1. GPCR/G Protein
  2. Formyl Peptide Receptor (FPR)
  3. Ac9-25 TFA

Ac9-25 TFA, a N-terminal peptide of Annexin I, acts as a formyl peptide receptor (FPR) agonist and activates the neutrophil NADPH oxidase through FPR.

For research use only. We do not sell to patients.

Ac9-25 TFA Chemical Structure

Ac9-25 TFA Chemical Structure

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Ac9-25 TFA, a N-terminal peptide of Annexin I, acts as a formyl peptide receptor (FPR) agonist and activates the neutrophil NADPH oxidase through FPR[1][2].

Molecular Weight

2183.33 (free acid)





Sequence Shortening





Room temperature in continental US; may vary elsewhere.


Please store the product under the recommended conditions in the Certificate of Analysis.

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  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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