TFAcKRS

RS/tRNA Usage Publications

Hill, Lindsay K., Joseph A. Frezzo, Priya Katyal, Dung Minh Hoang, Zakia Ben Youss Gironda, Cynthia Xu, Xuan Xie, Erika Delgado-Fukushima, Youssef Z. Wadghiri, and Jin Kim Montclare. (mar) 2019. “Protein-Engineered Nanoscale Micelles For Dynamic 19F Magnetic Resonance And Therapeutic Drug Delivery”. Acs Nano 13: 2969-2985. doi:10.1021/acsnano.8b07481.

RS/tRNA Pair Development Year
2017

ncAA(s) Incorporated

N6-Trifluoroacetyl-L-lysine

ncAA Structure (png, jpg, jpeg)
Image showing the ChemDraw Structure of Nε-TrifluroAcetyl-L-lysine
ncAA Utility
They are used for sites specifically studying post-translational modification acetylation events on particular lysine residues. Also be used as an F19 NMR probe.


RS Organism of Origin
Parent RS
RS Mutations
L266M
L270I
L274A
C313F

tRNA Organism of Origin
Parent tRNA
tRNA Anticodon
CUA
Other tRNA Mutations
N/A
Multiple tRNAs?
N/A

RS/tRNA Availability
It is not Commercially available but can be made by applying the mutation to Mb-PylRS/tRNA.
Used in what cell line?

RS/tRNA Additional Notes
This RS is less efficient at incorporating TFAcK compared to AcKRS2 at 5mM in sfGFP in E.coli, when measuring Fluorescence. Use AcKRS2 for TFAcK incorporation.