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NanoBRET 590 PEG4 SE is an amine-reactive energy acceptor dye specifically designed for NanoBRET assays, emitting orange-red to red fluorescence. It has an emission maximum at approximately 590 nm (detection range: 590–610 nm) and shows good spectral overlap with the donor emission of NanoLuc luciferase, enabling efficient BRET. The dye contains an N-hydroxysuccinimide (NHS) ester group and a PEG4 linker, offering enhanced aqueous solubility and molecular flexibility. These features help reduce nonspecific interactions and improve assay performance.


| Description | NanoBRET 590 PEG4 SE is an amine-reactive energy acceptor dye specifically designed for NanoBRET assays, emitting orange-red to red fluorescence. It has an emission maximum at approximately 590 nm (detection range: 590–610 nm) and shows good spectral overlap with the donor emission of NanoLuc luciferase, enabling efficient BRET. The dye contains an N-hydroxysuccinimide (NHS) ester group and a PEG4 linker, offering enhanced aqueous solubility and molecular flexibility. These features help reduce nonspecific interactions and improve assay performance. |
| Molecular Weight | 673.47 |
| Formula | C31H38BF2N5O9 |
| Smiles | O=C(CCOCCOCCOCCOCCNC(CCC1=[N+]2[B-](F)(F)N3C(C4=CC=CN4)=CC=C3C=C2C=C1)=O)ON5C(CCC5=O)=O |
| Storage | Keep away from direct sunlight | Store at -20°C | Shipping with blue ice/Shipping at ambient temperature. |
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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