Comparison List


a.k.a. td8oxSG

td8oxStayGold is a basic (constitutively fluorescent) green fluorescent protein published in 2023, derived from Cytaeis uchidae.

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Oligomerization Organism Molecular Weight Cofactor
Tandem dimer Cytaeis uchidae 54.2 kDa -

FPbase ID: VKDX5


Ex λ Em λ EC (M-1 cm-1) QY Brightness pKa Maturation (min) Lifetime (ns)
496 506 157,000 0.93 146.01      


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td8oxStayGold Sequence

td8oxStayGold was derived from td5oxStayGold with the following mutations: P173s_P173wdelinsY/A173yR/S173zT/A173aK/V173bL/V173b_G173cinsE



We found that PT can be used as another adaptor for fusion at the StayGold C terminus. By replacing c4 with PT in td5oxStayGold, we generated td8oxStayGold... Both td8oxStayGold and td8ox2StayGold exhibited excellent dispersibility.

Ando et al. (2023)

Primary Reference

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