chemical signals, such as hormones, peptides, or small molecules.

3. **Nutrient Exchange:** Symbiosis often involves the exchange of nutrients between the symbiont and the host. The symbiont may provide the host with nutrients that it cannot obtain on its own, while the host may provide the symbiont with nutrients that it needs.

4. **Protection and Defense:** The host may provide the symbiont with protection from predators or pathogens. In return, the symbiont may provide the host with protection from environmental stress or disease.

5. **Development and Evolution:** The interaction between the symbiont and host can lead to changes in the development and evolution of both organisms. Over time, the symbiosis can become increasingly specialized and complex, leading to the emergence of new traits and adaptations.

Examples of biological processes involved in symbiosis include:

- **Nitrogen fixation:** In many symbiotic relationships, bacteria fix nitrogen from the atmosphere into a form that can be used by the host. This is particularly important in the case of legumes, which form symbiotic relationships with nitrogen-fixing bacteria called rhizobia.

- **Digestion:** Some animals, such as ruminants, have symbiotic relationships with bacteria that help them digest cellulose, a complex carbohydrate that they cannot digest on their own.

- **Coral reefs:** Corals form symbiotic relationships with photosynthetic algae called zooxanthellae. The algae provide the coral with food, while the coral provides the algae with a protected environment.

- **Human microbiome:** The human body is home to trillions of bacteria, viruses, and other microorganisms that make up the human microbiome. These microorganisms play a variety of important roles in human health, including digestion, immunity, and metabolism.

The interaction with symbionts is a dynamic and essential process that contributes to the diversity and complexity of life on Earth. It is a fascinating area of research that is still being actively explored.'
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Proteins (5)

ProteinDefinitionTaxonomy
DNA damage-binding protein 1A DNA damage-binding protein 1 that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q16531]Homo sapiens (human)
60 kDa heat shock protein, mitochondrialA 60 kDa heat shock protein, mitochondrial that is encoded in the genome of human. [PRO:DNx, UniProtKB:P10809]Homo sapiens (human)
Glutathione peroxidase 1A glutathione peroxidase 1 that is encoded in the genome of human. [PRO:DNx, UniProtKB:P07203]Homo sapiens (human)
FibronectinA fibronectin that is encoded in the genome of human. [PRO:DNx, UniProtKB:P02751]Homo sapiens (human)
PlasminogenA plasminogen that is encoded in the genome of human. [PRO:DNx, UniProtKB:P00747]Homo sapiens (human)

Compounds (112)

CompoundDefinitionClassesRoles
aminocaproic acid6-aminohexanoic acid : An epsilon-amino acid comprising hexanoic acid carrying an amino substituent at position C-6. Used to control postoperative bleeding, and to treat overdose effects of the thrombolytic agents streptokinase and tissue plasminogen activator.

Aminocaproic Acid: An antifibrinolytic agent that acts by inhibiting plasminogen activators which have fibrinolytic properties.
amino acid zwitterion;
epsilon-amino acid;
omega-amino fatty acid
antifibrinolytic drug;
hematologic agent;
metabolite
4-nonylphenol4-nonylphenol : A member of the class of phenols that is phenol which is para-substituted with a nonyl group.

4-nonylphenol: structure in first source; see also record for nonylphenol
phenolsenvironmental contaminant
5-(n,n-hexamethylene)amiloride5-(N,N-hexamethylene)amiloride : A member of the class of pyrazines that is amiloride in which the two amino hydrogens at position N-5 are replaced by a hexamethylene moiety, resulting in the formation of an azepane ring.

5-(N,N-hexamethylene)amiloride: inhibitor of Na+-H+ exchange; has anti-HIV-1 activity
aromatic amine;
azepanes;
guanidines;
monocarboxylic acid amide;
organochlorine compound;
pyrazines
antineoplastic agent;
apoptosis inducer;
odorant receptor antagonist;
sodium channel blocker
albuterolalbuterol : A member of the class of phenylethanolamines that is 4-(2-amino-1-hydroxyethyl)-2-(hydroxymethyl)phenol having a tert-butyl group attached to the nirogen atom. It acts as a beta-adrenergic agonist used in the treatment of asthma and chronic obstructive pulmonary disease (COPD).

Albuterol: A short-acting beta-2 adrenergic agonist that is primarily used as a bronchodilator agent to treat ASTHMA. Albuterol is prepared as a racemic mixture of R(-) and S(+) stereoisomers. The stereospecific preparation of R(-) isomer of albuterol is referred to as levalbuterol.
phenols;
phenylethanolamines;
secondary amino compound
beta-adrenergic agonist;
bronchodilator agent;
environmental contaminant;
xenobiotic
aurintricarboxylic acidaurintricarboxylic acid : A member of the class of quinomethanes that is 3-methylidene-6-oxocyclohexa-1,4-diene-1-carboxylic acid in which the methylidene hydrogens are replaced by 4-carboxy-3-hydroxyphenyl groups. The trisodium salt is the biological stain 'chrome violet CG' while the triammonium salt is 'aluminon'.

