Comparison List


a.k.a. H9-40

Sapphire is a basic (constitutively fluorescent) long stokes shift fluorescent protein published in 1998, derived from Aequorea victoria. It has low acid sensitivity.
Aggregation Organism Molecular Weight Cofactor
Monomer Aequorea victoria 26.8 kDa -


Ex λ Em λ EC (M-1 cm-1) QY Brightness pKa Maturation (min) Lifetime (ns)
399 511 29,000 0.64 18.56 4.9    


no photostability measurements available ... add one!

Sapphire Sequence

Sapphire was derived from avGFP with the following mutations: S72A/Y145F/T203I/H231L



No excerpts have been added for Sapphire
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

Additional References

External Resources

Something missing or incorrect? Submit a change Submit a change