Nummularine B
Nummularine B (Daechuine S27; N-Demethylamphibine H) is an anti-parasite agent. Nummularine B inhibits calmodulin-dependent phosphodiesterase activity with an IC50 of 16.8 μM. Nummularine B inhibits the growth of Plasmodium and Leishmania donovani in vitro. Nummularine B inhibits the calmodulin-dependent activity of actomyosin Ca2+-ATPase. Nummularine B is applicable to research related to malaria and visceral leishmaniasis.
For research use only. We do not sell to patients.
- CAS No.: 53947-96-9
- Formula: C32H41N5O6
- Molecular Weight:591.71
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Storage:
Please store the product under the recommended conditions in the Certificate of Analysis.
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Biological Activity
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Chemical Information
- Purity & Documentation
- References
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Help & FAQs
All Parasite Isoforms
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Biological Activity
Nummularine B inhibits the growth of the K1 strain of Plasmodium falciparum, with an IC50 of 3.6 μM[1].
Nummularine B (20 min) inhibits calmodulin-dependent Ca2+-ATPase activity in actomyosin from rat posterior thigh muscle, with an IC50 of 27.0 μM[2].
Nummularine B (10 min) inhibits the activity of calmodulin-dependent phosphodiesterase from bovine brain-derived enzymes, with an IC50 value of 16.8 μM[2].
Nummularine B (Compound 11) (72 h (T. b. rhodesiense, L. donovani, P. falciparum); 96 h (T. cruzi)) potently inhibits Plasmodium falciparum with an IC50 of 14.7 μM; it also inhibits Leishmania donovani with an IC50 of 44.8 μM[3].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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CAS No. 53947-96-9
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Molecular Weight 591.71
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Formula C32H41N5O6
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SMILES
C([C@@H](NC([C@@H](NC)C)=O)C(C)C)(=O)N1[C@]2([C@@](OC=3C=C(C(OC)=CC3)/C=C\NC(=O)[C@H](CC4=CC=CC=C4)NC2=O)(CC1)[H])[H]
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Synonyms
Daechuine S27; N-Demethylamphibine H
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Sequence
{Me-Ala}-Val-Cyclo({N-[(1Z)-2-(5-hydroxy-2-methoxyphenyl)ethenyl]-Pro}-Phe) (lactam bridge: Pro3-Phe4)
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Sequence Shortening
{Me-Ala}-V-Cyclo({N-[(1Z)-2-(5-hydroxy-2-methoxyphenyl)ethenyl]-Pro}-F) (lactam bridge: Pro3-Phe4)
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Structure Classification
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
Please store the product under the recommended conditions in the Certificate of Analysis.
Purity & Documentation
References
[1]. Tuenter E, et al. Antiplasmodial Activity, Cytotoxicity and Structure-Activity Relationship Study of Cyclopeptide Alkaloids. Molecules. 2017;22(2):224. Published 2017 Feb 2. [Content Brief]
[2]. Hwang KH, et al. Inhibition of calmodulin-dependent calcium-ATPase and phosphodiesterase by various cyclopeptides and peptide alkaloids from the Zizyphus species. Arch Pharm Res. 2001;24(3):202-206. [Content Brief]
[3]. Sevik Kilicaslan O, et al. Antiprotozoal activity of natural products from Nigerien plants used in folk medicine. Front Pharmacol. 2023;14:1190241. Published 2023 Jun 23. [Content Brief]
Calculators
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
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