Aurintricarboxylic Acid: A dye which inhibits protein biosynthesis at the initial stages. The ammonium salt (aluminon) is a reagent for the colorimetric estimation of aluminum in water, foods, and tissues.
monohydroxybenzoic acid;
quinomethanes;
tricarboxylic acid
fluorochrome;
histological dye;
insulin-like growth factor receptor 1 antagonist
benzbromaronebenzbromarone : 1-Benzofuran substituted at C-2 and C-3 by an ethyl group and a 3,5-dibromo-4-hydroxybenzoyl group respectively. An inhibitor of CYP2C9, it is used as an anti-gout medication.

Benzbromarone: Uricosuric that acts by increasing uric acid clearance. It is used in the treatment of gout.
1-benzofurans;
aromatic ketone
uricosuric drug
bis(5-amidino-2-benzimidazolyl)methanebis(5-amidino-2-benzimidazolyl)methane: aromatic diamidine which has a significant suppressive effect on the cytopathology & yield of respiratory synctial (RS) virus; RN given refers to parent cpd
bithionolbithionol : An aryl sulfide that is diphenyl sulfide in which each phenyl group is substituted at position 2 by hydroxy and at positions 3 and 5 by chlorine. A fungicide and anthelmintic, it was used in various topical drug products for the treatment of liver flukes, but withdrawn after being shown to be a potent photosensitizer with the potential to cause serious skin disorders.

Bithionol: Halogenated anti-infective agent that is used against trematode and cestode infestations.
aryl sulfide;
bridged diphenyl antifungal drug;
bridged diphenyl fungicide;
dichlorobenzene;
organochlorine pesticide;
polyphenol
antifungal agrochemical;
antiplatyhelmintic drug
candesartancandesartan : A benzimidazolecarboxylic acid that is 1H-benzimidazole-7-carboxylic acid substituted by an ethoxy group at position 2 and a ({2'-(1H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl}methyl) group at position 1. It is a angiotensin receptor antagonist used for the treatment of hypertension.

candesartan: a nonpeptide angiotensin II receptor antagonist
benzimidazolecarboxylic acid;
biphenylyltetrazole
angiotensin receptor antagonist;
antihypertensive agent;
environmental contaminant;
xenobiotic
eflornithineeflornithine : A fluoroamino acid that is ornithine substituted by a difluoromethyl group at position 2.

Eflornithine: An inhibitor of ORNITHINE DECARBOXYLASE, the rate limiting enzyme of the polyamine biosynthetic pathway.
alpha-amino acid;
fluoroamino acid
trypanocidal drug
dichlorophenDichlorophen: Nontoxic laxative vermicide effective for taenia infestation. It tends to produce colic and nausea. It is also used as a veterinary fungicide, anthelmintic, and antiprotozoan. (From Merck, 11th ed.)bridged diphenyl fungicide;
diarylmethane
ethacrynic acidetacrynic acid : An aromatic ether that is phenoxyacetic acid in which the phenyl ring is substituted by chlorines at positions 2 and 3, and by a 2-methylidenebutanoyl group at position 4. It is a loop diuretic used to treat high blood pressure resulting from diseases such as congestive heart failure, liver failure, and kidney failure. It is also a glutathione S-transferase (EC 2.5.1.18) inhibitor.

Ethacrynic Acid: A compound that inhibits symport of sodium, potassium, and chloride primarily in the ascending limb of Henle, but also in the proximal and distal tubules. This pharmacological action results in excretion of these ions, increased urinary output, and reduction in extracellular fluid. This compound has been classified as a loop or high ceiling diuretic.
aromatic ether;
aromatic ketone;
dichlorobenzene;
monocarboxylic acid
EC 2.5.1.18 (glutathione transferase) inhibitor;
ion transport inhibitor;
loop diuretic
gabexateGabexate: A serine proteinase inhibitor used therapeutically in the treatment of pancreatitis, disseminated intravascular coagulation (DIC), and as a regional anticoagulant for hemodialysis. The drug inhibits the hydrolytic effects of thrombin, plasmin, and kallikrein, but not of chymotrypsin and aprotinin.benzoate ester
harmalolharmalol : A harmala alkaloid in which the harman skeleton is hydroxy-substituted at C-7 and has been reduced across the 3,4 bond.

harmalol: inhibitor of rat liver microsomal UDP-glucuronyltransferase; RN given refers to parent cpd; structure
harmala alkaloidalgal metabolite;
EC 1.4.3.4 (monoamine oxidase) inhibitor
hexachlorophenehexachlorophene : An organochlorine compound that is diphenylmethane in which each of the phenyl groups is substituted by chlorines at positions 2, 3, and 5, and by a hydroxy group at position 6. An antiseptic that is effective against Gram-positive organisms, it is used in soaps and creams for the treatment of various skin disorders. It is also used in agriculture as an acaricide and fungicide, but is not approved for such use within the European Union.

