TagFP635


Far-red fluorescent protein TagFP635

- Bright far-red fluorescence
- Monomer with successful performance in fusions
- High photostability
- Fluorescent signal is easily distinguished from background fluorescence
- Recommended for protein labeling

Main properties

TagFP635 spectra

TagFP635 normalized excitation (thin line) and emission (thick line) spectra.

Download TagFP635 spectra (xls)

CHARACTERISTIC
*Brightness is a product of extinction coefficient and quantum yield, divided by 1000.
Molecular weight, kDa27
Polypeptide length, aa237
Fluorescence colorfar-red
Excitation maximum, nm635
Emission maximum, nm588
Quantum yield0.33
Extinction coefficient, M-1cm-145000
Brightness*14.9
Brightness, % of EGFP45
pKa6.0
Structuremonomer
Aggregationno
Maturation rate at 37°Cfast
Photostabilityhigh
Main advantagesmonomeric far-red fluorescent protein, high photostability

Gel-filtration of TurboGFP (dimer, green line), EGFP (monomer, blue line), and TagFP635 (monomer, red line).

Image from Shcherbo et al., 2007.

References:

  • Shcherbo D, Merzlyak EM, Chepurnykh TV, Fradkov AF, Ermakova GV, Solovieva EA, Lukyanov KA, Bogdanova EA, Zaraisky AG, Lukyanov S, Chudakov DM. Bright far-red fluorescent protein for whole-body imaging. Nat Methods. 2007; 4 (9):741-6. / pmid: 17721542
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