Target type: molecularfunction
A G protein-coupled neurotransmitter receptor activity, occurring in the postsynaptic membrane, involved in regulation of postsynaptic membrane potential. [GOC:dos]
G protein-coupled neurotransmitter receptors are integral membrane proteins that play a crucial role in mediating communication between neurons. They are responsible for transducing extracellular signals, such as neurotransmitters, into intracellular responses. This process involves a complex cascade of molecular events that ultimately lead to changes in the postsynaptic membrane potential.
When a neurotransmitter binds to its specific receptor, it initiates a conformational change in the receptor protein. This conformational shift exposes a binding site for a G protein, which is a heterotrimeric complex composed of α, β, and γ subunits. The G protein then binds to the receptor and undergoes an exchange of GDP for GTP on the α subunit. This activation of the α subunit causes it to dissociate from the βγ dimer, both of which can then interact with downstream effector proteins.
One of the primary effector proteins activated by G protein-coupled neurotransmitter receptors is adenylyl cyclase, an enzyme responsible for synthesizing cyclic AMP (cAMP). cAMP acts as a second messenger, diffusing through the cytoplasm and activating protein kinase A (PKA). PKA, in turn, phosphorylates various target proteins, leading to a variety of downstream cellular responses, including changes in gene expression, enzyme activity, and ion channel conductance.
Another important downstream effector protein is phospholipase C (PLC), which is activated by G protein-coupled receptors that signal through Gαq or Gα11. PLC catalyzes the hydrolysis of phosphatidylinositol 4,5-bisphosphate (PIP2) into diacylglycerol (DAG) and inositol trisphosphate (IP3). DAG activates protein kinase C (PKC), while IP3 binds to receptors on the endoplasmic reticulum, triggering the release of calcium ions (Ca2+) into the cytoplasm.
The increase in intracellular calcium levels can have a number of effects on postsynaptic membrane potential. First, it can directly activate calcium-dependent ion channels, leading to membrane depolarization. Second, it can activate calcium-dependent signaling pathways, such as the calmodulin-dependent protein kinase pathway, which can regulate the activity of other ion channels and signaling proteins.
In addition to these direct effects on postsynaptic membrane potential, G protein-coupled neurotransmitter receptors can also indirectly influence membrane potential by modulating the release of other neurotransmitters. For example, some receptors can activate presynaptic signaling pathways that lead to increased neurotransmitter release, while others can suppress neurotransmitter release.
Overall, G protein-coupled neurotransmitter receptors play a central role in regulating postsynaptic membrane potential by initiating a complex cascade of molecular events that involves the activation of G proteins, effector proteins, and downstream signaling pathways. This intricate system allows for precise control over neuronal communication, ensuring that the brain can effectively process information and generate appropriate responses to external stimuli.'
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| Protein | Definition | Taxonomy |
|---|---|---|
| Gamma-aminobutyric acid type B receptor subunit 1 | A gamma-aminobutyric acid type B receptor subunit 1 that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q9UBS5] | Homo sapiens (human) |
| Beta-1 adrenergic receptor | A beta-1 adrenergic receptor that is encoded in the genome of human. [PRO:WCB, UniProtKB:P08588] | Homo sapiens (human) |
| Compound | Definition | Classes | Roles |
|---|---|---|---|
| gamma-aminobutyric acid | gamma-aminobutyric acid : A gamma-amino acid that is butanoic acid with the amino substituent located at C-4. gamma-Aminobutyric Acid: The most common inhibitory neurotransmitter in the central nervous system. | amino acid zwitterion; gamma-amino acid; monocarboxylic acid | human metabolite; neurotransmitter; Saccharomyces cerevisiae metabolite; signalling molecule |
| 1-(2-methoxyphenyl)piperazine | 1-(2-methoxyphenyl)piperazine: RN given refers to parent cpd | piperazines | |
