HB43
HB43 is a synthetic amphipathic cationic α-helical peptide, as well as an antibacterial/anticancer peptide. HB43 reduces the number of Methicillin (HY-121544)-resistant Staphylococcus aureus in biofilms in a dose-dependent manner. When loaded into chitosan nanoparticles, it achieves sustained release, and this effect is particularly pronounced under acidic conditions.
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- CAS No.: 932013-61-1
- Formule: C72H129N17O14
- Masse moléculaire:1456.90
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Stockage:
Please store the product under the recommended conditions in the Certificate of Analysis.
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Activité biologique
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Chemical Information
- Protocole
- Pureté et documentation
- Références
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Help & FAQs
Activité biologique
Description
In Vitro
HB43 (108-216 μg/mL; 24 h) disrupts the membrane integrity of MRSA USA300 LAC biofilm-embedded bacteria in a dose-dependent manner, with the highest membrane damage observed at 216 μg/mL[2].
HB43 (216 μg/mL; 2-4 h) penetrates MRSA USA300 LAC biofilms within 2 h and shows extensive uniform distribution across the biofilm surface by 4 h[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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CAS No. 932013-61-1
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Masse moléculaire 1456.90
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Formule C72H129N17O14
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SMILES
N[C@@H](CC1=CC=CC=C1)C(N[C@@H](C)C(N[C@@H](CCCCN)C(N[C@@H](CC(C)C)C(N[C@@H](CC(C)C)C(N[C@@H](C)C(N[C@@H](CCCCN)C(N[C@@H](CC(C)C)C(N[C@@H](C)C(N[C@@H](CCCCN)C(N[C@@H](CCCCN)C(N[C@@H](CC(C)C)C(N[C@H](C(O)=O)CC(C)C)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O
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Sequence
Phe-Ala-Lys-Leu-Leu-Ala-Lys-Leu-Ala-Lys-Lys-Leu-Leu
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Sequence Shortening
FAKLLAKLAKKLL
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Livraison
Room temperature in continental US; may vary elsewhere.
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Stockage
Please store the product under the recommended conditions in the Certificate of Analysis.
Pureté et documentation
Références
[1]. Herrera-León C, et al. The impact of phosphatidylserine exposure on cancer cell membranes on the activity of the anticancer peptide HB43. The FEBS journal. 2022 Apr;289(7):1984-2003. [Content Brief]
[2]. Keikhosravani P, et al. Developing antibacterial HB43 peptide-loaded chitosan nanoparticles for biofilm treatment. International journal of biological macromolecules. 2025 May;310(Pt 2):143397. [Content Brief]
Calculators
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
HB43 Related Classifications
HY-P12121 Related Classifications
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