Hexachlorophene: A chlorinated bisphenol antiseptic with a bacteriostatic action against Gram-positive organisms, but much less effective against Gram-negative organisms. It is mainly used in soaps and creams and is an ingredient of various preparations used for skin disorders. (From Martindale, The Extra Pharmacopoeia, 30th ed, p797)
bridged diphenyl fungicide;
polyphenol;
trichlorobenzene
acaricide;
antibacterial agent;
antifungal agrochemical;
antiseptic drug
beta-lapachonebeta-lapachone : A benzochromenone that is 3,4-dihydro-2H-benzo[h]chromene-5,6-dione substituted by geminal methyl groups at position 2. Isolated from Tabebuia avellanedae, it exhibits antineoplastic and anti-inflammatory activities.

beta-lapachone: antineoplastic inhibitor of reverse transcriptase, DNA topoisomerase, and DNA polymerase
benzochromenone;
orthoquinones
anti-inflammatory agent;
antineoplastic agent;
plant metabolite
vitamin k 3Vitamin K 3: A synthetic naphthoquinone without the isoprenoid side chain and biological activity, but can be converted to active vitamin K2, menaquinone, after alkylation in vivo.1,4-naphthoquinones;
vitamin K
angiogenesis inhibitor;
antineoplastic agent;
EC 3.4.22.69 (SARS coronavirus main proteinase) inhibitor;
human urinary metabolite;
nutraceutical
mesalaminemesalamine : A monohydroxybenzoic acid that is salicylic acid substituted by an amino group at the 5-position.

Mesalamine: An anti-inflammatory agent, structurally related to the SALICYLATES, which is active in INFLAMMATORY BOWEL DISEASE. It is considered to be the active moiety of SULPHASALAZINE. (From Martindale, The Extra Pharmacopoeia, 30th ed)
amino acid;
aromatic amine;
monocarboxylic acid;
monohydroxybenzoic acid;
phenols
non-steroidal anti-inflammatory drug
nafamostatnafamostat: inhibitor of trypsin, plasmin, pancreatic kallikrein, plasma kallikrein & thrombin; strongly inhibits esterolytic activities of C1r & C1 esterase complement-mediated hemolysis; antineoplasticbenzoic acids;
guanidines
netropsinNetropsin: A basic polypeptide isolated from Streptomyces netropsis. It is cytotoxic and its strong, specific binding to A-T areas of DNA is useful to genetics research.
pentamidinepentamidine : A diether consisting of pentane-1,5-diol in which both hydroxyl hydrogens have been replaced by 4-amidinophenyl groups. A trypanocidal drug that is used for treatment of cutaneous leishmaniasis and Chagas disease.

Pentamidine: Antiprotozoal agent effective in trypanosomiasis, leishmaniasis, and some fungal infections; used in treatment of PNEUMOCYSTIS pneumonia in HIV-infected patients. It may cause diabetes mellitus, central nervous system damage, and other toxic effects.
aromatic ether;
carboxamidine;
diether
anti-inflammatory agent;
antifungal agent;
calmodulin antagonist;
chemokine receptor 5 antagonist;
EC 2.3.1.48 (histone acetyltransferase) inhibitor;
NMDA receptor antagonist;
S100 calcium-binding protein B inhibitor;
trypanocidal drug;
xenobiotic
primaquineprimaquine : An N-substituted diamine that is pentane-1,4-diamine substituted by a 6-methoxyquinolin-8-yl group at the N(4) position. It is a drug used in the treatment of malaria and Pneumocystis pneumonia.

Primaquine: An aminoquinoline that is given by mouth to produce a radical cure and prevent relapse of vivax and ovale malarias following treatment with a blood schizontocide. It has also been used to prevent transmission of falciparum malaria by those returning to areas where there is a potential for re-introduction of malaria. Adverse effects include anemias and GI disturbances. (From Martindale, The Extra Pharmacopeia, 30th ed, p404)
aminoquinoline;
aromatic ether;
N-substituted diamine
antimalarial
protoporphyrin ixprotoporphyrin : A cyclic tetrapyrrole that consists of porphyrin bearing four methyl substituents at positions 3, 8, 13 and 17, two vinyl substituents at positions 7 and 12 and two 2-carboxyethyl substituents at positions 2 and 18. The parent of the class of protoporphyrins.

protoporphyrin IX: RN given refers to parent cpd; structure in Merck Index, 9th ed, #7685
thalidomide2-(2,6-dioxopiperidin-3-yl)-1H-isoindole-1,3(2H)-dione : A dicarboximide that is isoindole-1,3(2H)-dione in which the hydrogen attached to the nitrogen is substituted by a 2,6-dioxopiperidin-3-yl group.

thalidomide : A racemate comprising equimolar amounts of R- and S-thalidomide.

