A genetically encoded cyclobutene probe for labelling of live cells,Chemical Communications

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A genetically encoded cyclobutene probe for labelling of live cells
Chemical Communications ( IF 4.9 ) Pub Date : 2017-09-06 00:00:00 , DOI: 10.1039/c7cc05580c
K. Liu _{1,

2,

3,

4} , B. Enns _{1,

2,

3,

4} , B. Evans _{1,

2,

3,

4} , N. Wang _{1,

2,

3,

4} , X. Shang _{1,

2,

3,

4} , W. Sittiwong _{1,

5,

6,

7} , P. H. Dussault _{1,

2,

3,

4} , J. Guo _{1,

2,

3,

4}

Affiliation

We have identified an aminoacyl-tRNA synthetase/tRNA pair for the efficient and site-specific incorporation of a cyclobutene-containing amino acid into proteins in response to an amber nonsense codon. Fast and fluorescent labeling of purified proteins and intact proteins in live cells was demonstrated using the inverse electron demand Diels–Alder reaction with a tetrazine.

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