Comparison List


similar: mCerulean

Cerulean is a basic (constitutively fluorescent) cyan fluorescent protein published in 2004, derived from Aequorea victoria. It has low acid sensitivity.
Oligomerization Organism Molecular Weight Cofactor
Weak dimer Aequorea victoria 26.8 kDa -


Ex λ Em λ EC (M-1 cm-1) QY Brightness pKa Maturation (min) Lifetime (ns)
433 475 43,000 0.62 26.66 4.7   3.3

Cerulean OSER Measurements

% Normal Cells OSER/NE ratio Cell Type Reference
78.3 ± 4.8 (10000 cells) - HeLa Cranfill et al. (2016)


t1/2 (s) Power Light Mode In Cell Fusion ˚C Reference
36.0 Lelimousin et al. (2009)

Cerulean Sequence

Cerulean was derived from ECFP with the following mutations: S72A/Y145A/H148D
amino acid numbers relative to avGFP. show relative to ECFP



Deposited: ,


No excerpts have been added for Cerulean
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

An improved cyan fluorescent protein variant useful for FRET

Rizzo Ma, Springer Gh, Granada B, Piston Dw

(2004). Nature Biotechnology, 22(4) , 445-449. doi: 10.1038/nbt945. Article   Pubmed

Additional References

External Resources

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