Thalidomide: A piperidinyl isoindole originally introduced as a non-barbiturate hypnotic, but withdrawn from the market due to teratogenic effects. It has been reintroduced and used for a number of immunological and inflammatory disorders. Thalidomide displays immunosuppressive and anti-angiogenic activity. It inhibits release of TUMOR NECROSIS FACTOR-ALPHA from monocytes, and modulates other cytokine action.
phthalimides;
piperidones
tranexamic acidTranexamic Acid: Antifibrinolytic hemostatic used in severe hemorrhage.amino acid
cetrimonium bromidecetyltrimethylammonium bromide : The organic bromide salt that is the bromide salt of cetyltrimethylammonium; one of the components of the topical antiseptic cetrimide.organic bromide salt;
quaternary ammonium salt
detergent;
surfactant
ampicillinampicillin : A penicillin in which the substituent at position 6 of the penam ring is a 2-amino-2-phenylacetamido group.

Ampicillin: Semi-synthetic derivative of penicillin that functions as an orally active broad-spectrum antibiotic.
beta-lactam antibiotic;
penicillin;
penicillin allergen
antibacterial drug
purpurinpurpurin : A trihydroxyanthraquinone derived from anthracene by substitution with oxo groups at C-9 and C-10 and with hydroxy groups at C-1, C-2 and C-4.

purpurin: from Rubiaceae plants; structure in first source
trihydroxyanthraquinonebiological pigment;
histological dye;
plant metabolite
salicylanilidesalicylanilide : An amide of salicylic acid and of aniline; it is therefore both a salicylamide and an anilide.

salicylanilide: RN given refers to parent cpd
benzanilide fungicide;
salicylamides;
salicylanilides
benzanilide
benzethonium chloridebenzethonium chloride : A (synthetic) quaternary ammonium salt that is benzyldimethylamine in which the nitrogen is quaternised by a 2-{2-[p-(2,4,4-trimethylpentan-2-yl)phenoxy]ethoxy}ethyl group, with chloride as the counter-ion. An antiseptic and disinfectant, it is active against a broad spectrum of bacteria, fungi, moulds and viruses.aromatic ether;
chloride salt;
quaternary ammonium salt
antibacterial agent;
antifungal agent;
antiseptic drug;
antiviral agent;
disinfectant
evans blueEvans blue : An organic sodium salt that is the tetrasodium salt of 6,6'-{(3,3'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis[diazene-2,1-diyl]}bis(4-amino-5-hydroxynaphthalene-1,3-disulfonate). It is sometimes used as a counterstain, especially in fluorescent methods to suppress background autofluorescence.

Evans Blue: An azo dye used in blood volume and cardiac output measurement by the dye dilution method. It is very soluble, strongly bound to plasma albumin, and disappears very slowly.
organic sodium saltfluorochrome;
histological dye;
sodium channel blocker;
teratogenic agent
lithocholic acidlithocholate : A bile acid anion that is the conjugate base of lithocholic acid.

lithocholic acid : A monohydroxy-5beta-cholanic acid with a alpha-hydroxy substituent at position 3. It is a bile acid obtained from chenodeoxycholic acid by bacterial action.

Lithocholic Acid: A bile acid formed from chenodeoxycholate by bacterial action, usually conjugated with glycine or taurine. It acts as a detergent to solubilize fats for absorption and is itself absorbed. It is used as cholagogue and choleretic.
bile acid;
C24-steroid;
monohydroxy-5beta-cholanic acid
geroprotector;
human metabolite;
mouse metabolite
plumbaginplumbagin : A hydroxy-1,4-naphthoquinone that is 1,4-naphthoquinone in which the hydrogens at positions 2 and 5 are substituted by methyl and hydroxy groups, respectively.

plumbagin: a superoxide anion generator
hydroxy-1,4-naphthoquinone;
phenols
anticoagulant;
antineoplastic agent;
immunological adjuvant;
metabolite
gentian violetcrystal violet : An organic chloride salt that is the monochloride salt of crystal violet cation. It has been used in creams for the topical treatment of bacterial and fungal infections, being effective against some Gram-positive bacteria (notably Staphylococcus species) and some pathogenic fungi (including Candida species) but use declined following reports of animal carcinogenicity. It has also been used for dying wood, silk, and paper, as well as a histological stain.

Gentian Violet: A dye that is a mixture of violet rosanilinis with antibacterial, antifungal, and anthelmintic properties.
organic chloride saltanthelminthic drug;
antibacterial agent;
antifungal agent;
antiseptic drug;
histological dye
erythromycinerythromycin : 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.

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.
cyclic ketone;
erythromycin
agaric acidagaric acid: adenine nucleotide translocase antagonist
ethidium bromideorganic bromide saltgeroprotector;
intercalator;
trypanocidal drug
vancomycinvancomycin : 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.

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.
glycopeptideantibacterial drug;
antimicrobial agent;
bacterial metabolite
phenylguanidinephenylguanidine: RN given refers to parent cpd
amilorideamiloride : A member of the class of pyrazines resulting from the formal monoacylation of guanidine with the carboxy group of 3,5-diamino-6-chloropyrazine-2-carboxylic acid.

