Diprotin A

Diprotin A

20,00  excl. 19% VAT

Diprotin A

4132-v 0.5 mg | 20.00 EUR

Ile-Pro-Ile | Isoleucyl-prolyl-isoleucine

(M.W. 341.45) C17H31N3O4 [90614-48-5]

4132-25 mg | 35.00 EUR
4132-100 mg | 105.00 EUR

Ile-Pro-Ile · H2O | Isoleucyl-prolyl-isoleucine · H2O

(M.W. 341.45 · 18.02) C17H31N3O4 · H2O [90614-48-5]

Synthetic Product

Diprotin A is a selective and reversible inhibitor for Dipeptidyl Aminopeptidase IV

The tripeptide Diprotin A with the sequence Ile-Pro-Ile is used as selective and reversible inhibitor for CD26/dipeptidyl peptidase IV. (DPP-IV) is an ectoenzyme protease that cleaves SDF-1.
Diprotin A offered from PeptaNova is of synthetic origin, the purity is greater than 99% per HPLC. Tripeptide is soluble in water, ethanol and methanol.


  1. H. Umezawa, T. Aoyagi, K. Ogawa, H. Naganawa, M. Hamada and T. Takeuchi, J. Antibiotics., 37, 422 (1984) (Original; IC50 & Chem. Structure)

Diprotin A is distributed through Peptide Institute, Inc. under the technical and scientific advices of Microbial Chemistry research Foundation.