Thr-Lys-Pro-Arg-Pro-Gly-Pro · Tuftsin analog
| Classification | Synthetic heptapeptide; tuftsin analog |
|---|---|
| Amino acid sequence | Thr-Lys-Pro-Arg-Pro-Gly-Pro |
| Short notation | TKPRPGP |
| Molecular formula | C33H57N11O9 |
| Molecular weight | 751.88 g/mol |
| CAS number | 129954-34-3 |
| Solubility | Soluble in water. |
| Reported half-life | The Pro-Gly-Pro extension slows degradation relative to native tuftsin. |
International orders have a 3-vial minimum per product. Case pricing shown is international; US warehouse case pricing may differ and is shown at checkout.
Developed at the same Russian institute as Semax, using the same design strategy: an endogenous peptide fragment — here the immunomodulatory tetrapeptide tuftsin — extended with Pro-Gly-Pro for stability.
The following describes contexts in which this compound appears in published laboratory literature. Nothing here is a claim of efficacy, safety, or suitability for any use in humans or animals.
| Lyophilized powder | Store lyophilized powder at -20 °C, sealed and protected from light. Stable for extended periods while dry. |
|---|---|
| After reconstitution | After reconstitution with bacteriostatic water, store at 2–8 °C and use within approximately 4 weeks. Avoid repeated freeze-thaw cycles. |
| Shipping | Ships at ambient temperature; lyophilized peptide is stable in transit. |
Open reconstitution calculator →
| Vial | 1 vial (US) | 3 vials (Intl) | Case of 5 | Case of 10 | Stock |
|---|---|---|---|---|---|
| 5mg | — | $105 | $120 | $230 | International |
| 10mg | $57 | $171 | $200 | $380 | 8 in Denver |
$20 flat USA shipping · solutioning available at $10/vial · Denver stock ships within 1 business day of order confirmation.