Classification Term: 170587

Tryptophan alkaloids (ontology term: 36effb4e5161a1d146cc35ea70e1090d)

found 19 associated metabolites at sub_class metabolite taxonomy ontology rank level.

Child Taxonomies: There is no child term of current ontology term.

Quinine

(R)-[(1S,2S,4S,5R)-5-ethenyl-1-azabicyclo[2.2.2]octan-2-yl](6-methoxyquinolin-4-yl)methanol

Quinine is a cinchona alkaloid that is cinchonidine in which the hydrogen at the 6-position of the quinoline ring is substituted by methoxy. It has a role as an antimalarial, a muscle relaxant and a non-narcotic analgesic. It is a conjugate base of a quinine(1+). It derives from a hydride of an (8S)-cinchonan. An alkaloid derived from the bark of the cinchona tree. It is used as an antimalarial drug, and is the active ingredient in extracts of the cinchona that have been used for that purpose since before 1633. Quinine is also a mild antipyretic and analgesic and has been used in common cold preparations for that purpose. It was used commonly and as a bitter and flavoring agent, and is still useful for the treatment of babesiosis. Quinine is also useful in some muscular disorders, especially nocturnal leg cramps and myotonia congenita, because of its direct effects on muscle membrane and sodium channels. The mechanisms of its antimalarial effects are not well understood. Quinine is an Antimalarial. Quinine is a natural cinchona alkaloid that has been used for centuries in the prevention and therapy of malaria. Quinine is also used for idiopathic muscle cramps. Quinine therapy has been associated with rare instances of hypersensitivity reactions which can be accompanied by hepatitis and mild jaundice. Quinine is a natural product found in Cinchona calisaya, Cinchona officinalis, and other organisms with data available. Quinine is a quinidine alkaloid isolated from the bark of the cinchona tree. Quinine has many mechanisms of action, including reduction of oxygen intake and carbohydrate metabolism; disruption of DNA replication and transcription via DNA intercalation; and reduction of the excitability of muscle fibers via alteration of calcium distribution. This agent also inhibits the drug efflux pump P-glycoprotein which is overexpressed in multi-drug resistant tumors and may improve the efficacy of some antineoplastic agents. (NCI04) Quinine is an alkaloid derived from the bark of the cinchona tree. It is used as an antimalarial drug, and is the active ingredient in extracts of the cinchona that have been used for that purpose since before 1633. Quinine is also a mild antipyretic and analgesic and has been used in common cold preparations for that purpose. It was used commonly and as a bitter and flavoring agent, and is still useful for the treatment of babesiosis. Quinine is also useful in some muscular disorders, especially nocturnal leg cramps and myotonia congenita, because of its direct effects on muscle membrane and sodium channels. The mechanisms of its antimalarial effects are not well understood. An alkaloid derived from the bark of the cinchona tree. It is used as an antimalarial drug, and is the active ingredient in extracts of the cinchona that have been used for that purpose since before 1633. Quinine is also a mild antipyretic and analgesic and has been used in common cold preparations for that purpose. It was used commonly and as a bitter and flavoring agent, and is still useful for the treatment of babesiosis. Quinine is also useful in some muscular disorders, especially nocturnal leg cramps and myotonia congenita, because of its direct effects on muscle membrane and sodium channels. The mechanisms of its antimalarial effects are not well understood. See also: Quinine Sulfate (active moiety of); Quinine salicylate (active moiety of); Quinine arsenite (active moiety of) ... View More ... Quinine is an alkaloid derived from the bark of the cinchona tree. It is used as an antimalarial drug, and is the active ingredient in extracts of the cinchona that have been used for that purpose since before 1633. Quinine is also a mild antipyretic and analgesic and has been used in common cold preparations for that purpose. It was used commonly and as a bitter and flavoring agent, and is still useful for the treatment of babesiosis. Quinine is also useful in some muscular disorders, especially nocturnal leg cramps and myotonia congenita, because of its direct effects on muscle membrane and sodium channels. The mechanisms of its antimalarial effects are not well understood. [PubChem]. P - Antiparasitic products, insecticides and repellents > P01 - Antiprotozoals > P01B - Antimalarials > P01BC - Methanolquinolines A cinchona alkaloid that is cinchonidine in which the hydrogen at the 6-position of the quinoline ring is substituted by methoxy. D000890 - Anti-Infective Agents > D000977 - Antiparasitic Agents > D000981 - Antiprotozoal Agents C254 - Anti-Infective Agent > C276 - Antiparasitic Agent > C277 - Antiprotozoal Agent D018373 - Peripheral Nervous System Agents > D018689 - Sensory System Agents D018373 - Peripheral Nervous System Agents > D009465 - Neuromuscular Agents D002491 - Central Nervous System Agents > D000700 - Analgesics It is used in tonics and bitter drinks [Raw Data] CB141_Quinine_pos_10eV_CB000051.txt [Raw Data] CB141_Quinine_pos_20eV_CB000051.txt [Raw Data] CB141_Quinine_pos_40eV_CB000051.txt [Raw Data] CB141_Quinine_pos_50eV_CB000051.txt [Raw Data] CB141_Quinine_pos_30eV_CB000051.txt Quinine is an alkaloid derived from the bark of the cinchona tree, acts as an anti-malaria agent. Quinine is a potassium channel inhibitor that inhibits WT mouse Slo3 (KCa5.1) channel currents evoked by voltage pulses to +100?mV with an IC50 of 169 μM[1][2]. Quinine is an alkaloid derived from the bark of the cinchona tree, acts as an anti-malaria agent. Quinine is a potassium channel inhibitor that inhibits WT mouse Slo3 (KCa5.1) channel currents evoked by voltage pulses to +100?mV with an IC50 of 169 μM[1][2].

