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TAT (48-57) is a classical arginine-rich cell-penetrating peptide (CPP) derived from the HIV-1 TAT protein sequence. It possesses potent receptor-independent membrane permeability, efficiently mediating the cytoplasmic delivery of various macromolecular payloads like proteins and nanodrugs.

| Pack Size | Price | USA Stock | Global Stock | Quantity |
|---|---|---|---|---|
| 1 mg | $63 | - | In Stock | |
| 5 mg | $148 | 7-10 days | 7-10 days | |
| 10 mg | $229 | 7-10 days | 7-10 days |
| Description | TAT (48-57) is a classical arginine-rich cell-penetrating peptide (CPP) derived from the HIV-1 TAT protein sequence. It possesses potent receptor-independent membrane permeability, efficiently mediating the cytoplasmic delivery of various macromolecular payloads like proteins and nanodrugs. |
| In vitro | TAT (48-57) is a cell-permeable peptide with high translocation efficiency and low cytotoxicity, serving as a carrier for macromolecules[1]. |
| Synonyms | TAT 48-57 |
| Molecular Weight | 1396.65 |
| Formula | C55H109N31O12 |
| Cas No. | 253141-50-3 |
| Smiles | [C@@H](NC([C@@H](NC([C@@H](NC([C@@H](NC([C@H](CCCNC(=N)N)NC(CN)=O)=O)CCCCN)=O)CCCCN)=O)CCCNC(=N)N)=O)(C(N[C@H](C(N[C@H](C(N[C@H](C(N[C@@H](CCCNC(=N)N)C(O)=O)=O)CCCNC(=N)N)=O)CCCNC(=N)N)=O)CCC(N)=O)=O)CCCNC(=N)N |
| Relative Density. | 1.55 g/cm3 (Predicted) |
| Sequence | Gly-Arg-Lys-Lys-Arg-Arg-Gln-Arg-Arg-Arg |
| Sequence Short | GRKKRRQRRR |
| Storage | Keep away from moisture | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. | |||||||||||||||||||||||||
| Solubility Information | DMSO: 40 mg/mL (28.64 mM), Sonication is recommmended. H2O: Soluble | |||||||||||||||||||||||||
Solution Preparation Table | ||||||||||||||||||||||||||
DMSO
Note : The dilution table applies only to solid products. For liquid products, please calculate the stock solution based on the stated concentration and/or density. | ||||||||||||||||||||||||||
Dissolve 2 mg of the compound in 100 μL DMSO
to obtain a stock solution at a concentration of 20 mg/mL . If the required concentration exceeds the compound's known solubility, please contact us for technical support before proceeding.
1) Add 100 μL of the DMSO
stock solution to 400 μL PEG300
and mix thoroughly until the solution becomes clear.
2) Add 50 μL Tween 80 and mix well until fully clarified.
3) Add 450 μL Saline,PBS or ddH2O
and mix thoroughly until a homogeneous solution is obtained.
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