| 1-(3-chlorophenyl)piperazine | 1-(3-chlorophenyl)piperazine : A N-arylpiperazine that is piperazine carrying a 3-chlorophenyl substituent at position 1. It is a metabolite of the antidepressant drug trazodone. 1-(3-chlorophenyl)piperazine: supposed metabolite of TRAZODONE; RN given refers to parent cpd; structure | monochlorobenzenes; N-arylpiperazine | drug metabolite; environmental contaminant; serotonergic agonist; xenobiotic |
| acebutolol | acebutolol : An ether that is the 2-acetyl-4-(butanoylamino)phenyl ether of the primary hydroxy group of 3-(propan-2-ylamino)propane-1,2-diol. Acebutolol: A cardioselective beta-1 adrenergic antagonist with little effect on the bronchial receptors. The drug has stabilizing and quinidine-like effects on cardiac rhythm, as well as weak inherent sympathomimetic action. | aromatic amide; ethanolamines; ether; monocarboxylic acid amide; propanolamine; secondary amino compound | anti-arrhythmia drug; antihypertensive agent; beta-adrenergic antagonist; sympathomimetic agent |
| albuterol | albuterol : 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 |
| alprenolol | alprenolol : A secondary alcohol that is propan-2-ol substituted by a 2-allylphenoxy group at position 1 and an isopropylamino group at position 3. It is a beta-adrenergic antagonist used as a antihypertensive, anti-arrhythmia and a sympatholytic agent. Alprenolol: One of the ADRENERGIC BETA-ANTAGONISTS used as an antihypertensive, anti-anginal, and anti-arrhythmic agent. | secondary alcohol; secondary amino compound | anti-arrhythmia drug; antihypertensive agent; beta-adrenergic antagonist; sympatholytic agent |
| amiodarone | amiodarone : A member of the class of 1-benzofurans that is 1-benzofuran substituted by a butyl group at position 2 and a 4-[2-(diethylamino)ethoxy]-3,5-diiodobenzoyl group at position 3. It is a cardiovascular drug used for the treatment of cardiac dysrhythmias. Amiodarone: An antianginal and class III antiarrhythmic drug. It increases the duration of ventricular and atrial muscle action by inhibiting POTASSIUM CHANNELS and VOLTAGE-GATED SODIUM CHANNELS. There is a resulting decrease in heart rate and in vascular resistance. | 1-benzofurans; aromatic ketone; organoiodine compound; tertiary amino compound | cardiovascular drug |
| astemizole | astemizole : A piperidine compound having a 2-(4-methoxyphenyl)ethyl group at the 1-position and an N-[(4-fluorobenzyl)benzimidazol-2-yl]amino group at the 4-position. Astemizole: Antihistamine drug now withdrawn from the market in many countries because of rare but potentially fatal side effects. | benzimidazoles; piperidines | anti-allergic agent; anticoronaviral agent; H1-receptor antagonist |
| atenolol | atenolol : An ethanolamine compound having a (4-carbamoylmethylphenoxy)methyl group at the 1-position and an N-isopropyl substituent. Atenolol: A cardioselective beta-1 adrenergic blocker possessing properties and potency similar to PROPRANOLOL, but without a negative inotropic effect. | ethanolamines; monocarboxylic acid amide; propanolamine | anti-arrhythmia drug; antihypertensive agent; beta-adrenergic antagonist; environmental contaminant; sympatholytic agent; xenobiotic |
| baclofen | amino acid zwitterion; gamma-amino acid; monocarboxylic acid; monochlorobenzenes; primary amino compound | central nervous system depressant; GABA agonist; muscle relaxant | |
| betaxolol | propanolamine | antihypertensive agent; beta-adrenergic antagonist; sympatholytic agent | |
| bisoprolol | Bisoprolol: A cardioselective beta-1 adrenergic blocker. It is effective in the management of HYPERTENSION and ANGINA PECTORIS. | secondary alcohol; secondary amine | anti-arrhythmia drug; antihypertensive agent; beta-adrenergic antagonist; sympatholytic agent |
| bupranolol | Bupranolol: An adrenergic-beta-2 antagonist that has been used for cardiac arrhythmia, angina pectoris, hypertension, glaucoma, and as an antithrombotic. | aromatic ether | |
| carteolol | Carteolol: A beta-adrenergic antagonist used as an anti-arrhythmia agent, an anti-angina agent, an antihypertensive agent, and an antiglaucoma agent. | quinolone; secondary alcohol | anti-arrhythmia drug; antiglaucoma drug; antihypertensive agent; beta-adrenergic antagonist; sympatholytic agent |
| carvedilol | carbazoles; secondary alcohol; secondary amino compound | alpha-adrenergic antagonist; antihypertensive agent; beta-adrenergic antagonist; cardiovascular drug; vasodilator agent | |
