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| Name | Ouabain | ||||||||||||||||||||||||||||||||||||||||||
| Accession Number | DB01092 (APRD00135) | ||||||||||||||||||||||||||||||||||||||||||
| Type | small molecule | ||||||||||||||||||||||||||||||||||||||||||
| Groups | approved | ||||||||||||||||||||||||||||||||||||||||||
| Description | A cardioactive glycoside consisting of rhamnose and ouabagenin, obtained from the seeds of Strophanthus gratus and other plants of the Apocynaceae; used like digitalis. It is commonly used in cell biological studies as an inhibitor of the NA-K(+)-exchanging ATPase. [PubChem] |
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| Structure |
Download: MOL | SDF | SMILES | InChI Display: 2D Structure | 3D Structure |
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| Salts | Not Available | ||||||||||||||||||||||||||||||||||||||||||
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| Brand mixtures | Not Available | ||||||||||||||||||||||||||||||||||||||||||
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| CAS number | 630-60-4 | ||||||||||||||||||||||||||||||||||||||||||
| Weight |
Average: 584.6525 Monoisotopic: 584.283276872 |
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| Chemical Formula | C29H44O12 | ||||||||||||||||||||||||||||||||||||||||||
| InChI Key | InChIKey=LPMXVESGRSUGHW-HBYQJFLCSA-N | ||||||||||||||||||||||||||||||||||||||||||
| InChI |
InChI=1S/C29H44O12/c1-13-22(34)23(35)24(36)25(40-13)41-15-8-19(32)28(12-30)21-17(3-5-27(28,37)9-15)29(38)6-4-16(14-7-20(33)39-11-14)26(29,2)10-18(21)31/h7,13,15-19,21-25,30-32,34-38H,3-6,8-12H2,1-2H3/t13-,15-,16+,17+,18+,19+,21+,22-,23+,24+,25-,26+,27-,28+,29-/m0/s1
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| IUPAC Name |
4-[(1S,2R,3R,5S,7S,10R,11S,14R,15R,17R)-3,7,11,17-tetrahydroxy-2-(hydroxymethyl)-15-methyl-5-{[(2R,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxy}tetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadecan-14-yl]-2,5-dihydrofuran-2-one
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| SMILES |
[H][C@@]12CC[C@]3(O)C[C@H](C[C@@H](O)[C@]3(CO)[C@@]1([H])[C@H](O)C[C@]1(C)[C@H](CC[C@]21O)C1=CC(=O)OC1)O[C@@H]1O[C@@H](C)[C@H](O)[C@@H](O)[C@H]1O
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| Mass Spec | Not Available | ||||||||||||||||||||||||||||||||||||||||||
| Taxonomy | |||||||||||||||||||||||||||||||||||||||||||
| Kingdom | Organic | ||||||||||||||||||||||||||||||||||||||||||
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| Substructures |
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| Pharmacology | |||||||||||||||||||||||||||||||||||||||||||
| Indication | For the treatment of atrial fibrillation and flutter and heart failure | ||||||||||||||||||||||||||||||||||||||||||
| Pharmacodynamics | Ouabain, a cardiac glycoside similar to digitoxin, is used to treat congestive heart failure and supraventricular arrhythmias due to reentry mechanisms, and to control ventricular rate in the treatment of chronic atrial fibrillation. | ||||||||||||||||||||||||||||||||||||||||||
| Mechanism of action | Ouabain inhibits the Na-K-ATPase membrane pump, resulting in an increase in intracellular sodium and calcium concentrations. Increased intracellular concentrations of calcium may promote activation of contractile proteins (e.g., actin, myosin). Ouabain also acts on the electrical activity of the heart, increasing the slope of phase 4 depolarization, shortening the action potential duration, and decreasing the maximal diastolic potential. | ||||||||||||||||||||||||||||||||||||||||||
| Absorption | Not Available | ||||||||||||||||||||||||||||||||||||||||||
| Volume of distribution | Not Available | ||||||||||||||||||||||||||||||||||||||||||
| Protein binding | 60% | ||||||||||||||||||||||||||||||||||||||||||
| Metabolism | Not Available | ||||||||||||||||||||||||||||||||||||||||||
| Route of elimination | Not Available | ||||||||||||||||||||||||||||||||||||||||||
| Half life | Not Available | ||||||||||||||||||||||||||||||||||||||||||
| Clearance | Not Available | ||||||||||||||||||||||||||||||||||||||||||
| Toxicity | Not Available | ||||||||||||||||||||||||||||||||||||||||||
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| Pathways | Not Available | ||||||||||||||||||||||||||||||||||||||||||
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| Manufacturers | Not Available | ||||||||||||||||||||||||||||||||||||||||||
| Packagers | Not Available | ||||||||||||||||||||||||||||||||||||||||||
| Dosage forms | Not Available | ||||||||||||||||||||||||||||||||||||||||||
| Prices | Not Available | ||||||||||||||||||||||||||||||||||||||||||
| Patents | Not Available | ||||||||||||||||||||||||||||||||||||||||||
| Properties | |||||||||||||||||||||||||||||||||||||||||||
| State | solid | ||||||||||||||||||||||||||||||||||||||||||
| Experimental Properties |
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| Predicted Properties |
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| Synthesis Reference | Not Available | ||||||||||||||||||||||||||||||||||||||||||
| General Reference |
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| ATC Codes |
