Side-by-Side Comparison · 2026

Buforin II vs Magainin

Buforin II vs Magainin — mechanism, half-life, dosing, and research status compared. Which is right for your protocol?

Buforin II
Antimicrobial Peptide

Buforin II is a 21-residue antimicrobial peptide derived from histone H2A in the stomach of the Asian toad Bufo gargarizans. Unlike most AMPs that kill bacteria by membrane disruption, Buforin II translocates across bacterial membranes without causing lysis and kills by binding n...

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Magainin
Antimicrobial Peptide

Magainins are cationic, alpha-helical antimicrobial peptides (AMPs) isolated from the skin of the African clawed frog Xenopus laevis by Michael Zasloff in 1987. They are among the founding members of the frog skin AMP family and established the concept of innate immune peptide de...

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Key Parameters
Parameter Buforin II Magainin
Category Antimicrobial Peptide Antimicrobial Peptide
Research Preclinical Clinical (topical)
Half-Life Minutes (proteolytic) Minutes (plasma); hours (topical)
Typical Dose N/A Pexiganan cream 0.8%
Frequency N/A Twice daily (topical)
Route Research only Topical (clinical), IV (research)
FDA Status Not approved Under review (pexiganan)

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Frequently Asked Questions
What is the difference between Buforin II and Magainin?
Buforin II: Buforin II is a 21-residue antimicrobial peptide derived from histone H2A in the stomach of the Asian toad Bufo gargarizans. Unlike most AMPs that kill bacteria by membrane disruption, Buforin II tran... Magainin: Magainins are cationic, alpha-helical antimicrobial peptides (AMPs) isolated from the skin of the African clawed frog Xenopus laevis by Michael Zasloff in 1987. They are among the founding members of ...
Which has a longer half-life, Buforin II or Magainin?
Buforin II half-life: Minutes (proteolytic). Magainin half-life: Minutes (plasma); hours (topical).
Can you stack Buforin II and Magainin?
Buforin II and Magainin are in the same category and used together in research protocols. Always consult relevant literature and follow appropriate guidelines.

For research use only. Not medical advice. ASCEND does not conduct or endorse any specific research protocol. Always consult relevant scientific literature and regulatory guidelines.