Amiloride: A pyrazine compound inhibiting SODIUM reabsorption through SODIUM CHANNELS in renal EPITHELIAL CELLS. This inhibition creates a negative potential in the luminal membranes of principal cells, located in the distal convoluted tubule and collecting duct. Negative potential reduces secretion of potassium and hydrogen ions. Amiloride is used in conjunction with DIURETICS to spare POTASSIUM loss. (From Gilman et al., Goodman and Gilman's The Pharmacological Basis of Therapeutics, 9th ed, p705)
aromatic amine;
guanidines;
organochlorine compound;
pyrazines
diuretic;
sodium channel blocker
cetylpyridinium chloridehydrate
rafoxanideRafoxanide: Veterinary anthelmintic for grazing animals; used to treat fluke, hookworm and other infestations.
paclitaxelTaxus: 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).taxane diterpenoid;
tetracyclic diterpenoid
antineoplastic agent;
human metabolite;
metabolite;
microtubule-stabilising agent
closantelclosantel : A racemate comprising equimolar amounts of (R)- and (S)-clostanel. An anthelmintic, it is used (as the dihydrate of the sodium salt) in veterinary medicine for the treatment of fluke and nematode infections.

closantel: structure

N-{5-chloro-4-[(4-chlorophenyl)(cyano)methyl]-2-methylphenyl}-2-hydroxy-3,5-diiodobenzamide : An aromatic amide resulting from the formal condensation of the carboxy group of 3,5-diiodosalicylic acid with the amino group of aniline substituted at positions 2, 4, and 5 by methyl, (4-chlorophenyl)(cyano)methyl, and methyl groups respectively.
aromatic amide;
monocarboxylic acid amide;
monochlorobenzenes;
nitrile;
organoiodine compound;
phenols
cefoperazonecefoperazone : A semi-synthetic parenteral cephalosporin with a tetrazolyl moiety that confers beta-lactamase resistance.

Cefoperazone: Semisynthetic broad-spectrum cephalosporin with a tetrazolyl moiety that is resistant to beta-lactamase. It may be used to treat Pseudomonas infections.
cephalosporinantibacterial drug
adapaleneadapalene : A naphthoic acid that is CD437 in which the phenolic hydroxy group has been converted to its methyl ether.

Adapalene: A naphthalene derivative that has specificity for RETINOIC ACID RECEPTORS. It is used as a DERMATOLOGIC AGENT for the treatment of ACNE.
adamantanes;
monocarboxylic acid;
naphthoic acid
dermatologic drug;
EC 2.7.11.22 (cyclin-dependent kinase) inhibitor;
non-steroidal anti-inflammatory drug
epigallocatechin gallate(-)-epigallocatechin 3-gallate : A gallate ester obtained by the formal condensation of gallic acid with the (3R)-hydroxy group of (-)-epigallocatechin.

epigallocatechin gallate: a steroid 5alpha-reductase inhibitor and antimutagen in green tea (Camellia sinensis)
flavans;
gallate ester;
polyphenol
antineoplastic agent;
antioxidant;
apoptosis inducer;
geroprotector;
Hsp90 inhibitor;
neuroprotective agent;
plant metabolite
leupeptinaldehyde;
tripeptide
bacterial metabolite;
calpain inhibitor;
cathepsin B inhibitor;
EC 3.4.21.4 (trypsin) inhibitor;
serine protease inhibitor
mci 9038peptide
sb 204070aSB 204070A: structure given in first source; a selective 5-HT(4) receptor antagonist
dx 9065
efegatranefegatran: RN & structure given in first source; RN given refers to parent cpd (D)-isomer
5-amidinoindole
5-(4-piperidyl)isoxazol-3-ol5-(4-piperidyl)isoxazol-3-ol: structure given in first source; a partial agonist at the GABA-A receptor on cultured hippocampal neurones; antagonizes muscimol-stimulated benzodiazepine binding to rat cortical membranespiperidines
ono 3307ONO 3307: RN given refers to parent cpd; structure given in first source
pomalidomide3-aminophthalimidoglutarimide: structure in first sourcearomatic amine;
dicarboximide;
isoindoles;
piperidones
angiogenesis inhibitor;
antineoplastic agent;
immunomodulator
4-guanidinobenzoate4-guanidinobenzoate: RN given refers to parent cpd

4-guanidinobenzoic acid : Benzoic acid substituted at the para position by a guanidino group.
benzoic acids;
guanidines
melagatranazetidines;
carboxamidine;
dicarboxylic acid monoamide;
non-proteinogenic alpha-amino acid;
secondary amino compound
anticoagulant;
EC 3.4.21.5 (thrombin) inhibitor;
serine protease inhibitor
pefabloc
beta-naphthamidinebeta-naphthamidine: RN given refers to parent cpd
razaxabanrazaxaban: structure in first source
dabigatrandabigatran : An aromatic amide obtained by formal condensation of the carboxy group of 2-{[(4-carbamimidoylphenyl)amino]methyl}-1-methyl-1H-benzimidazole-5-carboxylic acid with the secondary amoino group of N-pyridin-2-yl-beta-alanine. The active metabolite of the prodrug dabigatran etexilate, it acts as an anticoagulant which is used for the prevention of stroke and systemic embolism.

