01 /What it is
PR-39 is a 39 amino acid peptide rich in proline and arginine residues. It is a member of the cathelicidin family of antimicrobial peptides and was originally isolated from porcine small intestine.
02 /How it works
In research models, PR-39 is studied for activity against bacteria via intracellular targets rather than purely membrane disruption. Its mechanism is investigated in antimicrobial peptide research and in inflammation pathway research.
03 /What researchers explore it for
Researchers have explored PR-39 in antimicrobial peptide research, in inflammation pathway research, and in comparative research alongside LL-37 and Magainin II.
04 /Safety and interactions
PR-39 is for laboratory research use only and is not for human consumption. Not medical advice. Not intended to diagnose, treat, cure, or prevent any disease.
05 /Research notes
Peptide family: cathelicidin antimicrobial peptides. Frequently compared with LL-37 and Magainin II. The Apothify library lists PR-39 for encyclopedia coverage only.
Related peptides
LL-37 · Magainin II