Product Description: FlAsH-EDT2 is a protein labeling reagent. FlAsH-EDT2 also is a membrane-permeant fluorogenic biarsenicals. FlAsH-EDT2 binds to CCXXCC motifs and non-specifically to endogenous cysteine-rich proteins. FlAsH-EDT2 can be useful only for labeling those recombinant proteins that express at a very high level[1][2].
Formula: C24H18As2O5S4
References: [1]Stroffekova K, et al. The protein-labeling reagent FLASH-EDT2 binds not only to CCXXCC motifs but also non-specifically to endogenous cysteine-rich proteins. Pflugers Arch. 2001 Sep;442(6):859-66./[2]Adams SR, et al. Preparation of the membrane-permeant biarsenicals FlAsH-EDT2 and ReAsH-EDT2 for fluorescent labeling of tetracysteine-tagged proteins. Nat Protoc. 2008;3(9):1527-34.