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| AHFS Codes | Not Available | ||||||||||||||||||||||||||||||||||||||||||
| PDB Entries | Not Available | ||||||||||||||||||||||||||||||||||||||||||
| FDA label | Not Available | ||||||||||||||||||||||||||||||||||||||||||
| MSDS | Not Available | ||||||||||||||||||||||||||||||||||||||||||
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| Drug Interactions | Not Available | ||||||||||||||||||||||||||||||||||||||||||
| Food Interactions | Not Available | ||||||||||||||||||||||||||||||||||||||||||
| Targets |
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1. Sodium/potassium-transporting ATPase alpha-1 chain Pharmacological action: yesActions: inhibitor This is the catalytic component of the active enzyme, which catalyzes the hydrolysis of ATP coupled with the exchange of sodium and potassium ions across the plasma membrane. This action creates the electrochemical gradient of sodium and potassium ions, providing the energy for active transport of various nutrients Organism class: humanUniProt ID: P05023 ![]() Gene: ATP1A1 ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
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| Enzymes |
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Actions: inhibitor
Cytochromes P450 are a group of heme-thiolate monooxygenases. In liver microsomes, this enzyme is involved in an NADPH-dependent electron transport pathway. It oxidizes a variety of structurally unrelated compounds, including steroids, fatty acids, and xenobiotics UniProt ID: P04798![]() Gene: CYP1A1 ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
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| Transporters |
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1. Solute carrier organic anion transporter family member 1A2 Actions: substrate, inhibitorMediates the Na(+)-independent transport of organic anions such as sulfobromophthalein (BSP) and conjugated (taurocholate) and unconjugated (cholate) bile acids (By similarity) UniProt ID: P46721![]() Gene: SLCO1A2 ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
2. Solute carrier family 22 member 8 Actions: inhibitorPlays an important role in the excretion/detoxification of endogenous and exogenous organic anions, especially from the brain and kidney. Involved in the transport basolateral of steviol, fexofenadine. Transports benzylpenicillin (PCG), estrone- 3-sulfate (E1S), cimetidine (CMD), 2,4-dichloro-phenoxyacetate (2,4-D), p-amino-hippurate (PAH), acyclovir (ACV) and ochratoxin (OTA) UniProt ID: Q8TCC7![]() Gene: SLC22A8 ![]() Protein Sequence: FASTA SNPs: SNPJam Report ![]() References:
3. Solute carrier organic anion transporter family member 4C1 Actions: substrateOrganic anion transporter, capable of transporting pharmacological substances such as digoxin, ouabain, thyroxine, methotrexate and cAMP. May participate in the regulation of membrane transport of ouabain. Involved in the uptake of the dipeptidyl peptidase-4 inhibitor sitagliptin and hence may play a role in its transport into and out of renal proximal tubule cells. May be involved in the first step of the transport pathway of digoxin and various compounds into the urine in the kidney. May be involved in sperm maturation by enabling directed movement of organic anions and compounds within or between cells. This ion- transporting process is important to maintain the strict epididymal homeostasis necessary for sperm maturation. May have a role in secretory functions since seminal vesicle epithelial cells are assumed to secrete proteins involved in decapacitation by modifying surface proteins to facilitate the acquisition of the ability to fertilize the egg UniProt ID: Q6ZQN7![]() Gene: SLCO4C1 ![]() Protein Sequence: FASTA SNPs: SNPJam Report ![]() References:
4. Solute carrier organic anion transporter family member 1B3 Actions: substrateMediates the Na(+)-independent transport of organic anions such as 17-beta-glucuronosyl estradiol, taurocholate, triiodothyronine (T3), leukotriene C4, dehydroepiandrosterone sulfate (DHEAS), methotrexate and sulfobromophthalein (BSP) UniProt ID: Q9NPD5![]() Gene: SLCO1B3 ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
5. Solute carrier organic anion transporter family member 1C1 Actions: substrateMediates the Na(+)-independent high affinity transport of organic anions such as the thyroid hormones thyroxine (T4) and rT3. Other potential substrates, such as triiodothyronine (T3), 17-beta-glucuronosyl estradiol, estrone-3-sulfate and sulfobromophthalein (BSP) are transported with much lower efficiency UniProt ID: Q9NYB5![]() Gene: SLCO1C1 ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
6. Solute carrier organic anion transporter family member 1B1 Actions: substrateMediates the Na(+)-independent transport of organic anions such as pravastatin, taurocholate, methotrexate, dehydroepiandrosterone sulfate, 17-beta-glucuronosyl estradiol, estrone sulfate, prostaglandin E2, thromboxane B2, leukotriene C3, leukotriene E4, thyroxine and triiodothyronine. May play an important role in the clearance of bile acids and organic anions from the liver UniProt ID: Q9Y6L6![]() Gene: SLCO1B1 ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
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