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Products
Pharmacology
Type
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- Technical support
- Resources
PR 39
Cat. No. AM-110
Structure:
H-Arg-Arg-Arg-Pro-Arg-Pro-Pro-Tyr-Leu-Pro-Arg-Pro-Arg-Pro-Pro-Pro-Phe-Phe-Pro-Pro-Arg-Leu-Pro-Pro-Arg-Ile-Pro-Pro-Gly-Phe-Pro-Pro-Arg-Phe-Pro-Pro-Arg-Phe-Pro-NH2
Activity:
Cathelicidin host defence and immunomodulatory peptide
PR 39 is a 39 amino acid proline-rich cathelicidin host defence and immunomodulatory peptide isolated from porcine polymorphonuclear neutrophils. PR 39 plays a pivotal role in the innate immune defence of the pig against infections. Besides direct antimicrobial activity, PR 39 is involved in wound healing and also stimulates angiogenesis and inhibits inflammatory responses by selectively blocking proteasome degradation of IκBα.
Li et al (2000) PR39, a peptide regulator of angiogenesis. Nat.Med. 6 356 PMID: 10613823
Gaczynska et al (2003) Proline and arginine-rich peptides constitute a novel class of allosteric inhibitors of proteasome activity. Biochemistry 42 8663 PMID: 12873125
Veldhuizen et al (2014) Antimicrobial and immunomodulatory activities of PR-39 derived peptides. PLoS One 9(4) e95939 PMID: 24755622
Related areas
All antimicrobial peptides >
All immunology categories >
All proteasome modulators >
Technical Data
| Structure | H-Arg-Arg-Arg-Pro-Arg-Pro-Pro-Tyr-Leu-Pro-Arg-Pro-Arg-Pro-Pro-Pro-Phe-Phe-Pro-Pro-Arg-Leu-Pro-Pro-Arg-Ile-Pro-Pro-Gly-Phe-Pro-Pro-Arg-Phe-Pro-Pro-Arg-Phe-Pro-NH2 |
| CAS Number | 139637-11-9 |
| Molecular Weight | 4719.7 |
| Formula | C229H346N70O40 |
| Sequence | RRRPRPPYLPRPRPPPFFPPRLPPRIPPGFPPRFPPRFP-NH2 |
| Modifications | C terminal amide |
Solubility and Storage
| Solubility | Soluble in dilute acid |
| Appearance | Freeze dried solid |
| Storage | Store desiccated, frozen and in the dark |
Batch Specific Data
| Purity | >95% by HPLC |
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Recent citations
A new publication from the University of Ljubljana uses MCA-AVLQSGFR-Lys(Dnp)-Lys-NH2, the FRET substrate for the severe acute respiratory syndrome coronavirus main protease (SARS-CoV Mpro), to determine the inhibitory potential of plant polyphenols
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