Comparison List


PSmOrange2 is a photoconvertible orange fluorescent protein published in 2012, derived from Discosoma sp.. It has high acid sensitivity.

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Oligomerization Organism Molecular Weight Cofactor
Monomer Discosoma sp. 26.7 kDa -

FPbase ID: U76BO


State Ex λ Em λ EC (M-1 cm-1) QY Brightness pKa Maturation (min) Lifetime (ns)
Orange 546 561 51,000 0.61 31.11 6.6 210.0  
Far-red 619 651 18,900 0.38 7.18 5.4    


From To Switch λ
Orange Far-red 489


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PSmOrange2 Sequence

PSmOrange2 was derived from PSmOrange with the following mutations: R17H/R36H/F65I/Q188L/A217S/G219A
amino acid numbers relative to DsRed. show relative to PSmOrange

GenBank: AFK91500


Deposited: ,


No excerpts have been added for PSmOrange2
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

A FRET-Facilitated Photoswitching Using an Orange Fluorescent Protein with the Fast Photoconversion Kinetics

Subach Om, Entenberg D, Condeelis Js, Verkhusha Vv

(2012). Journal of the American Chemical Society, 134(36) , 14789-14799. doi: 10.1021/ja3034137. Article   Pubmed

Additional References

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External Resources

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