Comparison List


E2-Red/Green is a basic (constitutively fluorescent) red fluorescent protein published in 2009, derived from Discosoma sp.. It is reported to be a somewhat slowly-maturing protein with low acid sensitivity.

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Oligomerization Organism Molecular Weight Cofactor
? Discosoma sp. 25.8 kDa -

FPbase ID: VB2NB


Ex λ Em λ EC (M-1 cm-1) QY Brightness pKa Maturation (min) Lifetime (ns)
560 585 53,800 0.67 36.05 4.5 72.0  


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E2-Red/Green Sequence

E2-Red/Green was derived from DsRed-Express2 with the following mutations: Q42H/A44V/A217T/A219G

GenBank: FJ498892


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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).

Primary Reference

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External Resources

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