Modulating the bioluminescence emission of photoproteins by in vivo site-directed incorporation of non-natural amino acids

Laura Rowe, Mark Ensor, Ryan Mehl, Sylvia Daunert

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

The in vivo incorporation of non-natural amino acids into specific sites within proteins has become an extremely powerful tool for bio- and protein chemists in recent years. One avenue that has yet to be explored, however, is whether or not the incorporation of non-natural amino acids can tune the color of light emitted by bioluminescent proteins, whose light emission mechanisms are more complex and less well understood than their fluorescent counterparts. Bioluminescent proteins are becoming increasingly important in a variety of research fields, such as in situ imaging and the study of protein?protein interactions in vivo, and an increased spectral variety of bioluminescent reporters is needed for further progress. Thus, herein we report the first successful spectral shifting (44 nm) of a bioluminescent protein, aequorin, via the site-specific incorporation of several non-natural amino acids into an integral amino acid position within the aequorin structure in vivo.

Original languageEnglish
Pages (from-to)455-460
Number of pages6
JournalACS Chemical Biology
Volume5
Issue number5
DOIs
StatePublished - May 21 2010
Externally publishedYes

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Luminescent Proteins
Bioluminescence
Aequorin
Amino Acids
Proteins
Light
Light emission
Color
Imaging techniques
Research

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Medicine

Cite this

Modulating the bioluminescence emission of photoproteins by in vivo site-directed incorporation of non-natural amino acids. / Rowe, Laura; Ensor, Mark; Mehl, Ryan; Daunert, Sylvia.

In: ACS Chemical Biology, Vol. 5, No. 5, 21.05.2010, p. 455-460.

Research output: Contribution to journalArticle

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