Comparison List


iFP1.4 is a basic (constitutively fluorescent) near ir fluorescent protein published in 2009, derived from Deinococcus radiodurans. It has low acid sensitivity. It requires the cofactor biliverdin for fluorescence.
Oligomerization Organism Molecular Weight Cofactor
Monomer Deinococcus radiodurans 35.6 kDa Biliverdin


Ex λ Em λ EC (M-1 cm-1) QY Brightness pKa Maturation (min) Lifetime (ns)
684 708 92,000 0.07 6.44 4.6 114.0  


t1/2 (s) Power Light Mode In Cell Fusion ˚C Reference
50.0 Shu et al. (2009)

iFP1.4 Sequence



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Excerpts are snippets from publications that capture key information about this protein that does not easily fit into one of the existing fields (such as a summary, motivation, or observation).

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