Dabigatran: A THROMBIN inhibitor which acts by binding and blocking thrombogenic activity and the prevention of thrombus formation. It is used to reduce the risk of stroke and systemic EMBOLISM in patients with nonvalvular atrial fibrillation.
aromatic amide;
benzimidazoles;
beta-alanine derivative;
carboxamidine;
pyridines
anticoagulant;
EC 1.10.99.2 [ribosyldihydronicotinamide dehydrogenase (quinone)] inhibitor;
EC 3.4.21.5 (thrombin) inhibitor
lenalidomidearomatic amine;
dicarboximide;
isoindoles;
piperidones
angiogenesis inhibitor;
antineoplastic agent;
immunomodulator
gossypol acetic acid
benzamidinecarboxamidinium ion
tretinoinall-trans-retinoic acid : A retinoic acid in which all four exocyclic double bonds have E- (trans-) geometry.

retinoic acid : A retinoid consisting of 3,7-dimethylnona-2,4,6,8-tetraenoic acid substituted at position 9 by a 2,6,6-trimethylcyclohex-1-en-1-yl group (geometry of the four exocyclic double bonds is not specified).

Tretinoin: An important regulator of GENE EXPRESSION during growth and development, and in NEOPLASMS. Tretinoin, also known as retinoic acid and derived from maternal VITAMIN A, is essential for normal GROWTH; and EMBRYONIC DEVELOPMENT. An excess of tretinoin can be teratogenic. It is used in the treatment of PSORIASIS; ACNE VULGARIS; and several other SKIN DISEASES. It has also been approved for use in promyelocytic leukemia (LEUKEMIA, PROMYELOCYTIC, ACUTE).
retinoic acid;
vitamin A
anti-inflammatory agent;
antineoplastic agent;
antioxidant;
AP-1 antagonist;
human metabolite;
keratolytic drug;
retinoic acid receptor agonist;
retinoid X receptor agonist;
signalling molecule
arachidonic acidarachidonate : A long-chain fatty acid anion resulting from the removal of a proton from the carboxy group of arachidonic acid.

icosa-5,8,11,14-tetraenoic acid : Any icosatetraenoic acid with the double bonds at positions 5, 8, 11 and 14.
icosa-5,8,11,14-tetraenoic acid;
long-chain fatty acid;
omega-6 fatty acid
Daphnia galeata metabolite;
EC 3.1.1.1 (carboxylesterase) inhibitor;
human metabolite;
mouse metabolite
riboflavinvitamin B2 : Any member of a group of vitamers that belong to the chemical structural class called flavins that exhibit biological activity against vitamin B2 deficiency. Symptoms associated with vitamin B2 deficiency include glossitis, seborrhea, angular stomaitis, cheilosis and photophobia. The vitamers include riboflavin and its phosphate derivatives (and includes their salt, ionised and hydrate forms).flavin;
vitamin B2
anti-inflammatory agent;
antioxidant;
cofactor;
Escherichia coli metabolite;
food colouring;
fundamental metabolite;
human urinary metabolite;
mouse metabolite;
photosensitizing agent;
plant metabolite
4'-methoxychalcone4'-methoxychalcone: RN given refers to compound with no isomeric designationchalcones
s 1033(trifluoromethyl)benzenes;
imidazoles;
pyridines;
pyrimidines;
secondary amino compound;
secondary carboxamide
anticoronaviral agent;
antineoplastic agent;
tyrosine kinase inhibitor
4-chloro-3-nitro-1-(phenylmethyl)-2-quinolinonequinolines
curcumincurcumin : A beta-diketone that is methane in which two of the hydrogens are substituted by feruloyl groups. A natural dyestuff found in the root of Curcuma longa.

