Dear all, happy summer!

I searched in many ways but could not find relevant references easily
so I'm hoping you could help.

For TSA assays on a Cys-containing protein (drug target) that has just gone
through a covalent adduction reaction with a compound carrying a Michael
acceptor covalent warhead, we would like to stop the further progression of
the covalent adduction before subjecting the reaction mixture to TSA
analysis. It is my understanding that people usually use DTT to deplete the
excess covalent compound - do you happen to come across such a scientific
reference?

Thank you so much in advance, -yong

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