Comparison List


Katushka-9-5 is a basic (constitutively fluorescent) red fluorescent protein published in 2010, derived from Entacmaea quadricolor. It is reported to be a rapidly-maturing dimer.

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Oligomerization Organism Molecular Weight Cofactor
Dimer Entacmaea quadricolor 26.3 kDa -

FPbase ID: JO1K2


Ex λ Em λ EC (M-1 cm-1) QY Brightness pKa Maturation (min) Lifetime (ns)
588 635       27.4  


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Katushka-9-5 Sequence

Katushka-9-5 was derived from Katushka with the following mutations: M1_S2insGED/V3E/T6S/R198K



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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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