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Comparison List

SuperNova2

a.k.a. SN2

SuperNova2 is a basic (constitutively fluorescent) red fluorescent protein published in 2020, derived from Anthomedusae sp. DC-2005.
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Oligomerization Organism Molecular Weight Cofactor
Monomer Anthomedusae sp. DC-2005 26.6 kDa -

FPbase ID: NRHQ2

Attributes

Ex λ Em λ EC (M-1 cm-1) QY Brightness pKa Maturation (min) Lifetime (ns)
579 610 45          

Photostability

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SuperNova2 Sequence

SuperNova2 was derived from SuperNova Red with the following mutations: M1_E2insGS/S10R

MGSEVGPALFQRDMTFKIFIDGEVNGQKFTIVADGSSKFPHGDFNVHAVCETGKLPMSWKPICHLIQYGEPFFARYPDGISHFAQECFPEGLSIDRTVRFENDGTMTSHHTYELDDTCVVSRITVNCDGFQPDGPIMRDQLVDILPSETHMFPHGPNAVRQTATIGFTTADGGKMMGHFDSKMTFNGSRAIEIPGPHFVTIITKQTRDTSDKRDHVCQREVAYAHSVPRITSAIGSDED

Excerpts

A monomeric red fluorescent protein called SuperNova has been recently developed, however, it demonstrates suboptimal characteristics in most phototoxicity-based applications. Here, we applied directed evolution to this protein and identified SuperNova2, a protein with S10R substitution that results in enhanced brightness, chromophore maturation and phototoxicity in bacterial and mammalian cell cultures.

Gorbachev et al. (2020)

Primary Reference

Genetically Encoded Red Photosensitizers with Enhanced Phototoxicity

Gorbachev Da, Staroverov Db, Lukyanov Ka, Sarkisyan Ks

(2020). International Journal of Molecular Sciences, 21(22) , 8800. doi: 10.3390/ijms21228800. Article   Pubmed

Additional References

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