a.k.a. mEos4b-T59Q-L93M
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| Oligomerization | Organism | Molecular Weight | Cofactor |
|---|---|---|---|
| Monomer | Lobophyllia hemprichii | 25.9 kDa | - |
| State | Ex λ | Em λ | EC (M-1 cm-1) | QY | Brightness | pKa | Maturation (min) | Lifetime (ns) |
|---|---|---|---|---|---|---|---|---|
| Green | 499 | 513 | 78,020 | 0.82 | 63.98 | 4.9 | 27.0 | |
| Red | 565 | 580 | 43,290 | 0.54 | 23.38 | 5.4 |
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mEos4Fast2 was derived from mEos4b-L93M with the following mutations: T59Q
amino acid numbers relative to EosFP. show relative to mEos4b-L93M
In contrast, the T59Q mutation significantly improved the apparent maturation time, particularly in the variant mEos4b-T59Q-L93M, which we renamed mEos4Fast2. This protein outperforms any other tested mEos variants and challenges the very fast-maturing mEosEM and pcStar.
Maity et al. (2025)
(2025). Protein Science, 34(8) , e70234. doi: 10.1002/pro.70234. Article Pubmed
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