Curcumin: A yellow-orange dye obtained from tumeric, the powdered root of CURCUMA longa. It is used in the preparation of curcuma paper and the detection of boron. Curcumin appears to possess a spectrum of pharmacological properties, due primarily to its inhibitory effects on metabolic enzymes.
aromatic ether;
beta-diketone;
diarylheptanoid;
enone;
polyphenol
anti-inflammatory agent;
antifungal agent;
antineoplastic agent;
biological pigment;
contraceptive drug;
dye;
EC 1.1.1.205 (IMP dehydrogenase) inhibitor;
EC 1.1.1.21 (aldehyde reductase) inhibitor;
EC 1.1.1.25 (shikimate dehydrogenase) inhibitor;
EC 1.6.5.2 [NAD(P)H dehydrogenase (quinone)] inhibitor;
EC 1.8.1.9 (thioredoxin reductase) inhibitor;
EC 2.7.10.2 (non-specific protein-tyrosine kinase) inhibitor;
EC 3.5.1.98 (histone deacetylase) inhibitor;
flavouring agent;
food colouring;
geroprotector;
hepatoprotective agent;
immunomodulator;
iron chelator;
ligand;
lipoxygenase inhibitor;
metabolite;
neuroprotective agent;
nutraceutical;
radical scavenger
2-(4-chlorophenyl)guanidineorganochlorine compound
telaprevircyclopentapyrrole;
cyclopropanes;
oligopeptide;
pyrazines
antiviral drug;
hepatitis C protease inhibitor;
peptidomimetic
3,7-dimethoxy-5,3',4'-trihydroxyflavone3,7-dimethoxy-5,3',4'-trihydroxyflavone: isolated from Veronia eremophila; structure given in first source

3',4',5-trihydroxy-3,7-dimethoxyflavone : A dimethoxyflavone that the 3,7-di-O-methyl derivative of quercetin.
dimethoxyflavone;
trihydroxyflavone
EC 1.3.1.22 [3-oxo-5alpha-steroid 4-dehydrogenase (NADP(+))] inhibitor;
metabolite
gossypetingossypetin : A hexahydroxyflavone having the hydroxy groups placed at the 3-, 3'-, 4'-, 5- 7- and 8-positions.

gossypetin: inhibits activity of penicillinase enzyme in E coli
7-hydroxyflavonol;
hexahydroxyflavone
plant metabolite
vitamin d 2Ergocalciferols: Derivatives of ERGOSTEROL formed by ULTRAVIOLET RAYS breaking of the C9-C10 bond. They differ from CHOLECALCIFEROL in having a double bond between C22 and C23 and a methyl group at C24.

vitamin D2 : A vitamin D supplement and has been isolated from alfalfa.
hydroxy seco-steroid;
seco-ergostane;
vitamin D
bone density conservation agent;
nutraceutical;
plant metabolite;
rodenticide
cholecalciferolcalciol : A hydroxy seco-steroid that is (5Z,7E)-9,10-secocholesta-5,7,10(19)-triene in which the pro-S hydrogen at position 3 has been replaced by a hydroxy group. It is the inactive form of vitamin D3, being hydroxylated in the liver to calcidiol (25-hydroxyvitamin D3), which is then further hydroxylated in the kidney to give calcitriol (1,25-dihydroxyvitamin D3), the active hormone.

Cholecalciferol: Derivative of 7-dehydroxycholesterol formed by ULTRAVIOLET RAYS breaking of the C9-C10 bond. It differs from ERGOCALCIFEROL in having a single bond between C22 and C23 and lacking a methyl group at C24.
D3 vitamins;
hydroxy seco-steroid;
seco-cholestane;
secondary alcohol;
steroid hormone
geroprotector;
human metabolite
morinmorin : A pentahydroxyflavone that is 7-hydroxyflavonol bearing three additional hydroxy substituents at positions 2' 4' and 5.

morin: a light yellowish pigment found in the wood of old fustic (Chlorophora tinctoria)
7-hydroxyflavonol;
pentahydroxyflavone
angiogenesis modulating agent;
anti-inflammatory agent;
antibacterial agent;
antihypertensive agent;
antineoplastic agent;
antioxidant;
EC 5.99.1.2 (DNA topoisomerase) inhibitor;
hepatoprotective agent;
metabolite;
neuroprotective agent
4-hydroxychalcone4-hydroxychalcone : A member of the class of chalcones that is trans-chalcone substituted by a hydroxy group at position 4.

4-hydroxychalcone: structure in first source
chalcones;
phenols
antihypertensive agent;
plant metabolite
4'-hydroxychalcone4'-hydroxychalcone : A member of the class of chalcones that is trans-chalcone substituted by a hydroxy group at position 4'.

4'-hydroxychalcone: inhibits TNFalpha-induced NF-κB activation; structure in first source
chalcones;
phenols
anti-inflammatory agent;
antineoplastic agent
phenoxybenzamine hydrochlorideorganic molecular entity
nalbuphineNalbuphine: A narcotic used as a pain medication. It appears to be an agonist at KAPPA RECEPTORS and an antagonist or partial agonist at MU RECEPTORS.organic heteropentacyclic compoundmu-opioid receptor antagonist;
opioid analgesic
hydroxygenkwaninhydroxygenkwanin: isolated from leaves of Daphne genkwaether;
flavonoids
cefuroxime3-(carbamoyloxymethyl)cephalosporin;
furans;
oxime O-ether
drug allergen
ceftriaxone1,2,4-triazines;
1,3-thiazoles;
cephalosporin;
oxime O-ether
antibacterial drug;
drug allergen;
EC 3.5.2.6 (beta-lactamase) inhibitor
22,23-dihydroavermectin b(1)a22,23-dihydroavermectin B(1)a: C48H74O14; major component of IVERMECTIN; MW 875.093; structure given in first source

