Side-by-Side Comparison · 2026

Aurein vs Buforin II

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

Aurein
Antimicrobial Peptide

Aurein peptides are a large family of short (13-25 residue) antimicrobial and anticancer peptides isolated from the Australian green and golden bell frog Litoria aurea and related species. 2 is the smallest member with activity against Gram-positive bacteria....

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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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Key Parameters
Parameter Aurein Buforin II
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 Aurein and Buforin II?
Aurein: Aurein peptides are a large family of short (13-25 residue) antimicrobial and anticancer peptides isolated from the Australian green and golden bell frog Litoria aurea and related species. 2 is the sm... 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...
Which has a longer half-life, Aurein or Buforin II?
Aurein half-life: Minutes (proteolytic). Buforin II half-life: Minutes (proteolytic).
Can you stack Aurein and Buforin II?
Aurein and Buforin II 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.