| cgp 20712a | imidazoles | ||
| cgp 12177 | CGP 12177 : A benzimidazole that is benzimidazol-2-one substituted at position 4 by a 3-(tert-butylamino)-2-hydroxypropoxy group. | aromatic ether; benzimidazoles; secondary alcohol; secondary amino compound | beta-adrenergic antagonist |
| cimaterol | benzenes; nitrile | ||
| cisapride | cisapride : The amide resulting from formal condensation of 4-amino-5-chloro-2-methoxybenzoic acid with cis-1-[3-(4-fluorophenoxy)propyl]-3-methoxypiperidin-4-amine. It has been used (as its monohydrate or as its tartrate) for the treatment of gastro-oesophageal reflux disease and for non-ulcer dyspepsia, but its propensity to cause cardiac arrhythmias resulted in its complete withdrawal from many countries, including the U.K., and restrictions on its use elsewhere. Cisapride: A substituted benzamide used for its prokinetic properties. It is used in the management of gastroesophageal reflux disease, functional dyspepsia, and other disorders associated with impaired gastrointestinal motility. (Martindale The Extra Pharmacopoeia, 31st ed) | benzamides | |
| clenbuterol | clenbuterol : A substituted aniline that is 2,6-dichloroaniline in which the hydrogen at position 4 has been replaced by a 2-(tert-butylamino)-1-hydroxyethyl group. Clenbuterol: A substituted phenylaminoethanol that has beta-2 adrenomimetic properties at very low doses. It is used as a bronchodilator in asthma. | amino alcohol; dichlorobenzene; ethanolamines; primary arylamine; secondary amino compound; substituted aniline | beta-adrenergic agonist; bronchodilator agent; sympathomimetic agent |
| clorprenaline | 1-(2-chlorophenyl)-2-isopropylaminoethanol : A member of the class of monochlorobenzenes that is chlorobenzene which is substituted by a 1-hydroxy-2-[(propan-2-yl)amino]ethyl group at position 2. clorprenaline : A racemate comprise of equimolar amounts of (R)- and (S)-clorprenaline. It is a beta2-adrenergic receptor agonist and a bronchodilator. | ethanolamines; monochlorobenzenes; secondary amino compound | |
| clotrimazole | conazole antifungal drug; imidazole antifungal drug; imidazoles; monochlorobenzenes | antiinfective agent; environmental contaminant; xenobiotic | |
| econazole | 1-{2-(4-chlorobenzyloxy)-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 4-chlorobenzyl group. econazole : A racemate composed of equimolar amounts of (R)- and (S)-econazole. Used (as its nitrate salt) to treat skin infections such as athlete's foot, jock itch, ringworm and other fungal skin infections. Econazole: An imidazole derivative that is commonly used as a topical antifungal agent. | dichlorobenzene; ether; imidazoles; monochlorobenzenes | |
| formoterol fumarate | N-[2-hydroxy-5-(1-hydroxy-2-{[1-(4-methoxyphenyl)propan-2-yl]amino}ethyl)phenyl]formamide : A phenylethanoloamine having 4-hydroxy and 3-formamido substituents on the phenyl ring and an N-(4-methoxyphenyl)propan-2-yl substituent. | formamides; phenols; phenylethanolamines; secondary alcohol; secondary amino compound | |
| ici 118551 | indanes | ||
| isoproterenol | 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. 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. | catechols; secondary alcohol; secondary amino compound | beta-adrenergic agonist; bronchodilator agent; cardiotonic drug; sympathomimetic agent |
| labetalol | 2-hydroxy-5-{1-hydroxy-2-[(4-phenylbutan-2-yl)amino]ethyl}benzamide : A member of the class of benzamides that is benzamide substituted by a hydroxy group at position 2 and by a 1-hydroxy-2-[(4-phenylbutan-2-yl)amino]ethyl group at position 5. labetalol : A diastereoisomeric mixture of approximately equal amounts of all four possible stereoisomers ((R,S)-labetolol, (S,R)-labetolol, (S,S)-labetalol and (R,R)-labetalol). It is an adrenergic antagonist used to treat high blood pressure. Labetalol: A salicylamide derivative that is a non-cardioselective blocker of BETA-ADRENERGIC RECEPTORS and ALPHA-1 ADRENERGIC RECEPTORS. | benzamides; benzenes; phenols; primary carboxamide; salicylamides; secondary alcohol; secondary amino compound | |
| metoprolol | metoprolol : A propanolamine that is 1-(propan-2-ylamino)propan-2-ol substituted by a 4-(2-methoxyethyl)phenoxy group at position 1. Metoprolol: A selective adrenergic beta-1 blocking agent that is commonly used to treat ANGINA PECTORIS; HYPERTENSION; and CARDIAC ARRHYTHMIAS. | aromatic ether; propanolamine; secondary alcohol; secondary amino compound | antihypertensive agent; beta-adrenergic antagonist; environmental contaminant; geroprotector; xenobiotic |
