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Synonyms: Z-Leu-Leu-Glu-AMC


| Pack Size | Price | USA Stock | Global Stock | Quantity |
|---|---|---|---|---|
| 1 mg | $40 | - | In Stock | |
| 5 mg | $106 | - | In Stock | |
| 10 mg | $189 | - | In Stock | |
| 25 mg | $378 | - | In Stock | |
| 50 mg | $595 | - | In Stock | |
| 100 mg | $862 | - | In Stock | |
| 1 mL x 10 mM (in DMSO) | $156 | - | In Stock |
| Description | Z-LLE-AMC (Z-Leu-Leu-Glu-AMC) is a fluorogenic substrate used to detect caspase-like post-glutamate peptide hydrolase activity in the 26S proteasome or 20S proteolytic core. Caspase-like activity can be quantified by fluorescent detection of free AMC (7-amino-4-methylcoumarin), which has an excitation wavelength of 340–360 nm and an emission wavelength of 440–460 nm. Z-LLE-AMC is typically used in cell lysates after experimental treatment. Additionally, Z-LLE-AMC can also be used in Parkinson's disease research. |
| In vitro | Method: In vitro, purified recombinant 20S proteasome was incubated with Z-LLE-AMC (75 μM) as a substrate to measure the post-acidic (postacidic)-like hydrolytic activity of the proteasome. Result: Under control conditions, the post-acidic-like activity of the purified 20S proteasome was 5.0±0.96 FU/min per mg. In the presence of 4 mM L-DOPA, the activity was 4.8±0.4 FU/min per mg, showing no significant difference from the control. In the presence of 10 μM lactacystin, the activity decreased to 0.75±0.075 FU/min per mg, representing an inhibition of approximately 85% (P<0.01) [1]. |
| Synonyms | Z-Leu-Leu-Glu-AMC |
| Molecular Weight | 664.76 |
| Formula | C35H44N4O9 |
| Cas No. | 348086-66-8 |
| Smiles | CC=1C=2C(=CC(NC([C@@H](NC([C@@H](NC([C@@H](NC(OCC3=CC=CC=C3)=O)CC(C)C)=O)CC(C)C)=O)CCC(O)=O)=O)=CC2)OC(=O)C1 |
| Sequence | Cbz-Leu-Leu-Glu-AMC |
| Sequence Short | LLE |
| 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: 80 mg/mL (120.34 mM), Sonication is recommended. | |||||||||||||||||||||||||||||||||||
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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