Side-by-Side Comparison · 2026

Aurein vs Brevinin

Aurein vs Brevinin — 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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Brevinin
Antimicrobial Peptide

Brevinin peptides are a family of antimicrobial peptides isolated from the skin secretions of Rana esculenta (European edible frog) and related Rana species. They are characterized by a C-terminal disulfide-bridged cyclic heptapeptide (Rana box) that confers structural stability ...

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Key Parameters
Parameter Aurein Brevinin
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 Brevinin?
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... Brevinin: Brevinin peptides are a family of antimicrobial peptides isolated from the skin secretions of Rana esculenta (European edible frog) and related Rana species. They are characterized by a C-terminal dis...
Which has a longer half-life, Aurein or Brevinin?
Aurein half-life: Minutes (proteolytic). Brevinin half-life: Minutes (proteolytic).
Can you stack Aurein and Brevinin?
Aurein and Brevinin 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.