| miconazole | 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. Miconazole: An imidazole antifungal agent that is used topically and by intravenous infusion. | dichlorobenzene; ether; imidazoles | |
| pindolol | pindolol : A member of the class of indols which is the 2-hydroxy-3-(isopropylamino)propyl ether derivative of 1H-indol-4-ol. Pindolol: A moderately lipophilic beta blocker (ADRENERGIC BETA-ANTAGONISTS). It is non-cardioselective and has intrinsic sympathomimetic actions, but little membrane-stabilizing activity. (From Martindale, The Extra Pharmocopoeia, 30th ed, p638) | indoles; secondary amine | antiglaucoma drug; antihypertensive agent; beta-adrenergic antagonist; serotonergic antagonist; vasodilator agent |
| practolol | practolol : N-(4-Hydroxyphenyl)acetamide in which the hydrogen of the phenolic hydroxy group is substituted by a 3-(isopropylaminoamino)-2-hydroxypropyl group. A selective beta blocker, it has been used in the emergency treatment of cardiac arrhythmias. Practolol: A beta-1 adrenergic antagonist that has been used in the emergency treatment of CARDIAC ARRYTHMIAS. | acetamides; ethanolamines; propanolamine; secondary alcohol; secondary amino compound | anti-arrhythmia drug; beta-adrenergic antagonist |
| pronethalol | pronethalol: was heading 1964-94 (Prov 1964-66); NAPHTHYLISOPROTERENOL was see PRONETHALOL 1977-94; use ETHANOLAMINES to search PRONETHALOL 1966-94 | naphthalenes | |
| propafenone | propafenone : An aromatic ketone that is 3-(propylamino)propane-1,2-diol in which the hydrogen of the primary hydroxy group is replaced by a 2-(3-phenylpropanoyl)phenyl group. It is a class 1C antiarrhythmic drug with local anesthetic effects, and is used as the hydrochloride salt in the management of supraventricular and ventricular arrhythmias. Propafenone: An antiarrhythmia agent that is particularly effective in ventricular arrhythmias. It also has weak beta-blocking activity. | aromatic ketone; secondary alcohol; secondary amino compound | anti-arrhythmia drug |
| propranolol | propranolol : A propanolamine that is propan-2-ol substituted by a propan-2-ylamino group at position 1 and a naphthalen-1-yloxy group at position 3. Propranolol: A widely used non-cardioselective beta-adrenergic antagonist. Propranolol has been used for MYOCARDIAL INFARCTION; ARRHYTHMIA; ANGINA PECTORIS; HYPERTENSION; HYPERTHYROIDISM; MIGRAINE; PHEOCHROMOCYTOMA; and ANXIETY but adverse effects instigate replacement by newer drugs. | naphthalenes; propanolamine; secondary amine | anti-arrhythmia drug; antihypertensive agent; anxiolytic drug; beta-adrenergic antagonist; environmental contaminant; human blood serum metabolite; vasodilator agent; xenobiotic |
| quipazine | Quipazine: A pharmacologic congener of serotonin that contracts smooth muscle and has actions similar to those of tricyclic antidepressants. It has been proposed as an oxytocic. | piperazines; pyridines | |
| salmeterol xinafoate | 2-(hydroxymethyl)-4-(1-hydroxy-2-{[6-(4-phenylbutoxy)hexyl]amino}ethyl)phenol : A phenol having a hydroxymethyl group at C-2 and a 1-hydroxy-2-{[6-(4-phenylbutoxy)hexyl]amino}ethyl group at C-4; derivative of phenylethanolamine. salmeterol : A racemate consisting of equal parts of (R)- and (S)-salmeterol. It is a potent and selective beta2-adrenoceptor agonist (EC50 = 5.3 nM). Unlike other beta2 agonists, it binds to the exo-site domain of beta2 receptors, producing a slow onset of action and prolonged activation. | ether; phenols; primary alcohol; secondary alcohol; secondary amino compound | |
| sotalol | sotalol : A sulfonamide that is N-phenylmethanesulfonamide in which the phenyl group is substituted at position 4 by a 1-hydroxy-2-(isopropylamino)ethyl group. It has both beta-adrenoreceptor blocking (Vaughan Williams Class II) and cardiac action potential duration prolongation (Vaughan Williams Class III) antiarrhythmic properties. It is used (usually as the hydrochloride salt) for the management of ventricular and supraventricular arrhythmias. Sotalol: An adrenergic beta-antagonist that is used in the treatment of life-threatening arrhythmias. | ethanolamines; secondary alcohol; secondary amino compound; sulfonamide | anti-arrhythmia drug; beta-adrenergic antagonist; environmental contaminant; xenobiotic |
