N6-Trifluoroacetyl-L-lysine

ncAA Structure (png, jpg, jpeg)
Image showing the ChemDraw Structure of Nε-TrifluroAcetyl-L-lysine

ncAA Foundational Publication Support

Zhang, F., Q. Zhou, G. Yang, L. An, F. Li, and J. Wang. n.d. “A Genetically Encoded 19F Nmr Probe For Lysine Acetylation” 54: 3879+.

ncAA 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.

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.
ncAA Source
Exogenous - Purchased
ncAA Availability
Can be purchased from https://www.sigmaaldrich.com/US/en/product/sigma/53604

RS/tRNA Pair Usage Information
AcKRS2 has better incorporation efficiency of TFAcK at 5mM in sfGFP in E.coli compared to TFAcKRS. USE AcKRS2 for TFAcK incorporation.

RS/tRNA Pair(s)


ncAA Synonyms
H-Lys(Tfa)-OH
N6-Trifluoroacetyl-L-lysine
N-6-Trifluoroacetyl-L-lysine
N6-(Trifluoroacetyl)-L-lysine
Nepsilon-Trifluoroacetyl-L-lysine
N6-Trifluoroaccety-L-lysine
N(6)-trifluoroacetyl-L-lysine
(2S)-2-amino-6-[(2,2,2-trifluoroacetyl)amino]hexanoic acid
L-Lysine, N6-(2,2,2-trifluoroacetyl)-
L-Lysine, N6-(trifluoroacetyl)-
(S)-2-Amino-6-(2,2,2-trifluoroacetamido)hexanoic acid
CHEBI:61064
N(6)-(trifluoroacetyl)-L-lysine
TfAcK
n-epsilon-trifluoroacetyl-l-lysine
epsilon-TFA-lysine
N6-(2,2,2-Trifluoroacetyl)-L-lysine; N6-(Trifluoroacetyl)lysine; Nepsilon-Trifluoroacetyl-L-lysine; N?-(Trifluoroacetyl)-L-lysine;
Lysine, N6-(trifluoroacetyl)-, L-
trifluoroacetyl lysine
ChEBI ID
61064

ncAA Additional Notes
Unstable, over time degrades in the Trifluoroacetic acid.