Biological Activity
Antibacterial peptide. Stimulates angiogenesis and inhibits inflammatory responses by selectively blocking proteasome degradation of IκBα.
Technical Data
| M. Wt | 4719.7 |
| Formula | C229H346N70O40 |
| Sequence |
RRRPRPPYLPRPRPPPFFPPRLPPRIPPGFPPRFPPRFP (Modifications: Pro-39 = C-terminal amide) |
| Storage | Desiccate at -20°C |
| CAS Number | 139637-11-9 |
| PubChem ID | 52949575 |
| InChI Key | SVJCYLXJXIRSHM-IWDHFESKSA-N |
| Smiles | [H]N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N1CCC[C@H]1C(=O)N[C@@H](CCCNC(N)=N)C(=O)N1CCC[C@H]1C(=O)N1CCC[C@H]1C(=O)N[C@@H](CC1=CC=C(O)C=C1)C(=O)N[C@@H](CC(C)C)C(=O)N1CCC[C@H]1C(=O)N[C@@H](CCCNC(N)=N)C(=O)N1CCC[C@H]1C(=O)N[C@@H](CCCNC(N)=N)C(=O)N1CCC[C@H]1C(=O)N1CCC[C@H]1C(=O)N1CCC[C@H]1C(=O)N[C@@H](CC1=CC=CC=C1)C(=O)N[C@@H](CC1=CC=CC=C1)C(=O)N1CCC[C@H]1C(=O)N1CCC[C@H]1C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC(C)C)C(=O)N1CCC[C@H]1C(=O)N1CCC[C@H]1C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N1CCC[C@H]1C(=O)N1CCC[C@H]1C(=O)NCC(=O)N[C@@H](CC1=CC=CC=C1)C(=O)N1CCC[C@H]1C(=O)N1CCC[C@H]1C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC1=CC=CC=C1)C(=O)N1CCC[C@H]1C(=O)N1CCC[C@H]1C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC1=CC=CC=C1)C(=O)N1CCC[C@H]1C(N)=O |
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
All Tocris products are intended for laboratory research use only.
Solubility Data
| Solubility | Soluble to 1 mg/ml in water |
Preparing Stock Solutions
The following data is based on the product molecular weight 4719.7. Batch specific molecular weights may vary from batch to batch due to solvent of hydration, which will affect the solvent volumes required to prepare stock solutions.
| Concentration / Solvent Volume / Mass | 1 mg | 5 mg | 10 mg |
|---|---|---|---|
| 1 mM | 0.21 mL | 1.06 mL | 2.12 mL |
| 5 mM | 0.04 mL | 0.21 mL | 0.42 mL |
| 10 mM | 0.02 mL | 0.11 mL | 0.21 mL |
| 50 mM | 0 mL | 0.02 mL | 0.04 mL |
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Product Datasheets
References
References are publications that support the products' biological activity.
Gaczynska et al (2003) Proline and arginine-rich peptides constitute a novel class of allosteric inhibitors of proteasome activity. Biochemistry 42 8663 PMID: 12873125
Gao et al (2000) Inhibition of ubiquitin-proteasome pathway-mediated IκBα degradation by a naturally occuring antibacterial peptide. J.Clin.Invest. 106 439 PMID: 10930447
Li et al (2000) PR39, a peptide regulator of angiogenesis. Nat.Med. 6 356 PMID: 10613823
Keywords: PR 39, supplier, IκB, IκBα, IkappaBalpha, blocks, degradation, inhibitors, inhibits, NF-κB, NF-kappaB, Nf-kB, Transcription, Factors, Nuclear, Factor, Kappa, B, PR39, NF-kB/IkB, NF-kB/IkB, Tocris Bioscience