| terbutaline | terbutaline : A member of the class of phenylethanolamines that is catechol substituted at position 5 by a 2-(tert-butylamino)-1-hydroxyethyl group. Terbutaline: A selective beta-2 adrenergic agonist used as a bronchodilator and tocolytic. | phenylethanolamines; resorcinols | anti-asthmatic drug; beta-adrenergic agonist; bronchodilator agent; EC 3.1.1.7 (acetylcholinesterase) inhibitor; hypoglycemic agent; sympathomimetic agent; tocolytic agent |
| (1,2,5,6-tetrahydropyridin-4-yl)methylphosphinic acid | (1,2,5,6-tetrahydropyridin-4-yl)methylphosphinic acid: a GABA-C receptor antagonist; structure in first source | ||
| vigabatrin | gamma-amino acid | anticonvulsant; EC 2.6.1.19 (4-aminobutyrate--2-oxoglutarate transaminase) inhibitor | |
| lysergic acid diethylamide | lysergic acid diethylamide : An ergoline alkaloid arising from formal condensation of lysergic acid with diethylamine. Lysergic Acid Diethylamide: Semisynthetic derivative of ergot (Claviceps purpurea). It has complex effects on serotonergic systems including antagonism at some peripheral serotonin receptors, both agonist and antagonist actions at central nervous system serotonin receptors, and possibly effects on serotonin turnover. It is a potent hallucinogen, but the mechanisms of that effect are not well understood. | ergoline alkaloid; monocarboxylic acid amide; organic heterotetracyclic compound | dopamine agonist; hallucinogen; serotonergic agonist |
| isoproterenol hydrochloride | catechols | ||
| phenylephrine | phenylephrine : A member of the class of the class of phenylethanolamines that is (1R)-2-(methylamino)-1-phenylethan-1-ol carrying an additional hydroxy substituent at position 3 on the phenyl ring. Phenylephrine: An alpha-1 adrenergic agonist used as a mydriatic, nasal decongestant, and cardiotonic agent. | phenols; phenylethanolamines; secondary amino compound | alpha-adrenergic agonist; cardiotonic drug; mydriatic agent; nasal decongestant; protective agent; sympathomimetic agent; vasoconstrictor agent |
| phenylpiperazine | phenylpiperazine: RN given refers to parent cpd | ||
| ergotamine | ergotamine : A peptide ergot alkaloid that is dihydroergotamine in which a double bond replaces the single bond between positions 9 and 10. Ergotamine: A vasoconstrictor found in ergot of Central Europe. It is a serotonin agonist that has been used as an oxytocic agent and in the treatment of MIGRAINE DISORDERS. | peptide ergot alkaloid | alpha-adrenergic agonist; mycotoxin; non-narcotic analgesic; oxytocic; serotonergic agonist; vasoconstrictor agent |
| indopan | alpha-methyltryptamine : A tryptamine derivative having a methyl substituent at the alpha-position. indopan: RN given refers to parent cpd without isomeric designation | tryptamines | |
| 4-amino-3-phenylbutyric acid | 4-amino-3-phenylbutyric acid: phenyl deriv of GABA; RN given refers to cpd without isomeric designation; structure | organonitrogen compound; organooxygen compound | |
| dexpropranolol | propranolol | ||
| lisuride | Lisuride: An ergot derivative that acts as an agonist at dopamine D2 receptors (DOPAMINE AGONISTS). It may also act as an antagonist at dopamine D1 receptors, and as an agonist at some serotonin receptors (SEROTONIN RECEPTOR AGONISTS). | monocarboxylic acid amide | antidyskinesia agent; antiparkinson drug; dopamine agonist; serotonergic agonist |
| bromocriptine | Bromocriptine: A semisynthetic ergotamine alkaloid that is a dopamine D2 agonist. It suppresses prolactin secretion. | indole alkaloid | antidyskinesia agent; antiparkinson drug; dopamine agonist; hormone antagonist |
| 1-(3-chloro-5-benzo[b][1]benzoxepinyl)-4-methylpiperazine | N-alkylpiperazine; organic heterotricyclic compound | ||
| timolol | (S)-timolol (anhydrous) : The (S)-(-) (more active) enantiomer of timolol. A beta-adrenergic antagonist, both the hemihydrate and the maleate salt are used in the mangement of glaucoma, hypertension, angina pectoris and myocardial infarction, and for the prevention of migraine. | timolol | anti-arrhythmia drug; antiglaucoma drug; antihypertensive agent; beta-adrenergic antagonist |
