Proteomics

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Site-specific incorporation of two noncanonical amino acids in GFP


ABSTRACT: Site-specific incorporation of two noncanonical amino acids for two-color bioorthogonal labeling and chemical-controlled crosslinking of proteins on live mammalian cells

ORGANISM(S): Mus Musculus (mouse)

SUBMITTER: Simon Elsässer 

PROVIDER: PXD019411 | JPOST Repository | Thu Jun 11 00:00:00 BST 2020

REPOSITORIES: jPOST

Dataset's files

Source:
Action DRS
20190218_JEBM_GFP1.raw Raw
20190218_JEBM_GFP2.raw Raw
20190218_JEBM_GFP3.raw Raw
20190218_JEBM_GFP4.raw Raw
20190218_JEBM_GFP5.raw Raw
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Publications

Site-Specific Incorporation of Two ncAAs for Two-Color Bioorthogonal Labeling and Crosslinking of Proteins on Live Mammalian Cells.

Meineke Birthe B   Heimgärtner Johannes J   Eirich Jürgen J   Landreh Michael M   Elsässer Simon J SJ  

Cell reports 20200601 12


The pyrrolysyl-tRNA/pyrrolysyl-tRNA synthetase (PylT/RS) pair from the archaeon Methanosarcina mazei (Mma) is widely used in protein engineering to site-specifically introduce noncanonical amino acids (ncAAs) through nonsense codon suppression. Here, we engineer the PylT/RS pair encoded by Methanogenic archaeon ISO4-G1 (G1) to be orthogonal to Mma PylT/RS and alter the G1 PylRS active site to accept a complementary ncAA spectrum. We combine the resulting mutual orthogonal pairs for site-specific  ...[more]

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