TCORS

RS/tRNA Foundational Publication Support

Lang, Kathrin, Lloyd Davis, Stephen Wallace, Mohan Mahesh, Daniel J Cox, Melissa L Blackman, Joseph M Fox, and Jason W Chin. (2012) 2012. “Genetic Encoding Of Bicyclononynes And Trans-Cyclooctenes For Site-Specific Protein Labeling In Vitro And In Live Mammalian Cells Via Rapid Fluorogenic Diels-Alder Reactions.”. Journal Of The American Chemical Society 134 (25): 10317-20. doi:10.1021/ja302832g.

RS/tRNA Pair Development Year
2012

ncAA(s) Incorporated

4'-TCOK (TCO)

ncAA Structure (png, jpg, jpeg)
4'TCO-lysine
ncAA Utility
Reactive handle for IEDDA.

Boc-LysOH

ncAA Structure (png, jpg, jpeg)
Boc-LysOH
ncAA Utility
Hydroxy acid to introduce ester linkages into protein backbone


RS Organism of Origin
Parent RS
RS Mutations
Y271A
L274M
C313A

tRNA Organism of Origin
Parent tRNA
tRNA Anticodon
CUA

RS/tRNA Availability
n/a
Used in what cell line?

RS/tRNA Additional Notes
TCO-lysine incorporated into position 150 of sfGFP at 6-12 mg/L culture and confirmed by ESI-MS. Also efficiently incorporated TCO-lysine into EGFR and Jun constructs in HEK293 cells and they underwent reaction with tetrazines.