Side-by-Side Comparison · 2026

Buforin II vs Caerin

Buforin II vs Caerin — 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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Caerin
Antimicrobial Peptide

Caerins are a family of antimicrobial peptides from the Australian Blue Mountains tree frog Litoria caerulea and related species. They adopt a unique helix-kink-helix conformation with a proline-induced kink in the center of the molecule....

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Key Parameters
Parameter Buforin II Caerin
Category Antimicrobial Peptide Antimicrobial Peptide
Research Preclinical Preclinical
Half-Life Minutes (proteolytic) Minutes (proteolytic)
Typical Dose N/A N/A
Frequency N/A N/A
Route Research only Research only
FDA Status Not approved Not approved

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Frequently Asked Questions
What is the difference between Buforin II and Caerin?
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... Caerin: Caerins are a family of antimicrobial peptides from the Australian Blue Mountains tree frog Litoria caerulea and related species. They adopt a unique helix-kink-helix conformation with a proline-induc...
Which has a longer half-life, Buforin II or Caerin?
Buforin II half-life: Minutes (proteolytic). Caerin half-life: Minutes (proteolytic).
Can you stack Buforin II and Caerin?
Buforin II and Caerin 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.