Comparison List


E2-Orange is a basic (constitutively fluorescent) orange fluorescent protein published in 2009, derived from Discosoma sp.. It is reported to be a somewhat slowly-maturing tetramer with low acid sensitivity.
Oligomerization Organism Molecular Weight Cofactor
Tetramer Discosoma sp. 25.7 kDa -

FPbase ID: A3B6M


Ex λ Em λ EC (M-1 cm-1) QY Brightness pKa Maturation (min) Lifetime (ns)
540 561 36,500 0.54 19.71 4.5 78.0  


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

E2-Orange Sequence

E2-Orange was derived from DsRed-Express2 with the following mutations: Q66T/V71A/S179T

GenBank: FJ498891


No excerpts have been added for E2-Orange
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).

Primary Reference

Additional References

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External Resources

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