| dobutamine | dobutamine : A catecholamine that is 4-(3-aminobutyl)phenol in which one of the hydrogens attached to the nitrogen is substituted by a 2-(3,4-dihydroxyphenyl)ethyl group. A beta1-adrenergic receptor agonist that has cardiac stimulant action without evoking vasoconstriction or tachycardia, it is used as the hydrochloride to increase the contractility of the heart in the management of acute heart failure. Dobutamine: A catecholamine derivative with specificity for BETA-1 ADRENERGIC RECEPTORS. It is commonly used as a cardiotonic agent after CARDIAC SURGERY and during DOBUTAMINE STRESS ECHOCARDIOGRAPHY. | catecholamine; secondary amine | beta-adrenergic agonist; cardiotonic drug; sympathomimetic agent |
| sq-11725 | nadolol : Nadolol is a diastereoisomeric mixture consisting of equimolar amounts of the four possible 2,3-cis-isomers of 5-[3-(tert-butylamino)-2-hydroxypropoxy]-1,2,3,4-tetrahydronaphthalene-2,3-diol. Nadolol: A non-selective beta-adrenergic antagonist with a long half-life, used in cardiovascular disease to treat arrhythmias, angina pectoris, and hypertension. Nadolol is also used for MIGRAINE DISORDERS and for tremor. | ||
| levobunolol | levobunolol : A cyclic ketone that is 3,4-dihydronaphthalen-1-one substituted at position 5 by a 3-(tert-butylamino)-2-hydroxypropoxy group (the S-enantiomer). A non-selective beta-adrenergic antagonist used (as its hydrochloride salt) for treatment of glaucoma. Levobunolol: The L-Isomer of bunolol. | aromatic ether; cyclic ketone; propanolamine | antiglaucoma drug; beta-adrenergic antagonist |
| bopindolol | 1-(tert-butylamino)-3-[(2-methyl-1H-indol-4-yl)oxy]propan-2-yl benzoate : A methylindole that is 2-methyl-1H-indol-4-ol in which the hydrogen of the hydroxy group is replaced by a 2-(benzoyloxy)-3-(tert-butylamino)propyl group. bopindolol : A racemate comprising of equal amounts of (R)-bopindolol and (S)-bopindolol. It is a non-selective antagonist of beta1- and beta2-adrenoceptors and a prodrug in which the ester group is hydrolysed to form the corresponding hydroxy derivative. bopindolol: RN given refers to cpd without isomeric designation | aromatic ether; benzoate ester; methylindole; secondary amino compound | |
| Arbaclofen | organonitrogen compound; organooxygen compound | ||
| flestolol | flestolol: short-acting beta blockader | ||
| sematilide | sematilide: RN refers to HCl; structure given in first source | ||
| esmolol | esmolol : A racemate comprising equimolar amounts of (R)- and (S)-esmolol. A cardioselective and short-acting beta1 receptor blocker with rapid onset but lacking intrinsic sympathomimetic and membrane-stabilising properties, it is used as the hydrochloride salt in the management of supraventricular arrhythmias, and for the control of hypertension and tachycardia during surgery. While the S enantiomer possesses all of the heart rate control, both enantiomers contribute to lowering blood pressure. methyl 3-{4-[2-hydroxy-3-(propan-2-ylamino)propoxy]phenyl}propanoate : A methyl ester that is methyl 3-(4-hydroxyphenyl)propanoate in which the hydrogen attached to the phenolic hydroxy group is substituted by a 2-hydroxy-3-(isopropylamino)propyl group. | aromatic ether; ethanolamines; methyl ester; secondary alcohol; secondary amino compound | |
| (S)-betaxolol | (S)-betaxolol : The (S)-enantiomer of betaxolol. | betaxolol | |
| propranolol hydrochloride | Inderex: combination of above cpds; used in treatment of hypertension | hydrochloride | |
| eltoprazine | eltoprazine: RN given refers to parent cpd; suppresses hyperpolarizing responses to serotonin in rat hippocampus | ||
| sotalol hydrochloride | sotalol hydrochloride : A hydrochloride salt that is the monohydrochloride of sotalol. It has both beta-adrenoreceptor blocking (Vaughan Williams Class II) and cardiac action potential duration prolongation (Vaughan Williams Class III) antiarrhythmic properties. It is used (usually as the hydrochloride salt) for the management of ventricular and supraventricular arrhythmias. | hydrochloride | anti-arrhythmia drug; beta-adrenergic antagonist |
| talinolol | ureas | ||
| labetalol hydrochloride | salicylamides | ||
| 1-(4-nitrophenyl)piperazine | 1-(4-nitrophenyl)piperazine: structure in first source | ||
| 1-(4-chlorophenyl)piperazine | 1-(4-chlorophenyl)piperazine: increases serotonin & decreases 5-hydroxyindoleacetic acid concentration in rat brain 6 hours after administration; RN given refers to parent cpd | ||
