Comparison List


mGrape1 is a basic (constitutively fluorescent) red fluorescent protein published in 2009, derived from Discosoma sp.. It is reported to be a somewhat slowly-maturing monomer with low acid sensitivity.

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Oligomerization Organism Molecular Weight Cofactor
Monomer Discosoma sp. 25.4 kDa -

FPbase ID: AL871


Ex λ Em λ EC (M-1 cm-1) QY Brightness pKa Maturation (min) Lifetime (ns)
595 625 50,000 0.03 1.5 4.5 70.0  


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mGrape1 Sequence

mGrape1 was derived from mRFP1.1 with the following mutations: M150L/V177A/T195L/I197Y



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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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