Second-Generation Covalent TMP-Tag for Live Cell Imaging
作者:Zhixing Chen、Chaoran Jing、Sarah S. Gallagher、Michael P. Sheetz、Virginia W. Cornish
DOI:10.1021/ja303374p
日期:2012.8.22
labeling kinetics and limited live cell proteinlabeling. Thus, here we report a second-generation covalent TMP-tag that has a fastlabeling half-life and can readily label a variety of intracellular proteins in living cells. Specifically, we designed an acrylamide-trimethoprim-fluorophore (A-TMP-fluorophore v2.0) electrophile with an optimized linker for fast reaction with a cysteine (Cys) nucleophile