| sb 204070a | |||
| ici 89406 | ICI 89406: RN given refers to parent cpd | ureas | |
| 4-amino-3-(5-chloro-2-thienyl)butyric acid | 4-amino-3-(5-chloro-2-thienyl)butyric acid: binds GABA receptors; RN & structure given in first source | ||
| alpha-ethyl, alpha-methyl-thiobutyrolactone | tetrahydrothiophenes | ||
| cgp 36742 | (3-aminopropyl)(n-butyl)phosphinic acid: interacts preferably with GABA-B RECEPTORS (IC50=38 μM) and GABA-C receptors (IC50=62 μM) over GABA-A RECEPTORS (IC50=508 μM) | ||
| ersentilide | ersentilide: has class II & III activities; RN given refers to (+-)-isomer; structure given in first source; CK-4000 (S- isomer); CK-4001 (R- isomer) | ||
| alpha-isopropyl-alpha-methyl-gamma-butyrolactone | alpha-isopropyl-alpha-methyl-gamma-butyrolactone: structure given in first source; picrotoxin receptor antagonist | ||
| sc 53116 | SC 53116: serotonin agonist; pyrrolizidine cpd but not alkaloid; structure given in first source | ||
| xamoterol | Xamoterol: A phenoxypropanolamine derivative that is a selective beta-1-adrenergic agonist. | morpholines | |
| n-demethyllysergic acid diethylamide | N-demethyllysergic acid diethylamide: RN given refers to (betaa)-isomer | ||
| nantenine, (+-)-isomer | |||
| sibenadet | sibenadet: structure in first source | ||
| 1-(4-methoxyphenyl)piperazine | 1-(4-methoxyphenyl)piperazine: a designer drug; structure in first source | ||
| L-isoprenaline | L-isoprenaline : An optically active phenylethanolamine compound having an isopropyl substituent attached to the nitrogen atom. | catecholamine; phenylethanolamines | beta-adrenergic agonist; sympathomimetic agent |
| darifenacin | darifenacin : 2-[(3S)-1-Ethylpyrrolidin-3-yl]-2,2-diphenylacetamide in which one of the hydrogens at the 2-position of the ethyl group is substituted by a 2,3-dihydro-1-benzofuran-5-yl group. It is a selective antagonist for the M3 muscarinic acetylcholine receptor, which is primarily responsible for bladder muscle contractions, and is used as the hydrobromide salt in the management of urinary incontinence. | 1-benzofurans; monocarboxylic acid amide; pyrrolidines | antispasmodic drug; muscarinic antagonist |
| diethylstilbestrol | diethylstilbestrol : An olefinic compound that is trans-hex-3-ene in which the hydrogens at positions 3 and 4 have been replaced by p-hydroxyphenyl groups. Diethylstilbestrol: A synthetic nonsteroidal estrogen used in the treatment of menopausal and postmenopausal disorders. It was also used formerly as a growth promoter in animals. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), diethylstilbestrol has been listed as a known carcinogen. (Merck, 11th ed) | olefinic compound; polyphenol | antifungal agent; antineoplastic agent; autophagy inducer; calcium channel blocker; carcinogenic agent; EC 1.1.1.146 (11beta-hydroxysteroid dehydrogenase) inhibitor; EC 3.6.3.10 (H(+)/K(+)-exchanging ATPase) inhibitor; endocrine disruptor; xenoestrogen |
| (S)-(-)-pindolol | pindolol | ||
| 4,4-dicarboxy-5-pyridoxylproline | |||
| tamoxifen | 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 | |
| arformoterol | arformoterol : An N-[2-hydroxy-5-(1-hydroxy-2-{[1-(4-methoxyphenyl)propan-2-yl]amino}ethyl)phenyl]formamide in which both of the stereocentres have R configuration. The active enantiomer of formoterol, it is administered by inhalation (generally as the tartrate salt) as a direct-acting sympathomimetic and bronchodilator for the treatment of chronic obstructive pulmonary disease (any progressive respiratory disease that makes it harder to breathe over time, such as chronic bronchitis and emphysema). | N-[2-hydroxy-5-(1-hydroxy-2-{[1-(4-methoxyphenyl)propan-2-yl]amino}ethyl)phenyl]formamide | anti-asthmatic drug; beta-adrenergic agonist; bronchodilator agent |
| sb-224289 | SB 224289 : A member of the class of benzamides obtained by formal condensation of the carboxy group of 2'-methyl-4'-(5-methyl-1,2,4-oxadiazol-3-yl)biphenyl-4-carboxylic acid with the secondary amino group of 1'-methyl-6,7-dihydro-5H-spiro[furo[2,3-f]indole-3,4'-piperidine]. Selective 5-HT1B receptor antagonist (pKi = 8.2). Displays >60-fold selectivity over 5-HT1D, 5-HT1A, 5-HT1E, 5-HT1F, 5-HT2A and 5-HT2C receptors in radioligand binding and functional assays. Centrally active following oral administration in vivo. | 1,2,4-oxadiazole; azaspiro compound; benzamides; organic heterotetracyclic compound | serotonergic antagonist |
