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Comparison List

tdTomato

tdTomato is a basic (constitutively fluorescent) orange fluorescent protein published in 2004, derived from Discosoma sp.. It is reported to be a somewhat slowly-maturing tandem dimer with low acid sensitivity.
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Oligomerization Organism Molecular Weight Cofactor
Tandem dimer Discosoma sp. 54.2 kDa -

FPbase ID: PGG5S

Attributes

Ex λ Em λ EC (M-1 cm-1) QY Brightness pKa Maturation (min) Lifetime (ns)
554 581 138,000 0.69 95.22 4.7 60.0  

tdTomato OSER Measurements

% Normal Cells OSER/NE ratio Cell Type Reference
57.6 ± 4.9 (10000 cells) - HeLa Cranfill et al. (2016)

Photostability

t1/2 (s) Power Light Mode In Cell Fusion ˚C Reference
70.0   Shaner et al. (2004)

tdTomato Sequence

tdTomato was derived from dTomato with the following mutations: E6_V7insVIKEFMRFKVRMEGSMNGHEFEIEGEGEGRPYEGTQTAKLKVTKGGPLPFAWDILSPQFMYGSKAYVKHPADIPDYKKLSFPEGFKWERVMNFEDGGLVTVTQDSSLQDGTLIYKVKMRGTNFPPDGPVMQKKTMGWEASTERLYPRDGVLKGEIHQALKLKDGGHYLVEFKTIYMAKKPVQLPGYYYVDTKLDITSHNEDYTIVEQYERSEGRHHLFLGHGTGSTGSGSSGTASSEDNNMA
amino acid numbers relative to DsRed. show relative to dTomato

MVSKGEEVIKEFMRFKVRMEGSMNGHEFEIEGEGEGRPYEGTQTAKLKVTKGGPLPFAWDILSPQFMYGSKAYVKHPADIPDYKKLSFPEGFKWERVMNFEDGGLVTVTQDSSLQDGTLIYKVKMRGTNFPPDGPVMQKKTMGWEASTERLYPRDGVLKGEIHQALKLKDGGHYLVEFKTIYMAKKPVQLPGYYYVDTKLDITSHNEDYTIVEQYERSEGRHHLFLGHGTGSTGSGSSGTASSEDNNMAVIKEFMRFKVRMEGSMNGHEFEIEGEGEGRPYEGTQTAKLKVTKGGPLPFAWDILSPQFMYGSKAYVKHPADIPDYKKLSFPEGFKWERVMNFEDGGLVTVTQDSSLQDGTLIYKVKMRGTNFPPDGPVMQKKTMGWEASTERLYPRDGVLKGEIHQALKLKDGGHYLVEFKTIYMAKKPVQLPGYYYVDTKLDITSHNEDYTIVEQYERSEGRHHLFLYGMDELYK
GenBank: AAV52169
IPG: 3838287

Excerpts

No excerpts have been added for tdTomato
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

External Resources

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