22,23-dihydroavermectin B1a : A macrocyclic lactone that is avermectin B1a in which the double bond present in the spirocyclic ring system has been reduced to a single bond. It is the major component of ivermectin.
macrocyclic lactone;
spiroketal
avermectin b(1)aavermectin B(1)a: RN given refers to avermectin B(1)a; see also avermectins & demethylavermectinsavermectin
ceftizoximecephalosporinantibacterial drug
nifurtimoxNifurtimox: A nitrofuran thiazine that has been used against TRYPANOSOMIASIS.nitrofuran antibiotic
bms 7408081-(3-aminobenzisoxazol-5'-yl)-3-trifluoromethyl-6-(2'-(3-hydroxy-N-pyrrolidinyl)methyl-(1,1')-biphen-4-yl)-1,4,5,6-tetrahydropyrazolo-(3,4-c)-pyridin-7-one: structure in first source
uk-356,202UK-356,202: structure in first source
n-alpha-(2,4,6-triisopropyl-phenylsulfonyl)-3-amidino-(l)-phenyl-alanine-4-ethoxycarbonyl-piperazide hydrochloride
gw 813893
lb 30057
a-317567A-317567: acid sensing ion channel blocker; structure in first source
betrixabanbetrixaban : A secondary carboxamide obtained by formal condensation of the carboxy group of 4-(N,N-dimethylcarbamimidoyl)benzoic acid with the amino group of 2-amino-N-(5-chloropyridin-2-yl)-5-methoxybenzamide. A synthetic anticoagulant compound that targets activated factor Xa in the coagulation cascade.

betrixaban: a highly potent, selective, and orally efficacious factor Xa inhibitor; structure in first source
benzamides;
guanidines;
monochloropyridine;
monomethoxybenzene;
secondary carboxamide
anticoagulant;
EC 3.4.21.6 (coagulation factor Xa) inhibitor
rpr 120844
n-(3-amino-1-(cyclobutylmethyl)-2,3-dioxopropyl)-3-(2-((((1,1-dimethylethyl)amino)carbonyl)amino)-3,3-dimethyl-1-oxobutyl)-6,6-dimethyl-3-azabicyclo(3.1.0)hexan-2-carboxamideboceprevir : A synthetic tripeptide consisting of N-(tert-butylcarbamoyl)-3-methyl-L-valyl, a cyclopropyl-fused prolyl and 3-amino-4-cyclobutyl-2-oxobutanamide residues joined in sequence. Used for treatment of chronic hepatitis C virus genotype 1 infection.tripeptide;
ureas
antiviral drug;
hepatitis C protease inhibitor;
peptidomimetic
m-chlorophenylguanidine
erythrosineerythrosin B : An organic sodium salt that is the disodium salt of 2-(2,4,5,7-tetraiodo-6-oxido-3-oxo-8a,10a-dihydroxanthen-9-yl)benzoic acid.

Erythrosine: A tetraiodofluorescein used as a red coloring in some foods (cherries, fish), as a disclosure of DENTAL PLAQUE, and as a stain of some cell types. It has structural similarity to THYROXINE.
tanninsgallotannin : A class of hydrolysable tannins obtained by condensation of the carboxy group of gallic acid (and its polymeric derivatives) with the hydroxy groups of a monosaccharide (most commonly glucose).tannin
ly-146032heterodetic cyclic peptide;
lipopeptide;
lipopeptide antibiotic;
macrocycle;
macrolide
antibacterial drug;
bacterial metabolite;
calcium-dependent antibiotics
mk-7009vaniprevir : An azamacrocyclic compound that is a hepatitis C virus (HCV) NS3/4A protease inhibitor which is approved for the treatment of hepatitis C virus infections in Japan.

vaniprevir: inhibits hepatitis C virus NS3/4a protease
azamacrocycle;
carbamate ester;
cyclopropanes;
N-sulfonylcarboxamide;
pyrrolidinecarboxamide
antiviral drug;
hepatitis C protease inhibitor
grassystatin agrassystatin A: isolated from a cyanobacterium, identified as Lyngbya cf.; structure in first source
jq1 compoundcarboxylic ester;
organochlorine compound;
tert-butyl ester;
thienotriazolodiazepine
angiogenesis inhibitor;
anti-inflammatory agent;
antineoplastic agent;
apoptosis inducer;
bromodomain-containing protein 4 inhibitor;
cardioprotective agent;
ferroptosis inducer
6-o-palmitoylascorbic acidfatty acid ester
rpx7009RPX7009: a beta-lactamase inhibitor; structure in first source
MZ1organic molecular entity
rifampinRifampin: 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)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
hemateinhematein : An organic heterotetracyclic compound that is -6a,7-dihydrobenzo[b]indeno[1,2-d]pyran-9-one carrying four hydroxy substituents at positions 3, 4, 6a and 10.

hematein: structure