Comparison List


mOrange is a basic (constitutively fluorescent) orange fluorescent protein published in 2004, derived from Discosoma sp.. It has high acid sensitivity.
Oligomerization Organism Molecular Weight Cofactor
Monomer Discosoma sp. 26.7 kDa -

FPbase ID: G6HDH


Ex λ Em λ EC (M-1 cm-1) QY Brightness pKa Maturation (min) Lifetime (ns)
548 562 71,000 0.69 48.99 6.5 150.0  

mOrange OSER Measurements

% Normal Cells OSER/NE ratio Cell Type Reference
91.4 ± 1.7 (10000 cells) - HeLa Cranfill et al. (2016)


t1/2 (s) Power Light Mode In Cell Fusion ˚C Reference
6.4   Shu et al. (2006)

mOrange Sequence

mOrange was derived from mOFP.T.8 with the following mutations: T41F/L83F/D174T/A175S/K194I/D196G
amino acid numbers relative to DsRed. show relative to mOFP.T.8

GenBank: AAV52165
IPG: 3838262


Deposited: ,
Chromophore (TYG):


No excerpts have been added for mOrange
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

  1. Two-photon absorption properties of fluorescent proteins

    Drobizhev M, Makarov Ns, Tillo Se, Hughes Te, Rebane A

    (2011). Nature Methods, 8(5) , 393-399. doi: 10.1038/nmeth.1596. Article   Pubmed

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