Quinidine

(S)-[(2R,4S,5R)-5-ethenyl-1-azabicyclo[2.2.2]octan-2-yl]-(6-methoxyquinolin-4-yl)methanol

C20H24N2O2 (324.18376839999996)

Crystals or white powder. (NTP, 1992) Quinidine is a cinchona alkaloid consisting of cinchonine with the hydrogen at the 6-position of the quinoline ring substituted by methoxy. It has a role as an alpha-adrenergic antagonist, an antimalarial, an anti-arrhythmia drug, a sodium channel blocker, a muscarinic antagonist, a potassium channel blocker, a P450 inhibitor, an EC 1.14.13.181 (13-deoxydaunorubicin hydroxylase) inhibitor, an EC 3.6.3.44 (xenobiotic-transporting ATPase) inhibitor and a drug allergen. It derives from a hydride of a cinchonan. Quinidine is a D-isomer of [quinine] present in the bark of the Cinchona tree and similar plant species. This alkaloid was first described in 1848 and has a long history as an antiarrhythmic medication. Quinidine is considered the first antiarrhythmic drug (class Ia) and is moderately efficacious in the acute conversion of atrial fibrillation to normal sinus rhythm. It prolongs cellular action potential by blocking sodium and potassium currents. A phenomenon known as “quinidine syncope” was first described in the 1950s, characterized by syncopal attacks and ventricular fibrillation in patients treated with this drug. Due to its side effects and increased risk of mortality, the use of quinidine was reduced over the next few decades. However, it continues to be used in the treatment of Brugada syndrome, short QT syndrome and idiopathic ventricular fibrillation. Quinidine is an Antiarrhythmic and Cytochrome P450 2D6 Inhibitor. The mechanism of action of quinidine is as a Cytochrome P450 2D6 Inhibitor. Quinidine is a natural cinchona alkaloid which has potent antiarrhythmic activity and has been used for decades in the treatment of atrial and ventricular arrhythmias. Quinidine has been associated with fever, mild jaundice and clinically apparent liver injury in up to 2\\\\% of treated patients. Quinidex is a natural product found in Cinchona calisaya, Aspidosperma excelsum, and other organisms with data available. Quinidine is an alkaloid extracted from the bark of the Cinchona tree with class 1A antiarrhythmic and antimalarial effects. Quinidine stabilizes the neuronal membrane by binding to and inhibiting voltage-gated sodium channels, thereby inhibiting the sodium influx required for the initiation and conduction of impulses resulting in an increase of the threshold for excitation and decreased depolarization during phase 0 of the action potential. In addition, the effective refractory period (ERP), action potential duration (APD), and ERP/APD ratios are increased, resulting in decreased conduction velocity of nerve impulses. Quinidine exerts its antimalarial activity by acting primarily as an intra-erythrocytic schizonticide through association with the heme polymer (hemazoin) in the acidic food vacuole of the parasite thereby preventing further polymerization by heme polymerase enzyme. This results in accumulation of toxic heme and death of the parasite. 