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    JRed

Red fluorescent protein JRed

- True-red fluorescence
- Proven suitability to create stably transfected cell lines

Main properties

JRed spectra

JRed normalized excitation (thin line) and emission (thick line) spectra.

Download JRed spectra (xls)

CHARACTERISTIC
* Brightness is a product of extinction coefficient and quantum yield, divided by 1000.
Molecular weight, kDa27
Polypeptide length, aa242
Fluorescence colortrue-red
Excitation maximum, nm584
Emission maximum, nm610
Quantum yield0.20
Extinction coefficient, M-1cm-144 000
Brightness*8.8
Brightness, % of EGFP26
pKa5.0
Structureweak dimer
Aggregationno
Maturation rate at 37°Cslow
Photostabilitymedium
Cell toxicityat certain excitation wavelengths
Main advantagestrue-red fluorescent protein with good compatibility with popular filter sets
Possible limitationsdimer, limited applicability for fusions generation; unsuitable for expression in procaryotes
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