| (r,s)-5,7-di-tert-butyl-3-hydroxy-3-trifluoromethyl-3h-benzofuran-2-one | (R,S)-5,7-di-tert-butyl-3-hydroxy-3-trifluoromethyl-3H-benzofuran-2-one: a positive allosteric modulator of GABAB receptors; structure in first source | ||
| cgp 7930 | 2,6-di-tert-butyl-4-(3-hydroxy-2,2-dimethylpropyl)phenol: structure in first source | alkylbenzene | |
| harmine | harmine : A harmala alkaloid in which the harman skeleton is methoxy-substituted at C-7. Harmine: Alkaloid isolated from seeds of PEGANUM HARMALA; ZYGOPHYLLACEAE. It is identical to banisterine, or telepathine, from Banisteria caapi and is one of the active ingredients of hallucinogenic drinks made in the western Amazon region from related plants. It has no therapeutic use, but (as banisterine) was hailed as a cure for postencephalitic PARKINSON DISEASE in the 1920's. | harmala alkaloid | anti-HIV agent; EC 1.4.3.4 (monoamine oxidase) inhibitor; metabolite |
| obelin | obelin: calcium-sensitive photoprotein obtained from the hydroid Obelia geniculata | ||
| cl 316243 | disodium (R,R)-5-(2-((2-(3-chlorophenyl)-2-hydroxyethyl)-amino)propyl)-1,3-benzodioxole-2,3-dicarboxylate: structure given in first source | ||
| ici 118551 | ICI 118551 : An indane substituted at position 7 by a methyl group and at position 4 by a 3-(isopropylamino)-2-hydroxybutoxy group (the 2R,3S-diastereomer). ICI 118551: RN given refers to (R*,R*)-(+-)-isomer; structure in first source; ICI 111581 is hydrochloride of ICI 118551 | aromatic ether; indanes; secondary alcohol; secondary amino compound | beta-adrenergic antagonist |
| vx680 | N-arylpiperazine | ||
| phentolamine | |||
| cgp 12177a | |||
| dihydrexidine | phenanthridines | ||
| ici 215001 | ICI 215001: active metabolite of ICI D7114; no other info avail 9/92 | monocarboxylic acid | |
| n,n'-dicyclopentyl-2-methylsulfanyl-5-nitro-pyrimidine-4,6-diamine | N,N'-dicyclopentyl-2-methylsulfanyl-5-nitro-pyrimidine-4,6-diamine: structure in first source | aryl sulfide | |
| indacaterol | indacaterol : A monohydroxyquinoline that consists of 5-[(1R)-2-amino-1-hydroxyethyl]-8-hydroxyquinolin-2-one having a 5,6-diethylindan-2-yl group attached to the amino function. Used as the maleate salt for treatment of chronic obstructive pulmonary disease. indacaterol: a beta2 adrenoceptor agonist; indacaterol is the (R)-isomer; structure in first source | indanes; monohydroxyquinoline; quinolone; secondary alcohol; secondary amino compound | beta-adrenergic agonist; bronchodilator agent |
| l 755507 | L 755507: a benzenesulfonamide derivative; structure in first source | ||
| brl 37344 | BRL 37344: SB 206606 is the (R,R)-isomer | monocarboxylic acid | |
| solabegron | solabegron : A carboxybiphenyl that is [biphenyl]-3-carboxylic acid carrying a (2-{[(2R)-2-(3-chlorophenyl)-2-hydroxyethyl]amino}ethyl)nitrilo group at the 3' position. A selective beta3-adrenergic receptor agonist currently in clinical development for the treatment of overactive bladder and irritable bowel syndrome. solabegron: GW-427353 is the (R)-isomer; | carboxybiphenyl; monochlorobenzenes; secondary alcohol; secondary amino compound; substituted aniline | beta-adrenergic agonist |
| 4-n-butyl-1-(4-(2-methylphenyl)-4-oxo-1-butyl)-piperidine hydrogen chloride | |||
| trantinterol | trantinterol: beta(2)-adrenoceptor agonist, structure in first source | ||
| l 748,337 | L 748,337: a huamn beta3-adrenergic receptor antagonist; structure in first source | ||
| 77-lh-28-1 | 77-LH-28-1: a CNS penetrant, selective M1 muscarinic receptor agonist, structure in first source | ||
| sb-649915 | SB-649915: potent 5-HT1A and 5-HT1B autoreceptor antagonist and 5-HT re-uptake inhibitor | ||
| l 764646 | |||
| naluzotan | naluzotan: an antidepressant and anti-anxiety agent; structure in first source | ||
| olodaterol | aromatic ether; benzoxazine; phenols; secondary alcohol; secondary amino compound | beta-adrenergic agonist; bronchodilator agent | |
| sp 203 | 3-fluoro-5-(2-(2-(fluoromethyl)thiazol-4-yl)ethynyl)benzonitrile: a radioligand for mGlu5 receptor; structure in first source | ||
| nitd 609 | NITD 609: an antimalarial and coccidiostat; structure in first source | ||
| bi167107 | BI167107: structure in first source | ||
| n,n-diallyl-5-methoxytryptamine | N,N-diallyl-5-methoxytryptamine: structure in first source | tryptamines |