Comparison List


mNeptune2.5 is a basic (constitutively fluorescent) red fluorescent protein published in 2014, derived from Entacmaea quadricolor. It is reported to be a rapidly-maturing monomer with moderate acid sensitivity.

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Oligomerization Organism Molecular Weight Cofactor
Monomer Entacmaea quadricolor 27.5 kDa -


Ex λ Em λ EC (M-1 cm-1) QY Brightness pKa Maturation (min) Lifetime (ns)
599 643 95,000 0.24 22.8 5.8 26.0  


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mNeptune2.5 Sequence

mNeptune2.5 was derived from mNeptune2 with the following mutations: M11T/S28H/G41N
amino acid numbers relative to eqFP578. show relative to mNeptune2

GenBank: AHL19969
IPG: 49083569


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Primary Reference

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