Comparison List


FR-1 is a basic (constitutively fluorescent) red fluorescent protein published in 2018, derived from Entacmaea quadricolor.

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Oligomerization Organism Molecular Weight Cofactor
Monomer Entacmaea quadricolor 25.6 kDa -

FPbase ID: 39D4R


Ex λ Em λ EC (M-1 cm-1) QY Brightness pKa Maturation (min) Lifetime (ns)
569 594 84,900 0.34 28.87     2.3


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FR-1 Sequence

FR-1 was derived from FusionRed with the following mutations: V19I/L51P/L170M
amino acid numbers relative to eqFP578. show relative to FusionRed



No excerpts have been added for FR-1
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

Change history

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