The structures of the frenatin peptides from the skin secretion of the giant tree frog litoria infrenata
Date
1996
Authors
Raferty, M.
Waugh, R.
Bowie, J.
Wallace, J.
Tyler, M.
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Journal article
Citation
Journal of Peptide Science, 1996; 2(2):117-124
Statement of Responsibility
M. J. Raftery, R. J. Waugh, J. H. Bowie, J. C. Wallace and M. J. Tyler
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DOI
Abstract
The granular dorsal glands of the giant tree frog Litoria infrafrenata contain five peptides including caerulein (a known neuropeptide), and four new peptides named frenatins 1 (MH+ = 1140 Da), 2 (1423), 3 (2180) and 4 (2493). The amino acid sequences of the frenatins are detailed: their structures do not correspond to those of peptides isolated from other amphibians or animals. Frenatin 3, Gly-Leu-Met-Ser-Val-Leu-Gly-His-Ala-Val-Gly-Asn-Val-Leu-Gly- Gly-Leu-Phe-Lys-Pro-Lys-Ser-(OH), has wide spectrum antimicrobial properties.
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© 1996 European Peptide Society and John Wiley & Sons, Ltd.