Comparison List


sg50 is a basic (constitutively fluorescent) blue fluorescent protein published in 1997, derived from Aequorea victoria.

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Aggregation Organism Molecular Weight Cofactor
? Aequorea victoria 26.9 kDa -


Ex λ Em λ EC (M-1 cm-1) QY Brightness pKa Maturation (min) Lifetime (ns)
384 450 16,500 0.25 4.12      


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sg50 Sequence

sg50 was derived from Q80R with the following mutations: M1_S2insA/F64L/Y66H/V163A



Deposited: ,
Chromophore (SHG):


No excerpts have been added for sg50
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

The structural basis for spectral variations in green fluorescent protein

Palm Gj, Zdanov A, Gaitanaris Ga, Stauber R, Pavlakis Gn, Wlodawer A

(1997). Nature Structural & Molecular Biology, 4(5) , 361-365. doi: 10.1038/nsb0597-361. Article

Additional References

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External Resources

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