Main properties

Casper3-BG spectra

Excitation (thin lines) and emission (thick lines) spectra of TagBFP (blue) and TagGFP2 (green) are shown individually. Spectral overlap is filled with gray.

Download Casper3-BG spectra (xls)

CHARACTERISTIC

 

FRET donorTagBFP
    Fluorescence colorblue
    Excitation maximum, nm402
    Emission maximum, nm457
    Brightness, % of EGFP99
    pKa2.7
FRET acceptorTagGFP2
    Fluorescence colorgreen
    Excitation maximum, nm483
    Emission maximum, nm506
    Brightness, % of EGFP105
    pKa5.0
Calculated Förster distance R05.25
FRET efficiency E0.57
Specificitycaspase-3 activity
Responseelimination of FRET
Polypeptide length, aa490
Molecular weight, kDa55