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. See also: Quinidine Gluconate (active moiety of); Quinidine Sulfate (active moiety of); Quinidine polygalacturonate (is active moiety of). An optical isomer of quinine, extracted from the bark of the Cinchona 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 potential, and decreases automaticity. Quinidine also blocks muscarinic and alpha-adrenergic neurotransmission. [PubChem] C - Cardiovascular system > C01 - Cardiac therapy > C01B - Antiarrhythmics, class i and iii > C01BA - Antiarrhythmics, class ia A cinchona alkaloid consisting of cinchonine with the hydrogen at the 6-position of the quinoline ring substituted by methoxy. D004791 - Enzyme Inhibitors > D065607 - Cytochrome P-450 Enzyme Inhibitors > D065690 - Cytochrome P-450 CYP2D6 Inhibitors D002317 - Cardiovascular Agents > D026941 - Sodium Channel Blockers > D061567 - Voltage-Gated Sodium Channel Blockers D018377 - Neurotransmitter Agents > D018678 - Cholinergic Agents > D018680 - Cholinergic Antagonists D018377 - Neurotransmitter Agents > D018663 - Adrenergic Agents > D018674 - Adrenergic Antagonists D000890 - Anti-Infective Agents > D000977 - Antiparasitic Agents > D000981 - Antiprotozoal Agents C254 - Anti-Infective Agent > C276 - Antiparasitic Agent > C277 - Antiprotozoal Agent COVID info from clinicaltrial, clinicaltrials, clinical trial, clinical trials D002317 - Cardiovascular Agents > D000889 - Anti-Arrhythmia Agents D049990 - Membrane Transport Modulators C93038 - Cation Channel Blocker Corona-virus Coronavirus SARS-CoV-2 COVID-19 SARS-CoV COVID19 SARS2 SARS [Raw Data] CBA33_Quinidine_pos_50eV_1-1_01_1622.txt [Raw Data] CBA33_Quinidine_pos_30eV_1-1_01_1620.txt [Raw Data] CBA33_Quinidine_pos_40eV_1-1_01_1621.txt [Raw Data] CBA33_Quinidine_pos_20eV_1-1_01_1619.txt [Raw Data] CBA33_Quinidine_pos_10eV_1-1_01_1616.txt Quinidine (15\\% dihydroquinidine) is an antiarrhythmic agent. Quinidine is a potent, orally active, selective cytochrome P450db inhibitor. Quinidine is also a K+ channel blocker with an IC50 of 19.9 μM, and can induce apoptosis. Quinidine can be used for malaria research[1][2][3][4]. Quinidine (15\% dihydroquinidine) is an antiarrhythmic agent. Quinidine is a potent, orally active, selective cytochrome P450db inhibitor. Quinidine is also a K+ channel blocker with an IC50 of 19.9 μM, and can induce apoptosis. Quinidine can be used for malaria research[1][2][3][4].

