Development of an isotope-coded activity-based probe for the quantitative profiling of cysteine proteases.
van Swieten PF., Maehr R., van den Nieuwendijk AMCH., Kessler BM., Reich M., Wong C-S., Kalbacher H., Leeuwenburgh MA., Driessen C., van der Marel GA., Ploegh HL., Overkleeft HS.
Quantification studies of complex protein mixtures have been restricted mainly to whole cell extracts. Here we describe the synthesis of two sets of isotope-coded activity-based probes that allow quantitative functional proteomics experiments on the cathepsins.