henylazo)benzoic acid (HAZA) scaffold, the orthogonally protected difunctional azo–arene cleavablelinker 26 was designed and synthesized. Selective linker deprotection and derivatization was performed by introducing an alkyne reactive group and a biotin affinity tag. This optimized azo–arene cleavablelinker led to a total cleavage in less than 10 s with only 1 mM dithionite. Similar results were
Bioorthogonal Approach to Identify Unsuspected Drug Targets in Live Cells
作者:Katherine S. Yang、Ghyslain Budin、Carlos Tassa、Olivier Kister、Ralph Weissleder
DOI:10.1002/anie.201304096
日期:2013.9.27
A proteomics method to pull down secondary drugtargets from livecells is described. The drug of interest is modified with trans‐cyclooctene (TCO) and incubated with livecells. Upon cell lysis, the modified drug bound to the protein is pulled down using magnetic beads decorated with a cleavable tetrazine‐modified linker. Samples are then run on an SDS‐PAGE gel and isolated bands are submitted for