Epiquinine

C20H24N2O2 (324.18376839999996)

Tensidol A

C13H11NO3 (229.0738896)

A furopyrrole that is 6-benzyl-6H-furo[2,3-b]pyrrole which is substituted by hydroxy groups at positions 3 and 4, and in which the hydrogen attached to the nitrogen is replaced by a benzyl group.

Quinine

C20H24N2O2 (324.18376839999996)

CONFIDENCE standard compound; INTERNAL_ID 270; DATASET 20200303_ENTACT_RP_MIX505; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 5966; ORIGINAL_PRECURSOR_SCAN_NO 5964 P - Antiparasitic products, insecticides and repellents > P01 - Antiprotozoals > P01B - Antimalarials > P01BC - Methanolquinolines D000890 - Anti-Infective Agents > D000977 - Antiparasitic Agents > D000981 - Antiprotozoal Agents C254 - Anti-Infective Agent > C276 - Antiparasitic Agent > C277 - Antiprotozoal Agent D018373 - Peripheral Nervous System Agents > D018689 - Sensory System Agents D018373 - Peripheral Nervous System Agents > D009465 - Neuromuscular Agents D002491 - Central Nervous System Agents > D000700 - Analgesics CONFIDENCE standard compound; INTERNAL_ID 270; DATASET 20200303_ENTACT_RP_MIX505; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 5977; ORIGINAL_PRECURSOR_SCAN_NO 5975 CONFIDENCE standard compound; INTERNAL_ID 270; DATASET 20200303_ENTACT_RP_MIX505; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 5998; ORIGINAL_PRECURSOR_SCAN_NO 5996 CONFIDENCE standard compound; INTERNAL_ID 270; DATASET 20200303_ENTACT_RP_MIX505; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 5996; ORIGINAL_PRECURSOR_SCAN_NO 5994 CONFIDENCE standard compound; INTERNAL_ID 270; DATASET 20200303_ENTACT_RP_MIX505; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 6003; ORIGINAL_PRECURSOR_SCAN_NO 6001 CONFIDENCE standard compound; INTERNAL_ID 270; DATASET 20200303_ENTACT_RP_MIX505; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 6016; ORIGINAL_PRECURSOR_SCAN_NO 6013 Origin: Plant; SubCategory_DNP: Monoterpenoid indole alkaloids, Cinchona alkaloids, Indole alkaloids relative retention time with respect to 9-anthracene Carboxylic Acid is 0.728 relative retention time with respect to 9-anthracene Carboxylic Acid is 0.722 relative retention time with respect to 9-anthracene Carboxylic Acid is 0.721 Quinine is an alkaloid derived from the bark of the cinchona tree, acts as an anti-malaria agent. Quinine is a potassium channel inhibitor that inhibits WT mouse Slo3 (KCa5.1) channel currents evoked by voltage pulses to +100?mV with an IC50 of 169 μM[1][2]. Quinine is an alkaloid derived from the bark of the cinchona tree, acts as an anti-malaria agent. Quinine is a potassium channel inhibitor that inhibits WT mouse Slo3 (KCa5.1) channel currents evoked by voltage pulses to +100?mV with an IC50 of 169 μM[1][2].

Quinidine

C20H24N2O2 (324.18376839999996)

Annotation level-1 Quinidine (15\\% dihydroquinidine) is an antiarrhythmic agent. Quinidine is a potent, orally active, selective cytochrome P450db inhibitor. Quinidine is also a K+ channel blocker with an IC50 of 19.9 μM, and can induce apoptosis. Quinidine can be used for malaria research[1][2][3][4]. Quinidine (15\% dihydroquinidine) is an antiarrhythmic agent. Quinidine is a potent, orally active, selective cytochrome P450db inhibitor. Quinidine is also a K+ channel blocker with an IC50 of 19.9 μM, and can induce apoptosis. Quinidine can be used for malaria research[1][2][3][4].